157415921 is an odd 9-digits composite number following 157415920
and preceding 157415922 . In scientific notation, it is written as 1.57415921 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 145306992 positive integers (up to 157415921) that are relatively prime to 157415921.
157415921 has 4 divisors, whose sum is 169524852
The reverse of 157415921 is 129514751
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred fifty-seven million four hundred fifteen thousand nine hundred twenty-one
Scientific notation
1.57415921 × 10^8
Engineering notation
1.57415921 × 10^6
Prime Factorization
13 × 12108917
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157415921
Product of the distinct prime numbers
The prime factorization of 157415921 is 13 × 12108917.
Since it has a total of 2 prime factors.
1 , 10 , 95 , 10 , 924 , 212 , 7540 , 5466 , 20504 , 77356 , 902831 , 693130 , 846215 , 4945393 , 33758608 , 33051415 , 10949147 , 54930917 , 2932126346 , 2130430760
n×2
314831842
n×3
472247763
n×4
629663684
n×5
787079605
n÷2
78707960.5
n÷3
52471973.666667
n÷3
39353980.25
n÷5
31483184.2
n2
24779772184278241
n3
3.9007306605583E+24
n4
6.1403710950473E+32
n5
9.6659217120865E+40
2 √n
12546.550163292
3 √n
539.94503441449
4 √n
112.01138407899
5 √n
43.592294703533
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
-157415920
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 157415921 can be divided by 4 positive divisors.
The sum of these divisors (counting 157415921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000011111100111110001
3
Ternary
101222012120001022
4
Quaternary
21120133213301
5
Quinary
310244302141
6
Senary
23341545225
8
Octal
1130374761
10
Decimal
157415921
12
Duodecimal
44875215
16
Hexadecimal
961f9f1
20
Vigesimal
293gjg1
36
Base36
2lpywh
md5
f2790cd2eeab92b02347e3d6edd74810
sha1
036f306254d898d68597ee5bf6970c6fa3b7c43c
sha256
278be8323358997483b21b67f9aa33c82fba1ea5734b74cdd86d3c80f06b557f
sha512
54e79d4e4c6a6773c15ddd71e2328cc5d757a5867bea04257efbc4b6d008dec3d3990e2c010b2492292dc39533b9dd3a7fe411ba871be0ea35414910168ac257
ripemd-160
da6922702298575cb8765bbad89cfb6e682e5e9c
Diameter
314831842
Circumference
989073401.94334
Area
7.7847950251757E+16
Volume
1.6339342382457E+25
Surface area
3.1139180100703E+17
Circumference
989073401.94334
Perimeter
629663684
Area
24779772184278241
Diagonal
222619730.41165
Surface area
148678633105669446
Volume
3.9007306605583E+24
Space diagonal
272652373.09225
Perimeter
472247763
Area
1.0729956105788E+16
Altitude
136326186.54612
Surface area
1.0729956105788E+16
Volume
4.5970551694385E+23
Height
74206576.803884