157031431 is an odd 9-digits composite number following 157031430
and preceding 157031432 . In scientific notation, it is written as 1.57031431 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 146357760 positive integers (up to 157031431) that are relatively prime to 157031431.
157031431 has 8 divisors, whose sum is 167884704
The reverse of 157031431 is 134130751
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred fifty-seven million thirty-one thousand four hundred thirty-one
Scientific notation
1.57031431 × 10^8
Engineering notation
1.57031431 × 10^6
Prime Factorization
17 × 103 × 89681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157031431
Product of the distinct prime numbers
The prime factorization of 157031431 is 17 × 103 × 89681.
Since it has a total of 3 prime factors.
7 , 1 , 47 , 40 , 4 , 572 , 5416 , 6151 , 94288 , 69445 , 252218 , 489753 , 322643 , 7165910 , 29724747 , 45614703 , 653586065 , 934330145 , 7852641528 , 6149673550
n×2
314062862
n×3
471094293
n×4
628125724
n×5
785157155
n÷2
78515715.5
n÷3
52343810.333333
n÷3
39257857.75
n÷5
31406286.2
n2
24658870321907761
n3
3.8722176934926E+24
n4
6.0805988555266E+32
n5
9.5484513962031E+40
2 √n
12531.218256818
3 √n
539.50506892005
4 √n
111.94292410339
5 √n
43.570978942465
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157031430
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157031431 can be divided by 8 positive divisors.
The sum of these divisors (counting 157031431) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111000001110000000111
3
Ternary
101221111000121221
4
Quaternary
21113001300013
5
Quinary
310200001211
6
Senary
23325421211
8
Octal
1127016007
10
Decimal
157031431
12
Duodecimal
4470a807
16
Hexadecimal
95c1c07
20
Vigesimal
2918ibb
36
Base36
2lhq87
md5
2092f8e62fbbe1881d9ff6c3cca8faa9
sha1
75b270a0e1b9261b5786ca4a1c7a26763fb70457
sha256
fb9afd627dffe908a9cd47a560838139e0987a9818ab154ffa00085ce99422ae
sha512
064224346937143722ad6f7a47e10f7e0abd7aae6026e2fd8c1c15e92d7122d8e0809098a54a139015566386492e7e2a7df25858a27c047dabb073503d0c526a
ripemd-160
a8bb69d485fe840c416d311396913fcf43b8fa0d
Diameter
314062862
Circumference
986657580.02459
Area
7.7468125849129E+16
Volume
1.6219907545302E+25
Surface area
3.0987250339652E+17
Circumference
986657580.02459
Perimeter
628125724
Area
24658870321907761
Diagonal
222075979.43905
Surface area
147953221931446566
Volume
3.8722176934926E+24
Space diagonal
271986416.87725
Perimeter
471094293
Area
1.0677604063699E+16
Altitude
135993208.43862
Surface area
1.0677604063699E+16
Volume
4.5634523154986E+23
Height
74025326.479685