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

21131279 (number)

21131279 is an odd 8-digits composite number following 21131278 and preceding 21131280. In scientific notation, it is written as 2.1131279 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 19505784 positive integers (up to 21131279) that are relatively prime to 21131279.

Interesting facts

21131279 has 4 divisors, whose sum is 22756776
The reverse of 21131279 is 97213112
Previous prime number is 13

Basic properties

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

Name

Name	twenty-one million one hundred thirty-one thousand two hundred seventy-nine

Notation

Scientific notation	2.1131279 × 10^7
Engineering notation	2.1131279 × 10^6

Prime Factorization of 21131279

Prime Factorization 13 × 1625483

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21131279	Product of the distinct prime numbers

The prime factorization of 21131279 is 13 × 1625483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 4, 46, 46, 208, 175, 7245, 7264, 66639, 41354, 550466, 84988, 5194532, 5046853, 98548718, 1592546, 262572969, 235182301, 9788382660, 1344507550

Basic calculations (n = 21131279)

Multiplication

n×y

n×2	42262558
n×3	63393837
n×4	84525116
n×5	105656395

Division

n÷y

n÷2	10565639.5
n÷3	7043759.6666667
n÷3	5282819.75
n÷5	4226255.8

Exponentiation

n^y

n²	446530952175841
n³	9.4357701325634E+21
n⁴	1.9938989125106E+29
n⁵	4.2133634218059E+36

Nth Root

^y√n

²√n	4596.8770921137
³√n	276.46612667065
⁴√n	67.80027354011
⁵√n	29.173273048363

Divisors of 21131279

1, 13, 1625483, 21131279

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	-21131278	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 21131279 can be divided by 4 positive divisors. The sum of these divisors (counting 21131279) is 1, the average is 0.25.

Base conversion 21131279

Base	System	Value
2	Binary	1010000100111000000001111
3	Ternary	1110202120122222
4	Quaternary	1100213000033
5	Quinary	20402200104
6	Senary	2032525555
8	Octal	120470017
10	Decimal	21131279
12	Duodecimal	70b08bb
16	Hexadecimal	142700f
20	Vigesimal	6c183j
36	Base36	ckwzz

Cryptographic Hash Functions

md5	649fc1311c3e66f7603aac2efd4325cc
sha1	eafb1947be2b096fbcf20512fe04eff00b54d8e4
sha256	0a7cc392c89390181ce901766581739ca47639c1857edf57856a9e825d2dba1e
sha512	6dee41e740e1f7dbe4f44d85fc43d593761c90689a2985350b143b77345020c53488acd442a1b626893e5a6f19ebbb6cf5774131e9b039812216e22c3cc52b6a
ripemd-160	22ee7a69ee5d06f55cbc54288a2e22dd69a6bee8

21131279 as geometric shapes

Circle

Radius = n

Diameter	42262558
Circumference	132771741.73471
Area	1.4028183589561E+15

Sphere

Radius = n

Volume	3.9524461505897E+22
Surface area	5.6112734358243E+15
Circumference	132771741.73471

Square

Length = n

Perimeter	84525116
Area	446530952175841
Diagonal	29884141.35209

Cube

Length = n

Surface area	2679185713055046
Volume	9.4357701325634E+21
Space diagonal	36600448.856913

Equilateral Triangle

Length = n

Perimeter	63393837
Area	1.9335357408017E+14
Altitude	18300224.428457

Triangular Pyramid

Length = n

Surface area	1.9335357408017E+14
Volume	1.1120161744088E+21
Height	9961380.4506966