157047387 is an odd 9-digits composite number following 157047386
and preceding 157047388 . In scientific notation, it is written as 1.57047387 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 89741352 positive integers (up to 157047387) that are relatively prime to 157047387.
157047387 has 4 divisors, whose sum is 164525856
The reverse of 157047387 is 783740751
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-seven million forty-seven thousand three hundred eighty-seven
Scientific notation
1.57047387 × 10^8
Engineering notation
1.57047387 × 10^6
Prime Factorization
21 × 7478447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157047387
Product of the distinct prime numbers
The prime factorization of 157047387 is 21 × 7478447.
Since it has a total of 2 prime factors.
8 , 4 , 93 , 78 , 452 , 800 , 3278 , 5074 , 97816 , 83376 , 92745 , 835021 , 2442085 , 1290819 , 36838448 , 54055052 , 877695899 , 837025333 , 6196361597 , 4605049624
n×2
314094774
n×3
471142161
n×4
628189548
n×5
785236935
n÷2
78523693.5
n÷3
52349129
n÷3
39261846.75
n÷5
31409477.4
n2
24663881763527769
n3
3.873398184239E+24
n4
6.0830706364528E+32
n5
9.5533034839134E+40
2 √n
12531.854890638
3 √n
539.52334137943
4 √n
111.94576763164
5 √n
43.571864357927
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
-157047386
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 157047387 can be divided by 4 positive divisors.
The sum of these divisors (counting 157047387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111000101101001011011
3
Ternary
101221111211111220
4
Quaternary
21113011221123
5
Quinary
310201004022
6
Senary
23330023123
8
Octal
1127055133
10
Decimal
157047387
12
Duodecimal
44717aa3
16
Hexadecimal
95c5a5b
20
Vigesimal
291ai97
36
Base36
2li2jf
md5
b11940ff16c55e864696091703a3edb0
sha1
f849d2dea1a2f636cf398ede35c66ab337cb2972
sha256
6543c40ebc9cc1966d69fba9a4002c1d632090983ccfe86684714dbd7ee2bb46
sha512
75af16bd9476c7d7d03006531b4149b09e0fe1f17d3457f742dcb44a5d12dd372b62961c2681f511b6ff5d7d8f4cffd4e737fbd2b63877a6e3484a4952ca9316
ripemd-160
4d75b4780f5603f7fa2930b8a31d023853fe779c
Diameter
314094774
Circumference
986757834.52935
Area
7.7483869757306E+16
Volume
1.6224852373378E+25
Surface area
3.0993547902922E+17
Circumference
986757834.52935
Perimeter
628189548
Area
24663881763527769
Diagonal
222098544.63066
Surface area
147983290581166614
Volume
3.873398184239E+24
Space diagonal
272014053.47993
Perimeter
471142161
Area
1.0679774081575E+16
Altitude
136007026.73997
Surface area
1.0679774081575E+16
Volume
4.5648435371851E+23
Height
74032848.210219