157021771 is an odd 9-digits composite number following 157021770
and preceding 157021772 . In scientific notation, it is written as 1.57021771 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 154939200 positive integers (up to 157021771) that are relatively prime to 157021771.
157021771 has 8 divisors, whose sum is 159115104
The reverse of 157021771 is 177120751
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-seven million twenty-one thousand seven hundred seventy-one
Scientific notation
1.57021771 × 10^8
Engineering notation
1.57021771 × 10^6
Prime Factorization
313 × 101 × 4967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157021771
Product of the distinct prime numbers
The prime factorization of 157021771 is 313 × 101 × 4967.
Since it has a total of 3 prime factors.
2 , 4 , 91 , 84 , 521 , 683 , 4468 , 2847 , 9686 , 74026 , 589987 , 582563 , 3089539 , 6371748 , 85663739 , 69937452 , 853713467 , 860142918 , 4949180787 , 8586987668
n×2
314043542
n×3
471065313
n×4
628087084
n×5
785108855
n÷2
78510885.5
n÷3
52340590.333333
n÷3
39255442.75
n÷5
31404354.2
n2
24655836567976441
n3
3.8715031233902E+24
n4
6.0791027686676E+32
n5
9.545514828272E+40
2 √n
12530.832813504
3 √n
539.49400589952
4 √n
111.94120248373
5 √n
43.570442863782
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157021770
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157021771 can be divided by 8 positive divisors.
The sum of these divisors (counting 157021771) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111011001001011
3
Ternary
101221110112101011
4
Quaternary
21112333121023
5
Quinary
310144144041
6
Senary
23325304351
8
Octal
1126773113
10
Decimal
157021771
12
Duodecimal
447050b7
16
Hexadecimal
95bf64b
20
Vigesimal
2917e8b
36
Base36
2lhirv
md5
5ce306cb16506e063c26ecd699785d71
sha1
d6ad856eb060355529d21396463c3c9e0f393eb2
sha256
1a0661014e2069f42727c2eb2084be66b87bfba6b48ff4c9a7bd1921d86c850b
sha512
57576d37ee9bd68677a213c31503a58c09217f62e907482a96e77819f057614e97939ed1ea12af569ece9487e264975ae4a312b62798dc38024e95d642881e27
ripemd-160
51bb5be431cf86f0009c4449b14bbc3c09565fb5
Diameter
314043542
Circumference
986596884.45452
Area
7.7458595030065E+16
Volume
1.6216914361057E+25
Surface area
3.0983438012026E+17
Circumference
986596884.45452
Perimeter
628087084
Area
24655836567976441
Diagonal
222062318.13604
Surface area
147935019407858646
Volume
3.8715031233902E+24
Space diagonal
271969685.26645
Perimeter
471065313
Area
1.0676290409712E+16
Altitude
135984842.63322
Surface area
1.0676290409712E+16
Volume
4.5626101865569E+23
Height
74020772.712014