157388621 is an odd 9-digits composite number following 157388620
and preceding 157388622 . In scientific notation, it is written as 1.57388621 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 145281792 positive integers (up to 157388621) that are relatively prime to 157388621.
157388621 has 4 divisors, whose sum is 169495452
The reverse of 157388621 is 126883751
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred fifty-seven million three hundred eighty-eight thousand six hundred twenty-one
Scientific notation
1.57388621 × 10^8
Engineering notation
1.57388621 × 10^6
Prime Factorization
13 × 12106817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157388621
Product of the distinct prime numbers
The prime factorization of 157388621 is 13 × 12106817.
Since it has a total of 2 prime factors.
1 , 5 , 63 , 89 , 811 , 770 , 718 , 2380 , 93831 , 19143 , 662622 , 345736 , 2907628 , 3001584 , 7744226 , 77144119 , 797422100 , 331258787 , 3297018794 , 5582408994
n×2
314777242
n×3
472165863
n×4
629554484
n×5
786943105
n÷2
78694310.5
n÷3
52462873.666667
n÷3
39347155.25
n÷5
31477724.2
n2
24771178020281641
n3
3.8987015491576E+24
n4
6.1361126051248E+32
n5
9.6575430122132E+40
2 √n
12545.462167652
3 √n
539.91381912285
4 √n
112.00652734396
5 √n
43.590782591922
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
-157388620
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 157388621 can be divided by 4 positive divisors.
The sum of these divisors (counting 157388621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000011000111101001101
3
Ternary
101222011011121012
4
Quaternary
21120120331031
5
Quinary
310242413441
6
Senary
23341215005
8
Octal
1130307515
10
Decimal
157388621
12
Duodecimal
44861465
16
Hexadecimal
9618f4d
20
Vigesimal
293dbb1
36
Base36
2lpdu5
md5
22dc8586f5d78d22f7a76e631a6ca64b
sha1
35a265194d192e472dbc3f300447c8320068ce89
sha256
aeb2c89c183a462fe7b93da6fed2514a687c52176673bd0eba242c37092fc29e
sha512
41b309ac645582589cf974adc5f93415bb7362f6514dce5e03a8183a087f12717ee8e490673091e77c4267c8159ec482d11c25ad25ae78a2ac24070eea8707d0
ripemd-160
aa72811409a53c8800e6b2cc9b5d1b1e60e19597
Diameter
314777242
Circumference
988901870.98446
Area
7.7820950889282E+16
Volume
1.6330842860497E+25
Surface area
3.1128380355713E+17
Circumference
988901870.98446
Perimeter
629554484
Area
24771178020281641
Diagonal
222581122.3814
Surface area
148627068121689846
Volume
3.8987015491576E+24
Space diagonal
272605088.1052
Perimeter
472165863
Area
1.0726234723615E+16
Altitude
136302544.0526
Surface area
1.0726234723615E+16
Volume
4.5946638387198E+23
Height
74193707.460466