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99000

99000, written ninety-nine thousand, is a natural number. It is a five-digit integer and equals the product 99 × 1000, illustrating its composition from round factors.

Mathematical properties: It is an even number and is divisible by 9 (the sum of its digits

Representations and usage: In scientific notation, 99000 equals 9.9 × 10^4. In time units, 99000 seconds is

is
18),
as
well
as
by
11
and
by
5.
Its
prime
factorization
is
2^3
×
3^2
×
5^3
×
11.
From
this
factorization,
the
number
of
positive
divisors
is
(3+1)(2+1)(3+1)(1+1)
=
96.
The
number
has
a
wide
set
of
divisors,
including
2,
3,
5,
6,
9,
10,
and
11,
among
others.
27.5
hours,
or
about
1.15
days.
As
a
rounded
figure,
99,000
is
frequently
used
in
budgeting,
statistics,
or
population
estimates
when
an
exact
total
is
not
required,
reflecting
its
role
as
a
convenient
large
round
number
in
everyday
arithmetic
and
estimation.