157021 is an odd 6-digits composite number following 157020
and preceding 157022 . In scientific notation, it is written as 1.57021 × 10^5.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 150172 positive integers (up to 157021) that are relatively prime to 157021.
157021 has 4 divisors, whose sum is 163872
The reverse of 157021 is 120751
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 16
Digital Root 7
Name
one hundred fifty-seven thousand twenty-one
Scientific notation
1.57021 × 10^5
Engineering notation
1.57021 × 10^3
Prime Factorization
23 × 6827
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157021
Product of the distinct prime numbers
The prime factorization of 157021 is 23 × 6827.
Since it has a total of 2 prime factors.
2 , 2 , 72 , 92 , 465 , 18 , 498 , 4543 , 65875 , 99509 , 477013 , 216661 , 1297438 , 6955754 , 17423988 , 64863197 , 811957867 , 929642751 , 9911387472 , 996317696
n×2
314042
n×3
471063
n×4
628084
n×5
785105
n÷2
78510.5
n÷3
52340.333333333
n÷3
39255.25
n÷5
31404.2
n2
24655594441
n3
3871446094720261
n4
6.0789833723907E+20
n5
9.5452804811616E+25
2 √n
396.25875384652
3 √n
53.949312289976
4 √n
19.906249115454
5 √n
10.944389676695
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
-157020
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 157021 can be divided by 4 positive divisors.
The sum of these divisors (counting 157021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010101011101
3
Ternary
21222101121
4
Quaternary
212111131
5
Quinary
20011041
6
Senary
3210541
8
Octal
462535
10
Decimal
157021
12
Duodecimal
76a51
16
Hexadecimal
2655d
20
Vigesimal
jcb1
36
Base36
3d5p
md5
97b78227bb917cdbb047d5390713b1c0
sha1
d4fe6ceeebfdb72c1a91400f3551f2cc83690703
sha256
2883eaa04870144c2029c0127eea3602d6a57de061877caa4d6000af18d23fe9
sha512
e70a0d643e2f15e31a7e3ac681e08b3ead43c7ee1844a2594e713497a46de90ad4339df940279526c7b553bfa1c8d495eb2684aa9ed505072f4df78ee0871904
ripemd-160
3bd92db4409664e0cfb25e9afd0ea2d6237128dd
Diameter
314042
Circumference
986592.04011865
Area
77457834365.735
Volume
1.6216675479923E+16
Surface area
309831337462.94
Circumference
986592.04011865
Perimeter
628084
Area
24655594441
Diagonal
222061.22777739
Surface area
147933566646
Volume
3871446094720261
Space diagonal
271968.34985527
Perimeter
471063
Area
10676185565.656
Altitude
135984.17492764
Surface area
10676185565.656
Volume
4.5625429776248E+14
Height
74020.409259129