157417721 is an odd 9-digits composite number following 157417720
and preceding 157417722 . In scientific notation, it is written as 1.57417721 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 146059200 positive integers (up to 157417721) that are relatively prime to 157417721.
157417721 has 16 divisors, whose sum is 169325568
The reverse of 157417721 is 127714751
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred fifty-seven million four hundred seventeen thousand seven hundred twenty-one
Scientific notation
1.57417721 × 10^8
Engineering notation
1.57417721 × 10^6
Prime Factorization
31 × 71 × 37 × 1933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157417721
Product of the distinct prime numbers
The prime factorization of 157417721 is 31 × 71 × 37 × 1933.
Since it has a total of 4 prime factors.
4 , 2 , 3 , 27 , 538 , 998 , 1853 , 857 , 98897 , 19550 , 901328 , 464715 , 2279186 , 2435673 , 11192762 , 51317431 , 306069035 , 883792297 , 4355499937 , 5664997361
n×2
314835442
n×3
472253163
n×4
629670884
n×5
787088605
n÷2
78708860.5
n÷3
52472573.666667
n÷3
39354430.25
n÷5
31483544.2
n2
24780338884833841
n3
3.9008644728582E+24
n4
6.1406519524721E+32
n5
9.6664743581236E+40
2 √n
12546.621895953
3 √n
539.94709243876
4 √n
112.01170428108
5 √n
43.592394395827
1 , 31 , 37 , 71 , 1147 , 1933 , 2201 , 2627 , 59923 , 71521 , 81437 , 137243 , 2217151 , 4254533 , 5077991 , 157417721
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
-157417720
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 157417721 can be divided by 16 positive divisors.
The sum of these divisors (counting 157417721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011000100000000011111001
3
Ternary
101222012122111222
4
Quaternary
21120200003321
5
Quinary
310244331341
6
Senary
23342001425
8
Octal
1130400371
10
Decimal
157417721
12
Duodecimal
44876275
16
Hexadecimal
96200f9
20
Vigesimal
293h461
36
Base36
2lq0ah
md5
69af77ff9afbbc53116d12f866298149
sha1
77a87b592f6019319779596d00140503db4072d7
sha256
b9403e5245fc05aca506a533f50eaecf9daaa166e17768a03778b271a777bbc0
sha512
90c72199ef84f5c890bea173e83f28d45f5430f77871ab85d1638345c160b3c5dc299dde51e1ceed13b2d8c5b0a7ead3d2591bc8d762b836b775aebfe2fa1e1e
ripemd-160
74ceaabb69fd5405b44d70bcbf7e1ab1a203975e
Diameter
314835442
Circumference
989084711.6769
Area
7.7849730594059E+16
Volume
1.6339902894108E+25
Surface area
3.1139892237624E+17
Circumference
989084711.6769
Perimeter
629670884
Area
24780338884833841
Diagonal
222622275.99606
Surface area
148682033309003046
Volume
3.9008644728582E+24
Space diagonal
272655490.7837
Perimeter
472253163
Area
1.0730201494327E+16
Altitude
136327745.39185
Surface area
1.0730201494327E+16
Volume
4.5972128687462E+23
Height
74207425.332021