157231387 is an odd 9-digits prime number following 157231386
and preceding 157231388 . In scientific notation, it is written as 1.57231387 × 10^8.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 157231386 positive integers (up to 157231387) that are relatively prime to 157231387.
157231387 has 2 divisors, whose sum is 157231388
The reverse of 157231387 is 783132751
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred fifty-seven million two hundred thirty-one thousand three hundred eighty-seven
Scientific notation
1.57231387 × 10^8
Engineering notation
1.57231387 × 10^6
Prime Factorization
157231387
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
157231387
Product of the distinct prime numbers
The prime factorization of 157231387 is 157231387.
Since it has a total of 1 prime factors.
5 , 2 , 62 , 91 , 726 , 212 , 3291 , 4585 , 86883 , 69006 , 117407 , 872799 , 2491784 , 4737631 , 56460313 , 36645881 , 470364345 , 7344504 , 5859506049 , 6474171572
n×2
314462774
n×3
471694161
n×4
628925548
n×5
786156935
n÷2
78615693.5
n÷3
52410462.333333
n÷3
39307846.75
n÷5
31446277.4
n2
24721709057943769
n3
3.887028604191E+24
n4
6.1116289874562E+32
n5
9.6093990252714E+40
2 √n
12539.194033111
3 √n
539.73396475049
4 √n
111.97854273525
5 √n
43.582069517753
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
157231388
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
78615694
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12539.194072986
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999872799
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157231387 can be divided by 2 positive divisors.
The sum of these divisors (counting 157231387) is 157231388, the average is 78615694.
Base
System
Value
2
Binary
1001010111110010100100011011
3
Ternary
101221212011220201
4
Quaternary
21113302210123
5
Quinary
310222401022
6
Senary
23334003031
8
Octal
1127624433
10
Decimal
157231387
12
Duodecimal
447a6477
16
Hexadecimal
95f291b
20
Vigesimal
292di97
36
Base36
2lm0ij
md5
e9b9198adc9d808a4a6ef5f96ae1bdab
sha1
5239e1e36697a3829c4dc312b7928dcd06bf5802
sha256
7d5ff315904deab588ddfa753299d2f2a840c3968946c7910f04caf67e88ff36
sha512
2931c41b1b13d59505838407043ad7e869d2ab267fec09bdb477da4874516288ce44d4f0e9f747c41faa72748ac698884ea518253504e86f48823b070915a681
ripemd-160
8033b6d0efdccf7ca696d3004b29e72075a995d2
Diameter
314462774
Circumference
987913940.62587
Area
7.766553956062E+16
Volume
1.628194734296E+25
Surface area
3.1066215824248E+17
Circumference
987913940.62587
Perimeter
628925548
Area
24721709057943769
Diagonal
222358759.92613
Surface area
148330254347662614
Volume
3.887028604191E+24
Space diagonal
272332750.82852
Perimeter
471694161
Area
1.0704814034574E+16
Altitude
136166375.41426
Surface area
1.0704814034574E+16
Volume
4.5809071411492E+23
Height
74119586.642044