157021321 is an odd 9-digits composite number following 157021320
and preceding 157021322 . In scientific notation, it is written as 1.57021321 × 10^8.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 154870272 positive integers (up to 157021321) that are relatively prime to 157021321.
157021321 has 4 divisors, whose sum is 159172372
The reverse of 157021321 is 123120751
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 22
Digital Root 4
Name
one hundred fifty-seven million twenty-one thousand three hundred twenty-one
Scientific notation
1.57021321 × 10^8
Engineering notation
1.57021321 × 10^6
Prime Factorization
73 × 2150977
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157021321
Product of the distinct prime numbers
The prime factorization of 157021321 is 73 × 2150977.
Since it has a total of 2 prime factors.
9 , 1 , 11 , 98 , 334 , 414 , 1776 , 8082 , 46785 , 75996 , 351459 , 575800 , 1182830 , 1685565 , 97854788 , 18827459 , 697039584 , 338106880 , 9283542450 , 9340750362
n×2
314042642
n×3
471063963
n×4
628085284
n×5
785106605
n÷2
78510660.5
n÷3
52340440.333333
n÷3
39255330.25
n÷5
31404264.2
n2
24655695248585041
n3
3.8714698381062E+24
n4
6.079033081911E+32
n5
9.5453780492436E+40
2 √n
12530.814857782
3 √n
539.49349053036
4 √n
111.94112228212
5 √n
43.570417890529
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
-157021320
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 157021321 can be divided by 4 positive divisors.
The sum of these divisors (counting 157021321) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110111111010010001001
3
Ternary
101221110111202111
4
Quaternary
21112333102021
5
Quinary
310144140241
6
Senary
23325302321
8
Octal
1126772211
10
Decimal
157021321
12
Duodecimal
447049a1
16
Hexadecimal
95bf489
20
Vigesimal
2917d61
36
Base36
2lhifd
md5
9394470c528710be5719043f5c757c02
sha1
865c0a89d890355ca379e2a31d9a0cb82b0cedfc
sha256
ae50e262cf4f3be40eaeb7fe26466345c264da7748ed28eb6f43fb4718f33cdf
sha512
785be15f0ebe02505bee6b3a202f05c6d6393a9efd744bbf6a347f57a7a9c6cf0f458a305e7e8a3c767f462cef0d4bee743c44156c0d0f0f340e701c63e1c375
ripemd-160
74305145f88f719decc6979b7c3061edf7e44c5b
Diameter
314042642
Circumference
986594057.02113
Area
7.7458151062104E+16
Volume
1.6216774935985E+25
Surface area
3.0983260424841E+17
Circumference
986594057.02113
Perimeter
628085284
Area
24655695248585041
Diagonal
222061681.73994
Surface area
147934171491510246
Volume
3.8714698381062E+24
Space diagonal
271968905.84358
Perimeter
471063963
Area
1.0676229216621E+16
Altitude
135984452.92179
Surface area
1.0676229216621E+16
Volume
4.5625709594735E+23
Height
74020560.57998