157031381 is an odd 9-digits composite number following 157031380
and preceding 157031382 . In scientific notation, it is written as 1.57031381 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 141680448 positive integers (up to 157031381) that are relatively prime to 157031381.
157031381 has 16 divisors, whose sum is 172972800
The reverse of 157031381 is 183130751
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred fifty-seven million thirty-one thousand three hundred eighty-one
Scientific notation
1.57031381 × 10^8
Engineering notation
1.57031381 × 10^6
Prime Factorization
13 × 79 × 107 × 1429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157031381
Product of the distinct prime numbers
The prime factorization of 157031381 is 13 × 79 × 107 × 1429.
Since it has a total of 4 prime factors.
3 , 5 , 9 , 60 , 414 , 461 , 7398 , 2157 , 35575 , 19388 , 490809 , 411376 , 1557018 , 8063996 , 89024836 , 47530333 , 241461454 , 306428746 , 8184297749 , 2455687504
n×2
314062762
n×3
471094143
n×4
628125524
n×5
785156905
n÷2
78515690.5
n÷3
52343793.666667
n÷3
39257845.25
n÷5
31406276.2
n2
24658854618767161
n3
3.8722139946632E+24
n4
6.0805911110949E+32
n5
9.5484361947156E+40
2 √n
12531.2162618
3 √n
539.50501165921
4 √n
111.94291519252
5 √n
43.570976167799
1 , 13 , 79 , 107 , 1027 , 1391 , 1429 , 8453 , 18577 , 109889 , 112891 , 152903 , 1467583 , 1987739 , 12079337 , 157031381
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
-157031380
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 157031381 can be divided by 16 positive divisors.
The sum of these divisors (counting 157031381) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010111000001101111010101
3
Ternary
101221111000120002
4
Quaternary
21113001233111
5
Quinary
310200001011
6
Senary
23325421045
8
Octal
1127015725
10
Decimal
157031381
12
Duodecimal
4470a785
16
Hexadecimal
95c1bd5
20
Vigesimal
2918i91
36
Base36
2lhq6t
md5
5aa2c605b0c80da9e569fe1cab8841c1
sha1
1289bf6d6ee2adece0e8673cd95e99b19e0abdfe
sha256
723fee3dec6eb204816c339c47eec91f8307b587d835f758d2ca392e9c893d93
sha512
4453ccbce36eaf4b8b666d30e7954c0dd9861e8f820ac8ea3e129021d3af9a9341a907566924924b8ac9d32a414d3a856726f8ad8063c75d4ed53cb49265ea11
ripemd-160
8ddcb9dd3c3a15ed4b9ccd03f9697dfab245d064
Diameter
314062762
Circumference
986657265.86532
Area
7.7468076516258E+16
Volume
1.6219892051682E+25
Surface area
3.0987230606503E+17
Circumference
986657265.86532
Perimeter
628125524
Area
24658854618767161
Diagonal
222075908.72838
Surface area
147953127712602966
Volume
3.8722139946632E+24
Space diagonal
271986330.27471
Perimeter
471094143
Area
1.067759726404E+16
Altitude
135993165.13735
Surface area
1.067759726404E+16
Volume
4.5634479563864E+23
Height
74025302.909459