21131830 (number)

21131830 is an even 8-digits composite number following 21131829 and preceding 21131831. In scientific notation, it is written as 2.1131830 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 8374752 positive integers (up to 21131830) that are relatively prime to 21131830.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred thirty

Notation

Scientific notation 2.1131830 × 10^7
Engineering notation 2.1131830 × 10^6

Prime Factorization of 21131830

Prime Factorization 2 × 5 × 109 × 19387

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21131830
Product of the distinct prime numbers

The prime factorization of 21131830 is 2 × 5 × 109 × 19387. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 9, 90, 92, 83, 5862, 2702, 36548, 55476, 764989, 147524, 9459182, 4937107, 39690725, 32729496, 668748049, 871860474, 4467993990, 1342602366

Basic calculations (n = 21131830)

Multiplication

n×y
n×2 42263660
n×3 63395490
n×4 84527320
n×5 105659150

Division

n÷y
n÷2 10565915
n÷3 7043943.3333333
n÷3 5282957.5
n÷5 4226366

Exponentiation

ny
n2 446554239148900
n3 9.4365082674739E+21
n4 1.9941068850185E+29
n5 4.2139127696041E+36

Nth Root

y√n
2√n 4596.9370237148
3√n 276.46852960947
4√n 67.800715510346
5√n 29.17342518592

Divisors of 21131830

1, 2, 5, 10, 109, 218, 545, 1090, 19387, 38774, 96935, 193870, 2113183, 4226366, 10565915, 21131830

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131829
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131830 can be divided by 16 positive divisors. The sum of these divisors (counting 21131830) is 1, the average is 0.0625.

Base conversion 21131830

Base System Value
2 Binary 1010000100111001000110110
3 Ternary 1110202121102101
4 Quaternary 1100213020312
5 Quinary 20402204310
6 Senary 2032532314
8 Octal 120471066
10 Decimal 21131830
12 Duodecimal 70b109a
16 Hexadecimal 1427236
20 Vigesimal 6c19ba
36 Base36 ckxfa

Cryptographic Hash Functions

md5 ef36b3de5a763f24f4fccccda06a1e29
sha1 cb0e33c7bde76198e4c6ea2e80bcffdfd5767234
sha256 ffc918e62b24cfc970ce87abf72a04a9112b0248bc5430bfafd392cedb73b2f7
sha512 c9f2623471d8e4388b7c13a6017e83e5fca9f07cefd54e0e37dffc2206e9e4aa19c6d701994ec17f170cd94659350a30ab983829b698668af9de7a879be1c2e6
ripemd-160 0017d298cc743f37d79f742c2cb3ce496b30e74a

21131830 as geometric shapes

Circle

Radius = n
Diameter 42263660
Circumference 132775203.76982
Area 1.4028915171396E+15

Sphere

Radius = n
Volume 3.952755339818E+22
Surface area 5.6115660685583E+15
Circumference 132775203.76982

Square

Length = n
Perimeter 84527320
Area 446554239148900
Diagonal 29884920.583763

Cube

Length = n
Surface area 2679325434893400
Volume 9.4365082674739E+21
Space diagonal 36601403.216908

Equilateral Triangle

Length = n
Perimeter 63395490
Area 1.9336365763529E+14
Altitude 18300701.608454

Triangular Pyramid

Length = n
Surface area 1.9336365763529E+14
Volume 1.1121031644423E+21
Height 9961640.1945875