Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21006872 (number)

21006872 is an even 8-digits composite number following 21006871 and preceding 21006873. In scientific notation, it is written as 2.1006872 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 8 positive divisors. There are 10503432 positive integers (up to 21006872) that are relatively prime to 21006872.

Interesting facts

21006872 has 8 divisors, whose sum is 39387900
The reverse of 21006872 is 27860012
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million six thousand eight hundred seventy-two

Notation

Scientific notation	2.1006872 × 10^7
Engineering notation	2.1006872 × 10^6

Prime Factorization of 21006872

Prime Factorization 2 × 2 × 2 × 2625859

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	5251718	Product of the distinct prime numbers

The prime factorization of 21006872 is 2 × 2 × 2 × 2625859. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 86, 81, 932, 380, 9023, 8547, 14015, 12677, 578822, 353812, 9152152, 6823403, 12543564, 76657940, 606249467, 306651399, 3358718888, 9302152932

Basic calculations (n = 21006872)

Multiplication

n×y

n×2	42013744
n×3	63020616
n×4	84027488
n×5	105034360

Division

n÷y

n÷2	10503436
n÷3	7002290.6666667
n÷3	5251718
n÷5	4201374.4

Exponentiation

n^y

n²	441288671224384
n³	9.2700946314607E+21
n⁴	1.9473569135098E+29
n⁵	4.0907877420416E+36

Nth Root

^y√n

²√n	4583.3254302962
³√n	275.9225085258
⁴√n	67.700261670811
⁵√n	29.138841279196

Divisors of 21006872

1, 2, 4, 8, 2625859, 5251718, 10503436, 21006872

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21006871	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006872 can be divided by 8 positive divisors. The sum of these divisors (counting 21006872) is 1, the average is 0.125.

Base conversion 21006872

Base	System	Value
2	Binary	1010000001000101000011000
3	Ternary	1110112021000022
4	Quaternary	1100020220120
5	Quinary	20334204442
6	Senary	2030130012
8	Octal	120105030
10	Decimal	21006872
12	Duodecimal	7050908
16	Hexadecimal	1408a18
20	Vigesimal	6b5h3c
36	Base36	ci908

Cryptographic Hash Functions

md5	247a59a7106dea889a9d4a9ba73de6bc
sha1	db0b461b7cf411e76b666699bcf9b9b9a7a01a26
sha256	e4047b4856521625431dea448037be2d47c075aaf3d386aefa35cfe07063dede
sha512	bb97db0b7c14bfad9a15e761029960dadfc4f198db0259e13c94ceff374d29fba9c134fc26adbdf0d45e618e6fbe5a5195241767d9dcd04a9a153a00e2b939ec
ripemd-160	1bd33f6934d8156a0b83df9349894ebc6935c798

21006872 as geometric shapes

Circle

Radius = n

Diameter	42013744
Circumference	131990069.5002
Area	1.3863492476309E+15

Sphere

Radius = n

Volume	3.8830481589706E+22
Surface area	5.5453969905237E+15
Circumference	131990069.5002

Square

Length = n

Perimeter	84027488
Area	441288671224384
Diagonal	29708203.285436

Cube

Length = n

Surface area	2647732027346304
Volume	9.2700946314607E+21
Space diagonal	36384969.612096

Equilateral Triangle

Length = n

Perimeter	63020616
Area	1.910835998413E+14
Altitude	18192484.806048

Triangular Pyramid

Length = n

Surface area	1.910835998413E+14
Volume	1.0924911293578E+21
Height	9902734.4284785