156912990 is an even 9-digits composite number following 156912989
and preceding 156912991 . In scientific notation, it is written as 1.56912990 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 38624640 positive integers (up to 156912990) that are relatively prime to 156912990.
156912990 has 32 divisors, whose sum is 405560736
The reverse of 156912990 is 099219651
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-six million nine hundred twelve thousand nine hundred ninety
Scientific notation
1.56912990 × 10^8
Engineering notation
1.56912990 × 10^6
Prime Factorization
2 × 5 × 3 × 13 × 402341
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
156912990
Product of the distinct prime numbers
The prime factorization of 156912990 is 2 × 5 × 3 × 13 × 402341.
Since it has a total of 5 prime factors.
6 , 6 , 9 , 100 , 822 , 626 , 8800 , 4103 , 22903 , 22334 , 249324 , 404361 , 3839505 , 3419595 , 84388068 , 98765014 , 561485788 , 139169066 , 341615832 , 2857289873
n×2
313825980
n×3
470738970
n×4
627651960
n×5
784564950
n÷2
78456495
n÷3
52304330
n÷3
39228247.5
n÷5
31382598
n2
24621686430740100
n3
3.8634624366899E+24
n4
6.0622744269369E+32
n5
9.5124960653121E+40
2 √n
12526.491527958
3 √n
539.36939418792
4 √n
111.92180988511
5 √n
43.564404274019
1 , 2 , 3 , 5 , 6 , 10 , 13 , 15 , 26 , 30 , 39 , 65 , 78 , 130 , 195 , 390 , 402341 , 804682 , 1207023 , 2011705 , 2414046 , 4023410 , 5230433 , 6035115 , 10460866 , 12070230 , 15691299 , 26152165 , 31382598 , 52304330 , 78456495 , 156912990
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156912989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156912990 can be divided by 32 positive divisors.
The sum of these divisors (counting 156912990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001010110100100110101011110
3
Ternary
101221021000011020
4
Quaternary
21112210311132
5
Quinary
310132203430
6
Senary
23323105010
8
Octal
1126446536
10
Decimal
156912990
12
Duodecimal
44672166
16
Hexadecimal
95a4d5e
20
Vigesimal
290e29a
36
Base36
2lf6u6
md5
55d4c136fab9a12a4983139944db3bbf
sha1
a7b98d1bf1534b6fe6714bfb7c811c4d24793fb3
sha256
67414fbe7e263fb4e9d03c1d38749fcd2fcdb2f2bea0f44b18fd10dcd13b992f
sha512
67942accfaee0de6f2da50f58191294f4fe5a40303676f6b7bb86e01131c43086e4f4f877c9c08588fa9dff4e0b66f32e54e11376a36ab04ef9768edef828ade
ripemd-160
44a25d2c905099cab015d3cc3d6133406673b7e6
Diameter
313825980
Circumference
985913393.27362
Area
7.7351309209805E+16
Volume
1.6183233611367E+25
Surface area
3.0940523683922E+17
Circumference
985913393.27362
Perimeter
627651960
Area
24621686430740100
Diagonal
221908478.57051
Surface area
147730118584440600
Volume
3.8634624366899E+24
Space diagonal
271781271.04755
Perimeter
470738970
Area
1.0661502966518E+16
Altitude
135890635.52377
Surface area
1.0661502966518E+16
Volume
4.5531341464048E+23
Height
73969492.856838