156939990 is an even 9-digits composite number following 156939989
and preceding 156939991 . In scientific notation, it is written as 1.56939990 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 41689440 positive integers (up to 156939990) that are relatively prime to 156939990.
156939990 has 32 divisors, whose sum is 378107136
The reverse of 156939990 is 099939651
Previous prime number is 263
Is Prime? no Number parity even Number length 9 Sum of Digits 51 Digital Root 6
Name
one hundred fifty-six million nine hundred thirty-nine thousand nine hundred ninety
Scientific notation
1.56939990 × 10^8
Engineering notation
1.56939990 × 10^6
Prime Factorization
2 × 5 × 3 × 263 × 19891
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
156939990 Product of the distinct prime numbers
The prime factorization of 156939990 is 2 × 5 × 3 × 263 × 19891.
Since it has a total of 5 prime factors.
3 , 1 , 83 , 56 , 488 , 906 , 3513 , 7659 , 63299 , 28064 , 176817 , 421885 , 3059190 , 2837775 , 44563138 , 32595760 , 872675105 , 157215058 , 5487552223 , 2938174033
n×2
313879980
n×3
470819970
n×4
627759960
n×5
784699950
n÷2
78469995
n÷3
52313330
n÷3
39234997.5
n÷5
31387998
n2
24630160461200100
n3
3.8654571364791E+24
n4
6.0664480434446E+32
n5
9.5206829527372E+40
2 √n12527.569197574
3 √n539.40032882339
4 √n111.92662416768
5 √n43.565903395239
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 263 , 526 , 789 , 1315 , 1578 , 2630 , 3945 , 7890 , 19891 , 39782 , 59673 , 99455 , 119346 , 198910 , 298365 , 596730 , 5231333 , 10462666 , 15693999 , 26156665 , 31387998 , 52313330 , 78469995 , 156939990
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
-156939989 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 156939990 can be divided by 32 positive divisors.
The sum of these divisors (counting 156939990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001010110101011011011010110
3
Ternary
101221022101012020
4
Quaternary
21112223123112
5
Quinary
310134034430
6
Senary
23323434010
8
Octal
1126533326
10
Decimal
156939990
12
Duodecimal
44685906
16
Hexadecimal
95ab6d6
20
Vigesimal
290h9ja
36
Base36
2lfro6
md5
9625db4d5e57bdfa95e31e67e250db4d
sha1
ba5be01005df1939a75c067445aa52388353c508
sha256
7bf6c4f5928533852a7fbf92d1c4c58425a7e90bce5ed1c1b6f6eb645868d834
sha512
3cfb17b2505551be2d64f2bfa76358ff28246dc1de07b5275e8805cda79762305f9d78ad2d383605134d476dd3346f347c19b98a3af1ff50b394bb325412c882
ripemd-160
76abe32dc81db98ca23e0bce4ff02a49c37f765a
Diameter
313879980
Circumference
986083039.27691
Area
7.7377931161644E+16
Volume
1.6191588990305E+25
Surface area
3.0951172464658E+17
Circumference
986083039.27691
Perimeter
627759960
Area
24630160461200100
Diagonal
221946662.3367
Surface area
147780962767200600
Volume
3.8654571364791E+24
Space diagonal
271828036.41935
Perimeter
470819970
Area
1.0665172329343E+16
Altitude
135914018.20968
Surface area
1.0665172329343E+16
Volume
4.5554849226506E+23
Height
73982220.778899