157172005 is an odd 9-digits composite number following 157172004
and preceding 157172006 . In scientific notation, it is written as 1.57172005 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 124583616 positive integers (up to 157172005) that are relatively prime to 157172005.
157172005 has 8 divisors, whose sum is 190337400
The reverse of 157172005 is 500271751
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred fifty-seven million one hundred seventy-two thousand five
Scientific notation
1.57172005 × 10^8
Engineering notation
1.57172005 × 10^6
Prime Factorization
5 × 109 × 288389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157172005
Product of the distinct prime numbers
The prime factorization of 157172005 is 5 × 109 × 288389.
Since it has a total of 3 prime factors.
5 , 2 , 14 , 62 , 218 , 385 , 498 , 9504 , 69715 , 69917 , 553364 , 45699 , 3612977 , 4810415 , 21809209 , 61971846 , 958509556 , 135530405 , 8682195323 , 8067600796
n×2
314344010
n×3
471516015
n×4
628688020
n×5
785860025
n÷2
78586002.5
n÷3
52390668.333333
n÷3
39293001.25
n÷5
31434401
n2
24703039155720025
n3
3.882626193698E+24
n4
6.1024014352904E+32
n5
9.5912666889946E+40
2 √n
12536.825953965
3 √n
539.66600860293
4 √n
111.96796842832
5 √n
43.578777068891
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157172004
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157172005 can be divided by 8 positive divisors.
The sum of these divisors (counting 157172005) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111100100000100100101
3
Ternary
101221202011110101
4
Quaternary
21113210010211
5
Quinary
310214001010
6
Senary
23332424101
8
Octal
1127440445
10
Decimal
157172005
12
Duodecimal
44778031
16
Hexadecimal
95e4125
20
Vigesimal
2926a05
36
Base36
2lkqp1
md5
16a26125c7ebd7e223a638f55cf88776
sha1
227eaf740e3cb9c4eeafd31b6493280714069990
sha256
677a21b335cdd5bb7b3621b427c7e3ccc159ae87e4bfe4e5cef2944f572f43fe
sha512
01a952601d5f2beb0772655bfa3afddce30baf68e2d98cd7862ff43744e0f288ecc11c5fb37d2466c42e3886b84e8d883d3f4574da653b14a47f13a8a3cac27a
ripemd-160
684d4565204d3853b145d79bb2f5c1c7c1172875
Diameter
314344010
Circumference
987540832.51596
Area
7.7606886332951E+16
Volume
1.6263506569009E+25
Surface area
3.104275453318E+17
Circumference
987540832.51596
Perimeter
628688020
Area
24703039155720025
Diagonal
222274781.09637
Surface area
148218234934320150
Volume
3.882626193698E+24
Space diagonal
272229898.18747
Perimeter
471516015
Area
1.0696729729768E+16
Altitude
136114949.09373
Surface area
1.0696729729768E+16
Volume
4.5757188506273E+23
Height
74091593.698791