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

21131251 (number)

21131251 is an odd 8-digits prime number following 21131250 and preceding 21131252. In scientific notation, it is written as 2.1131251 × 10^7. The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors. There are 21131250 positive integers (up to 21131251) that are relatively prime to 21131251.

Interesting facts

21131251 has 2 divisors, whose sum is 21131252
The reverse of 21131251 is 15213112
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million one hundred thirty-one thousand two hundred fifty-one

Notation

Scientific notation	2.1131251 × 10^7
Engineering notation	2.1131251 × 10^6

Prime Factorization of 21131251

Prime Factorization 21131251

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21131251	Product of the distinct prime numbers

The prime factorization of 21131251 is 21131251. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 9, 65, 86, 130, 698, 6341, 982, 54851, 79885, 379461, 675884, 8843406, 7386623, 31619177, 28706779, 433407840, 557886067, 9932055516, 7432193832

Basic calculations (n = 21131251)

Multiplication

n×y

n×2	42262502
n×3	63393753
n×4	84525004
n×5	105656255

Division

n÷y

n÷2	10565625.5
n÷3	7043750.3333333
n÷3	5282812.75
n÷5	4226250.2

Exponentiation

n^y

n²	446529768825001
n³	9.4357326240131E+21
n⁴	1.9938883444691E+29
n⁵	4.2133355072951E+36

Nth Root

^y√n

²√n	4596.8740465669
³√n	276.46600456012
⁴√n	67.800251080412
⁵√n	29.17326531715

Divisors of 21131251

1, 21131251

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21131252	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10565626	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4596.8741553364	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999053535	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131251 can be divided by 2 positive divisors. The sum of these divisors (counting 21131251) is 21131252, the average is 10565626.

Base conversion 21131251

Base	System	Value
2	Binary	1010000100110111111110011
3	Ternary	1110202120121221
4	Quaternary	1100212333303
5	Quinary	20402200001
6	Senary	2032525511
8	Octal	120467763
10	Decimal	21131251
12	Duodecimal	70b0897
16	Hexadecimal	1426ff3
20	Vigesimal	6c182b
36	Base36	ckwz7

Cryptographic Hash Functions

md5	1242921bf6341cdfa12989e3a7d44b37
sha1	fc3179063a027302d76e5e36ae8ddb4258ecc055
sha256	bce06085cfe0b7ceb9dc31bdc3bd5dac0c8b1b79ae2e6fbd65c471cfec8be0c6
sha512	ddcb478fd96c9fe37d9335368bd4159cc6a87a6866fedb953c2d8be455251059a0d477d7885fc17edcb13d606715ca6be12911b8821e8a3743c9051816dde8a9
ripemd-160	a91ebf7effd8ce34ee205dd5731787c7cabbfd6c

21131251 as geometric shapes

Circle

Radius = n

Diameter	42262502
Circumference	132771565.80552
Area	1.4028146413498E+15

Sphere

Radius = n

Volume	3.9524304390449E+22
Surface area	5.6112585653991E+15
Circumference	132771565.80552

Square

Length = n

Perimeter	84525004
Area	446529768825001
Diagonal	29884101.75411

Cube

Length = n

Surface area	2679178612950006
Volume	9.4357326240131E+21
Space diagonal	36600400.359491

Equilateral Triangle

Length = n

Perimeter	63393753
Area	1.9335306167422E+14
Altitude	18300200.179745

Triangular Pyramid

Length = n

Surface area	1.9335306167422E+14
Volume	1.1120117539838E+21
Height	9961367.25137