157021 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven thousand twenty-one

Notation

Scientific notation 1.57021 × 10^5
Engineering notation 1.57021 × 10^3

Prime Factorization of 157021

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.

Most popular turbo-numbers

Basic calculations (n = 157021)

Multiplication

n×y
n×2 314042
n×3 471063
n×4 628084
n×5 785105

Division

n÷y
n÷2 78510.5
n÷3 52340.333333333
n÷3 39255.25
n÷5 31404.2

Exponentiation

ny
n2 24655594441
n3 3871446094720261
n4 6.0789833723907E+20
n5 9.5452804811616E+25

Nth Root

y√n
2√n 396.25875384652
3√n 53.949312289976
4√n 19.906249115454
5√n 10.944389676695

Divisors of 157021

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 conversion 157021

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

Cryptographic Hash Functions

md5 97b78227bb917cdbb047d5390713b1c0
sha1 d4fe6ceeebfdb72c1a91400f3551f2cc83690703
sha256 2883eaa04870144c2029c0127eea3602d6a57de061877caa4d6000af18d23fe9
sha512 e70a0d643e2f15e31a7e3ac681e08b3ead43c7ee1844a2594e713497a46de90ad4339df940279526c7b553bfa1c8d495eb2684aa9ed505072f4df78ee0871904
ripemd-160 3bd92db4409664e0cfb25e9afd0ea2d6237128dd

157021 as geometric shapes

Circle

Radius = n
Diameter 314042
Circumference 986592.04011865
Area 77457834365.735

Sphere

Radius = n
Volume 1.6216675479923E+16
Surface area 309831337462.94
Circumference 986592.04011865

Square

Length = n
Perimeter 628084
Area 24655594441
Diagonal 222061.22777739

Cube

Length = n
Surface area 147933566646
Volume 3871446094720261
Space diagonal 271968.34985527

Equilateral Triangle

Length = n
Perimeter 471063
Area 10676185565.656
Altitude 135984.17492764

Triangular Pyramid

Length = n
Surface area 10676185565.656
Volume 4.5625429776248E+14
Height 74020.409259129