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

21000972 (number)

21000972 is an even 8-digits composite number following 21000971 and preceding 21000973. In scientific notation, it is written as 2.1000972 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors. There are 7000320 positive integers (up to 21000972) that are relatively prime to 21000972.

Interesting facts

21000972 has 12 divisors, whose sum is 49002296
The reverse of 21000972 is 27900012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty-one million nine hundred seventy-two

Notation

Scientific notation	2.1000972 × 10^7
Engineering notation	2.1000972 × 10^6

Prime Factorization of 21000972

Prime Factorization 2 × 2 × 3 × 1750081

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10500486	Product of the distinct prime numbers

The prime factorization of 21000972 is 2 × 2 × 3 × 1750081. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 60, 77, 48, 716, 8122, 6274, 22523, 19891, 26052, 330197, 137331, 3938812, 10999307, 71956395, 348925045, 285761888, 2826831977, 7415987851

Basic calculations (n = 21000972)

Multiplication

n×y

n×2	42001944
n×3	63002916
n×4	84003888
n×5	105004860

Division

n÷y

n÷2	10500486
n÷3	7000324
n÷3	5250243
n÷5	4200194.4

Exponentiation

n^y

n²	441040824944784
n³	9.2622860155223E+21
n⁴	1.9451700926798E+29
n⁵	4.0850462651605E+36

Nth Root

^y√n

²√n	4582.6817476233
³√n	275.89667419831
⁴√n	67.695507588195
⁵√n	29.137204305534

Divisors of 21000972

1, 2, 3, 4, 6, 12, 1750081, 3500162, 5250243, 7000324, 10500486, 21000972

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000971	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000972 can be divided by 12 positive divisors. The sum of these divisors (counting 21000972) is 1, the average is 0.083333333333333.

Base conversion 21000972

Base	System	Value
2	Binary	1010000000111001100001100
3	Ternary	1110111221220210
4	Quaternary	1100013030030
5	Quinary	20334012342
6	Senary	2030042420
8	Octal	120071414
10	Decimal	21000972
12	Duodecimal	7049410
16	Hexadecimal	140730c
20	Vigesimal	6b528c
36	Base36	ci4gc

Cryptographic Hash Functions

md5	9e22304dd14ca5c9fbac256fda6bc199
sha1	351cff5fe819ff8f4c231874dbf13a4c7ff682e9
sha256	c4e5500da367f7969444a7f0b1910689748e7ae5c1df20cbb5eb48e6c8b5977e
sha512	b65e9f0ca86e7f414d1e046728c78a0308c9ce0710c640d88010892dcb2eee9a20ba4f9e0bdd47bc38f4abb9fbec74fff8214f34ea89b0ac9da6cfbe82e4a6df
ripemd-160	195a287c991ade7c666268d398d90c8dba96028d

21000972 as geometric shapes

Circle

Radius = n

Diameter	42001944
Circumference	131952998.70689
Area	1.3855706155797E+15

Sphere

Radius = n

Volume	3.879777293575E+22
Surface area	5.5422824623189E+15
Circumference	131952998.70689

Square

Length = n

Perimeter	84003888
Area	441040824944784
Diagonal	29699859.425418

Cube

Length = n

Surface area	2646244949668704
Volume	9.2622860155223E+21
Space diagonal	36374750.512331

Equilateral Triangle

Length = n

Perimeter	63002916
Area	1.9097627925411E+14
Altitude	18187375.256166

Triangular Pyramid

Length = n

Surface area	1.9097627925411E+14
Volume	1.0915708751442E+21
Height	9899953.1418059