157431391 is an odd 9-digits composite number following 157431390
and preceding 157431392 . In scientific notation, it is written as 1.57431391 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 145321272 positive integers (up to 157431391) that are relatively prime to 157431391.
157431391 has 4 divisors, whose sum is 169541512
The reverse of 157431391 is 193134751
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred fifty-seven million four hundred thirty-one thousand three hundred ninety-one
Scientific notation
1.57431391 × 10^8
Engineering notation
1.57431391 × 10^6
Prime Factorization
13 × 12110107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157431391
Product of the distinct prime numbers
The prime factorization of 157431391 is 13 × 12110107.
Since it has a total of 2 prime factors.
2 , 8 , 94 , 32 , 65 , 401 , 5921 , 3044 , 15517 , 8336 , 634723 , 337895 , 1959757 , 4810495 , 52056315 , 28255963 , 485906628 , 457191543 , 120213290 , 1240701128
n×2
314862782
n×3
472294173
n×4
629725564
n×5
787156955
n÷2
78715695.5
n÷3
52477130.333333
n÷3
39357847.75
n÷5
31486278.2
n2
24784642872194881
n3
3.9018808028079E+24
n4
6.1427852230224E+32
n5
9.6706722227466E+40
2 √n
12547.166652277
3 √n
539.96272147777
4 √n
112.01413594844
5 √n
43.593151473657
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157431390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157431391 can be divided by 4 positive divisors.
The sum of these divisors (counting 157431391) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100011011001011111
3
Ternary
101222020100021021
4
Quaternary
21120203121133
5
Quinary
310300301031
6
Senary
23342145011
8
Octal
1130433137
10
Decimal
157431391
12
Duodecimal
44882167
16
Hexadecimal
962365f
20
Vigesimal
293ii9b
36
Base36
2lqau7
md5
990781dccb495100b8d7062a06e9227d
sha1
25f0b71783ff8c8c7161aa7d9b0eca7f538e11a8
sha256
d291294524f878d74d56e8d4be24142e262579d6cc2377c4b99dafdeee7cce40
sha512
ee7cda366b0a5ccaa39b3a081f93f15bd18469547525d3811fb53c366fcdecad4d23558d48e600220987cb097979c9e23ded36362218a16b5fe96fea80ba89d2
ripemd-160
69ce8f24c1a2775075af7e604ccb7bf1ff04d139
Diameter
314862782
Circumference
989170602.82004
Area
7.7863251969134E+16
Volume
1.6344160087046E+25
Surface area
3.1145300787654E+17
Circumference
989170602.82004
Perimeter
629725564
Area
24784642872194881
Diagonal
222641608.29546
Surface area
148707857233169286
Volume
3.9018808028079E+24
Space diagonal
272679167.91824
Perimeter
472294173
Area
1.0732065175523E+16
Altitude
136339583.95912
Surface area
1.0732065175523E+16
Volume
4.5984106250784E+23
Height
74213869.431821