156955921 is an odd 9-digits prime number following 156955920
and preceding 156955922 . In scientific notation, it is written as 1.56955921 × 10^8.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 156955920 positive integers (up to 156955921) that are relatively prime to 156955921.
156955921 has 2 divisors, whose sum is 156955922
The reverse of 156955921 is 129559651
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred fifty-six million nine hundred fifty-five thousand nine hundred twenty-one
Scientific notation
1.56955921 × 10^8
Engineering notation
1.56955921 × 10^6
Prime Factorization
156955921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
156955921
Product of the distinct prime numbers
The prime factorization of 156955921 is 156955921.
Since it has a total of 1 prime factors.
6 , 6 , 6 , 51 , 407 , 737 , 1756 , 1589 , 81858 , 50268 , 563005 , 277634 , 5009236 , 9834696 , 71314561 , 398142 , 39828286 , 536635702 , 3350062701 , 1341534461
n×2
313911842
n×3
470867763
n×4
627823684
n×5
784779605
n÷2
78477960.5
n÷3
52318640.333333
n÷3
39238980.25
n÷5
31391184.2
n2
24635161136958241
n3
3.8666344052347E+24
n4
6.068911642439E+32
n5
9.5255161630663E+40
2 √n
12528.205019076
3 √n
539.41857973974
4 √n
111.92946448132
5 √n
43.566787835499
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
156955922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
78477961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12528.205058986
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999872576
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156955921 can be divided by 2 positive divisors.
The sum of these divisors (counting 156955921) is 156955922, the average is 78477961.
Base
System
Value
2
Binary
1001010110101111010100010001
3
Ternary
101221100012001021
4
Quaternary
21112233110101
5
Quinary
310140042141
6
Senary
23324035441
8
Octal
1126572421
10
Decimal
156955921
12
Duodecimal
44692b81
16
Hexadecimal
95af511
20
Vigesimal
290j9g1
36
Base36
2lg3yp
md5
648d6eb8b2c47a88720727d1abbf79c8
sha1
2d57e083eed1f1dd94d493c7a43f852a2e5ad469
sha256
1a9da95b5abc2292f0ab8de2a6d717be786d59f413d03a14fad2fac08eb4d7a5
sha512
b9808fa181fa7045a84213ab74705792b9dbcf9e20b10fc5f55edc7327f7381a4a56b975eb39f03330bfc0bfb074cfe2098cb0a4584558c526fcc2c92b37e416
ripemd-160
c080378cc4255de00d6694975ef35721456441cd
Diameter
313911842
Circumference
986183136.70204
Area
7.7393641247869E+16
Volume
1.6196520322137E+25
Surface area
3.0957456499148E+17
Circumference
986183136.70204
Perimeter
627823684
Area
24635161136958241
Diagonal
221969192.17296
Surface area
147810966821749446
Volume
3.8666344052347E+24
Space diagonal
271855629.72077
Perimeter
470867763
Area
1.0667337685464E+16
Altitude
135927814.86038
Surface area
1.0667337685464E+16
Volume
4.5568723471844E+23
Height
73989730.72432