157231385 is an odd 9-digits composite number following 157231384
and preceding 157231386 . In scientific notation, it is written as 1.57231385 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 118173696 positive integers (up to 157231385) that are relatively prime to 157231385.
157231385 has 16 divisors, whose sum is 200134800
The reverse of 157231385 is 583132751
Previous prime number is 709
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred fifty-seven million two hundred thirty-one thousand three hundred eighty-five
Scientific notation
1.57231385 × 10^8
Engineering notation
1.57231385 × 10^6
Prime Factorization
5 × 17 × 709 × 2609
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157231385
Product of the distinct prime numbers
The prime factorization of 157231385 is 5 × 17 × 709 × 2609.
Since it has a total of 4 prime factors.
4 , 2 , 16 , 61 , 586 , 171 , 2384 , 8074 , 61650 , 3008 , 897410 , 857919 , 8752807 , 2734188 , 87858739 , 25488987 , 62724541 , 798562545 , 5466555864 , 8224007145
n×2
314462770
n×3
471694155
n×4
628925540
n×5
786156925
n÷2
78615692.5
n÷3
52410461.666667
n÷3
39307846.25
n÷5
31446277
n2
24721708429018225
n3
3.8870284558607E+24
n4
6.1116286764939E+32
n5
9.6093984141085E+40
2 √n
12539.193953361
3 √n
539.733962462
4 √n
111.97854237916
5 √n
43.582069406879
1 , 5 , 17 , 85 , 709 , 2609 , 3545 , 12053 , 13045 , 44353 , 60265 , 221765 , 1849781 , 9248905 , 31446277 , 157231385
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
-157231384
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 157231385 can be divided by 16 positive divisors.
The sum of these divisors (counting 157231385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010111110010100100011001
3
Ternary
101221212011220122
4
Quaternary
21113302210121
5
Quinary
310222401020
6
Senary
23334003025
8
Octal
1127624431
10
Decimal
157231385
12
Duodecimal
447a6475
16
Hexadecimal
95f2919
20
Vigesimal
292di95
36
Base36
2lm0ih
md5
0d1f055c15e092412fc67dbc9464718e
sha1
1dc57932581cbd7082a7bea09c47c4681814bc85
sha256
49a9bf3db29e1ebe6a22b443d9c981a1cd4fcc17046822621a03b7c03ff9394b
sha512
31645173f8f93966ed9a928cad063e90f60690ce96667759d9c0ecb4e5b5d659e236dcaa82ea44212f1184ad9e53262af9029a583e12a433f46a0642b01e0de8
ripemd-160
32ab474e42c04e710122a24f019a71096c5434b0
Diameter
314462770
Circumference
987913928.0595
Area
7.7665537584793E+16
Volume
1.6281946721635E+25
Surface area
3.1066215033917E+17
Circumference
987913928.0595
Perimeter
628925540
Area
24721708429018225
Diagonal
222358757.09771
Surface area
148330250574109350
Volume
3.8870284558607E+24
Space diagonal
272332747.36442
Perimeter
471694155
Area
1.0704813762241E+16
Altitude
136166373.68221
Surface area
1.0704813762241E+16
Volume
4.5809069663403E+23
Height
74119585.699235