1988498889 is an odd 10-digits composite number following 1988498888
and preceding 1988498890 . In scientific notation, it is written as 1.988498889 × 10^9.
The sum of its digits is 72. It has a total of 4 prime factors and 16 positive divisors.
There are 1172169792 positive integers (up to 1988498889) that are relatively prime to 1988498889.
1988498889 has 16 divisors, whose sum is 2253504000
The reverse of 1988498889 is 9888948891
Previous prime number is 10669
Is Prime? no Number parity odd Number length 10 Sum of Digits 72 Digital Root 9
Name
one billion nine hundred eighty-eight million four hundred ninety-eight thousand eight hundred eighty-nine
Scientific notation
1.988498889 × 10^9
Engineering notation
1.988498889 × 10^9
Prime Factorization
351 × 9 × 10669 × 59
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1988498889 Product of the distinct prime numbers
The prime factorization of 1988498889 is 351 × 9 × 10669 × 59.
Since it has a total of 4 prime factors.
8 , 2 , 64 , 100 , 722 , 816 , 5991 , 3142 , 37890 , 69687 , 886494 , 289916 , 4891113 , 606648 , 94021674 , 60730157 , 349410484 , 711235164 , 4508946207 , 4799823045
n×2
3976997778
n×3
5965496667
n×4
7953995556
n×5
9942494445
n÷2
994249444.5
n÷3
662832963
n÷3
497124722.25
n÷5
397699777.8
n2
3954127831554234321
n3
7.8627788000096E+27
n4
1.5635126908272E+37
n5
3.1090432486472E+46
2 √n44592.587825781
3 √n1257.5013237196
4 √n211.16957125917
5 √n72.394416248635
1 , 9 , 59 , 351 , 531 , 3159 , 10669 , 20709 , 96021 , 186381 , 629471 , 3744819 , 5665239 , 33703371 , 220944321 , 1988498889
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1988498888 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
1 Returns the nth root of the product of n divisors
H Harmonic Mean
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1988498889 can be divided by 16 positive divisors.
The sum of these divisors (counting 1988498889) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110100001100001010111001001
3
Ternary
12010120201012200000
4
Quaternary
1312201201113021
5
Quinary
13033023431024
6
Senary
525152233213
8
Octal
16641412711
10
Decimal
1988498889
12
Duodecimal
475b3b809
16
Hexadecimal
768615c9
20
Vigesimal
1b182749
36
Base36
wvwfk9
md5
8818a92b95a4ac72a228fc3bb781ab53
sha1
d08809c789508a548ea398585b253d8c8ad2d826
sha256
e2545794dca482d018ccf7820a6858ba0c3f34ba937cb9b3f16fb3a6d497509b
sha512
d127b1dcf737841ba4c82c1dba611397b4cb289f45507a605a35d74f99c3229e4c44da98646768ea303b0bc753b1a4695a79122dde25f332c0bd9e9de38cd950
ripemd-160
a7ba519d227a01c5e930d41689d64d2954e32ed8
Diameter
3976997778
Circumference
12494107002.708
Area
1.2422258946966E+19
Volume
3.2935530819882E+28
Surface area
4.9689035787863E+19
Circumference
12494107002.708
Perimeter
7953995556
Area
3954127831554234321
Diagonal
2812162097.5876
Surface area
2.3724766989325E+19
Volume
7.8627788000096E+27
Space diagonal
3444181106.5423
Perimeter
5965496667
Area
1.7121875759685E+18
Altitude
1722090553.2711
Surface area
1.7121875759685E+18
Volume
9.266373680761E+26
Height
937387365.86254