21030157 (number)

21030157 is an odd 8-digits composite number following 21030156 and preceding 21030158. In scientific notation, it is written as 2.1030157 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20962656 positive integers (up to 21030157) that are relatively prime to 21030157.

Interesting facts

Basic properties

Name

Name twenty-one million thirty thousand one hundred fifty-seven

Notation

Scientific notation 2.1030157 × 10^7
Engineering notation 2.1030157 × 10^6

Prime Factorization of 21030157

Prime Factorization 313 × 67189

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21030157
Product of the distinct prime numbers

The prime factorization of 21030157 is 313 × 67189. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21030157)

Multiplication

n×y
n×2 42060314
n×3 63090471
n×4 84120628
n×5 105150785

Division

n÷y
n÷2 10515078.5
n÷3 7010052.3333333
n÷3 5257539.25
n÷5 4206031.4

Exponentiation

ny
n2 442267503444649
n3 9.300955033439E+21
n4 1.9560054460316E+29
n5 4.11351016229E+36

Nth Root

y√n
2√n 4585.864912969
3√n 276.0244193545
4√n 67.719014412268
5√n 29.145298188036

Divisors of 21030157

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 -21030156
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 21030157 can be divided by 4 positive divisors. The sum of these divisors (counting 21030157) is 1, the average is 0.25.

Base conversion 21030157

Base System Value
2 Binary 1010000001110010100001101
3 Ternary 1110120102221201
4 Quaternary 1100032110031
5 Quinary 20340431112
6 Senary 2030425501
8 Octal 120162415
10 Decimal 21030157
12 Duodecimal 7062291
16 Hexadecimal 140e50d
20 Vigesimal 6b8f7h
36 Base36 ciqz1

Cryptographic Hash Functions

md5 08736faaf64ff1d1a1ea0f1b25672807
sha1 655505923aadb51bd5e73b7e0ccb14c5d19e5d79
sha256 4b0f685215add323a8c55e945aaccaa1b8a29cc411a699ea67d92ff3073c09ba
sha512 6ff00eb2400557fd6a0e4ae6e4a62e02bd52c83a82c65294f155e30141439b0f5bf552b09f0f774abc6ea4692941aa12fec50c445511a6e7dfd94ea64d429782
ripemd-160 e74caca7d89b2d8e8abfe0b287351321728fff20

21030157 as geometric shapes

Circle

Radius = n
Diameter 42060314
Circumference 132136373.47008
Area 1.3894243397432E+15

Sphere

Radius = n
Volume 3.8959749339228E+22
Surface area 5.5576973589728E+15
Circumference 132136373.47008

Square

Length = n
Perimeter 84120628
Area 442267503444649
Diagonal 29741133.248235

Cube

Length = n
Surface area 2653605020667894
Volume 9.300955033439E+21
Space diagonal 36425300.41515

Equilateral Triangle

Length = n
Perimeter 63090471
Area 1.9150744662569E+14
Altitude 18212650.207575

Triangular Pyramid

Length = n
Surface area 1.9150744662569E+14
Volume 1.0961280626093E+21
Height 9913711.0827452