157039821 is an odd 9-digits composite number following 157039820
and preceding 157039822 . In scientific notation, it is written as 1.57039821 × 10^8.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 104693208 positive integers (up to 157039821) that are relatively prime to 157039821.
157039821 has 4 divisors, whose sum is 174488700
The reverse of 157039821 is 128930751
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred fifty-seven million thirty-nine thousand eight hundred twenty-one
Scientific notation
1.57039821 × 10^8
Engineering notation
1.57039821 × 10^6
Prime Factorization
9 × 17448869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157039821
Product of the distinct prime numbers
The prime factorization of 157039821 is 9 × 17448869.
Since it has a total of 2 prime factors.
2 , 4 , 98 , 24 , 735 , 804 , 6407 , 3385 , 58900 , 21601 , 814357 , 241166 , 4996975 , 2049696 , 47489332 , 17531743 , 591248910 , 246586933 , 3588552869 , 9009267265
n×2
314079642
n×3
471119463
n×4
628159284
n×5
785199105
n÷2
78519910.5
n÷3
52346607
n÷3
39259955.25
n÷5
31407964.2
n2
24661505379712041
n3
3.8728383904205E+24
n4
6.0818984759357E+32
n5
9.5510024800111E+40
2 √n
12531.553016287
3 √n
539.51467711736
4 √n
111.9444193173
5 √n
43.571444521488
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
-157039820
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 157039821 can be divided by 4 positive divisors.
The sum of these divisors (counting 157039821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111000011110011001101
3
Ternary
101221111110010200
4
Quaternary
21113003303031
5
Quinary
310200233241
6
Senary
23325524113
8
Octal
1127036315
10
Decimal
157039821
12
Duodecimal
44713639
16
Hexadecimal
95c3ccd
20
Vigesimal
2919jb1
36
Base36
2lhwp9
md5
909b37f68283769fd1966df57d929bdd
sha1
d0f4df44b0cf7e1122afe88850b743b65a52e0ab
sha256
a511aa9adce4bbe79f4eaef9bd3f5e40abb78332c11b41ee01d555b74602a389
sha512
a9880453e6c52ea80a3c9152761cc64722738a942f8b713252641f80c9522dc1aa208646ea959cade637dda6ab722a040fe4e03e1d667b4db6970618e0b77a06
ripemd-160
27b4989d3d86cfacf0779af9a786035e2f54d3c7
Diameter
314079642
Circumference
986710295.94931
Area
7.7476404127369E+16
Volume
1.6222507514514E+25
Surface area
3.0990561650947E+17
Circumference
986710295.94931
Perimeter
628159284
Area
24661505379712041
Diagonal
222087844.69084
Surface area
147969032278272246
Volume
3.8728383904205E+24
Space diagonal
272000948.78352
Perimeter
471119463
Area
1.0678745077199E+16
Altitude
136000474.39176
Surface area
1.0678745077199E+16
Volume
4.5641838138432E+23
Height
74029281.563614