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

21931513 (number)

21931513 is an odd 8-digits composite number following 21931512 and preceding 21931514. In scientific notation, it is written as 2.1931513 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 20302080 positive integers (up to 21931513) that are relatively prime to 21931513.

Interesting facts

21931513 has 8 divisors, whose sum is 23603400
The reverse of 21931513 is 31513912
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million nine hundred thirty-one thousand five hundred thirteen

Notation

Scientific notation	2.1931513 × 10^7
Engineering notation	2.1931513 × 10^6

Prime Factorization of 21931513

Prime Factorization 61 × 17 × 21149

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21931513	Product of the distinct prime numbers

The prime factorization of 21931513 is 61 × 17 × 21149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 31, 50, 639, 106, 9837, 3460, 94027, 45960, 889974, 824565, 3925559, 3252890, 611928, 5345461, 600255804, 83755576, 6243751569, 5020905238

Basic calculations (n = 21931513)

Multiplication

n×y

n×2	43863026
n×3	65794539
n×4	87726052
n×5	109657565

Division

n÷y

n÷2	10965756.5
n÷3	7310504.3333333
n÷3	5482878.25
n÷5	4386302.6

Exponentiation

n^y

n²	480991262469169
n³	1.0548866125729E+22
n⁴	2.3135259457169E+29
n⁵	5.0739124354326E+36

Nth Root

^y√n

²√n	4683.1093303488
³√n	279.91286829693
⁴√n	68.433247258542
⁵√n	29.390956413821

Divisors of 21931513

1, 17, 61, 1037, 21149, 359533, 1290089, 21931513

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	-21931512	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 21931513 can be divided by 8 positive divisors. The sum of these divisors (counting 21931513) is 1, the average is 0.125.

Base conversion 21931513

Base	System	Value
2	Binary	1010011101010010111111001
3	Ternary	1112021020101021
4	Quaternary	1103222113321
5	Quinary	21103302023
6	Senary	2102022441
8	Octal	123522771
10	Decimal	21931513
12	Duodecimal	7417a21
16	Hexadecimal	14ea5f9
20	Vigesimal	6h18fd
36	Base36	d22gp

Cryptographic Hash Functions

md5	da67cba6af949674bde6d2777a6920cd
sha1	36353527fdb9a25568cc568691974c73a8177363
sha256	8297f196e41dbf66a3c00823572caf30b362e110a057c2031d24c6ecff1cce31
sha512	a4adf19bb1308c081d39395eaf93d3fb8ee3174380336512901a4441d399f4fbf27d725bde76f02062ac311aa68a8a9811884473885552ee590bf110aad07b6f
ripemd-160	f4cb10be5246e91e844439cce756846cd588623a

21931513 as geometric shapes

Circle

Radius = n

Diameter	43863026
Circumference	137799760.24582
Area	1.511078616614E+15

Sphere

Radius = n

Volume	4.4186987099057E+22
Surface area	6.0443144664561E+15
Circumference	137799760.24582

Square

Length = n

Perimeter	87726052
Area	480991262469169
Diagonal	31015843.127962

Cube

Length = n

Surface area	2885947574815014
Volume	1.0548866125729E+22
Space diagonal	37986494.802857

Equilateral Triangle

Length = n

Perimeter	65794539
Area	2.0827532614832E+14
Altitude	18993247.401429

Triangular Pyramid

Length = n

Surface area	2.0827532614832E+14
Volume	1.243195795222E+21
Height	10338614.375987