157428131 is an odd 9-digits composite number following 157428130
and preceding 157428132 . In scientific notation, it is written as 1.57428131 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 134938356 positive integers (up to 157428131) that are relatively prime to 157428131.
157428131 has 4 divisors, whose sum is 160641000
The reverse of 157428131 is 131824751
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred fifty-seven million four hundred twenty-eight thousand one hundred thirty-one
Scientific notation
1.57428131 × 10^8
Engineering notation
1.57428131 × 10^6
Prime Factorization
49 × 3212819
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157428131
Product of the distinct prime numbers
The prime factorization of 157428131 is 49 × 3212819.
Since it has a total of 2 prime factors.
1 , 3 , 66 , 37 , 622 , 238 , 978 , 8150 , 50062 , 90419 , 706702 , 946743 , 8505322 , 8733428 , 32842044 , 73288913 , 384777021 , 932010491 , 5884596090 , 893892256
n×2
314856262
n×3
472284393
n×4
629712524
n×5
787140655
n÷2
78714065.5
n÷3
52476043.666667
n÷3
39357032.75
n÷5
31485626.2
n2
24783616430153161
n3
3.9016384140199E+24
n4
6.1422764335696E+32
n5
9.669670990222E+40
2 √n
12547.036741797
3 √n
539.9589943714
4 √n
112.01355606263
5 √n
43.592970931708
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
-157428130
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 157428131 can be divided by 4 positive divisors.
The sum of these divisors (counting 157428131) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100010100110100011
3
Ternary
101222020011210112
4
Quaternary
21120202212203
5
Quinary
310300200011
6
Senary
23342121535
8
Octal
1130424643
10
Decimal
157428131
12
Duodecimal
448802ab
16
Hexadecimal
96229a3
20
Vigesimal
293ia6b
36
Base36
2lq8bn
md5
07c3982d5930312d6229a13dec3bd6c5
sha1
760461f0253e2bcc0eb5b01dea8b665468fb3e4a
sha256
865fba7f46b9c2b2add4fec44beaab16624befe5869116c6a55c2c7f56be7e29
sha512
5e28157524393e60eaa70335086cd9cfe0fc66181ee7b40315038189e386f33d04a366e9d8ee6e3f0f94d96072967d435d7fbc2f96ff02a0cf218cd7fdaa477e
ripemd-160
70cbc961b4c9894ff65d87b74fe697e25aa5d456
Diameter
314856262
Circumference
989150119.63594
Area
7.7860027306356E+16
Volume
1.6343144771265E+25
Surface area
3.1144010922543E+17
Circumference
989150119.63594
Perimeter
629712524
Area
24783616430153161
Diagonal
222636997.95925
Surface area
148701698580918966
Volume
3.9016384140199E+24
Space diagonal
272673521.43261
Perimeter
472284393
Area
1.0731620713081E+16
Altitude
136336760.7163
Surface area
1.0731620713081E+16
Volume
4.5981249671523E+23
Height
74212332.653083