21136440 (number)

21136440 is an even 8-digits composite number following 21136439 and preceding 21136441. In scientific notation, it is written as 2.1136440 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 128 positive divisors. There are 4890624 positive integers (up to 21136440) that are relatively prime to 21136440.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-six thousand four hundred forty

Notation

Scientific notation 2.1136440 × 10^7
Engineering notation 2.1136440 × 10^6

Prime Factorization of 21136440

Prime Factorization 2 × 2 × 2 × 3 × 13 × 17 × 5 × 797

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 5284110
Product of the distinct prime numbers

The prime factorization of 21136440 is 2 × 2 × 2 × 3 × 13 × 17 × 5 × 797. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21136440)

Multiplication

n×y
n×2 42272880
n×3 63409320
n×4 84545760
n×5 105682200

Division

n÷y
n÷2 10568220
n÷3 7045480
n÷3 5284110
n÷5 4227288

Exponentiation

ny
n2 446749095873600
n3 9.4426854599866E+21
n4 1.9958475466388E+29
n5 4.2185111918678E+36

Nth Root

y√n
2√n 4597.4384172058
3√n 276.48863241571
4√n 67.804412962622
5√n 29.174697936608

Divisors of 21136440

128 divisors

τ Total Divisors 128
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21136439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0078125
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 128
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21136440 can be divided by 128 positive divisors. The sum of these divisors (counting 21136440) is 1, the average is 0.0078125.

Base conversion 21136440

Base System Value
2 Binary 1010000101000010000111000
3 Ternary 1110202211202010
4 Quaternary 1100220100320
5 Quinary 20402331230
6 Senary 2033005520
8 Octal 120502070
10 Decimal 21136440
12 Duodecimal 70b38a0
16 Hexadecimal 1428438
20 Vigesimal 6c2120
36 Base36 cl0zc

Cryptographic Hash Functions

md5 975f7de176196d4daa7236e99c241a42
sha1 343b16c8628b3f135e0a1ff644b87eb91d996c7a
sha256 03ca4770f91042663243980254a0484e78667b2471e80d4d6d30a112707a6ddd
sha512 8e8b3e72e4fdc65978a746f83f9126ee786de0d52450ffd68ef6c5ab089ef879be2c75891239ded5dc7d5d2cd378420e2f36aa7a0ac7f5e15b728e846002ff70
ripemd-160 beb3fb52dbdd8ea40222cfeeb38ddf175858eff8

21136440 as geometric shapes

Circle

Radius = n
Diameter 42272880
Circumference 132804169.25408
Area 1.4035036775944E+15

Sphere

Radius = n
Volume 3.9553428361671E+22
Surface area 5.6140147103775E+15
Circumference 132804169.25408

Square

Length = n
Perimeter 84545760
Area 446749095873600
Diagonal 29891440.108285

Cube

Length = n
Surface area 2680494575241600
Volume 9.4426854599866E+21
Space diagonal 36609387.971131

Equilateral Triangle

Length = n
Perimeter 63409320
Area 1.9344803307213E+14
Altitude 18304693.985566

Triangular Pyramid

Length = n
Surface area 1.9344803307213E+14
Volume 1.1128311535614E+21
Height 9963813.3694284