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

21490621 (number)

21490621 is an odd 8-digits prime number following 21490620 and preceding 21490622. In scientific notation, it is written as 2.1490621 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 21490620 positive integers (up to 21490621) that are relatively prime to 21490621.

Interesting facts

21490621 has 2 divisors, whose sum is 21490622
The reverse of 21490621 is 12609412
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million four hundred ninety thousand six hundred twenty-one

Notation

Scientific notation	2.1490621 × 10^7
Engineering notation	2.1490621 × 10^6

Prime Factorization of 21490621

Prime Factorization 21490621

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21490621	Product of the distinct prime numbers

The prime factorization of 21490621 is 21490621. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 8, 67, 57, 445, 779, 1852, 7239, 95168, 12928, 225833, 109080, 9825547, 1440419, 77541655, 89540039, 447694637, 114195088, 1413415148, 6320763031

Basic calculations (n = 21490621)

Multiplication

n×y

n×2	42981242
n×3	64471863
n×4	85962484
n×5	107453105

Division

n÷y

n÷2	10745310.5
n÷3	7163540.3333333
n÷3	5372655.25
n÷5	4298124.2

Exponentiation

n^y

n²	461846790965641
n³	9.9253743447088E+21
n⁴	2.1330245832526E+29
n⁵	4.5840022902365E+36

Nth Root

^y√n

²√n	4635.7977738465
³√n	278.02444879262
⁴√n	68.086693074686
⁵√n	29.271824525296

Divisors of 21490621

1, 21490621

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21490622	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10745311	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4635.7978817028	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999069362	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490621 can be divided by 2 positive divisors. The sum of these divisors (counting 21490621) is 21490622, the average is 10745311.

Base conversion 21490621

Base	System	Value
2	Binary	1010001111110101110111101
3	Ternary	1111102211120221
4	Quaternary	1101332232331
5	Quinary	21000144441
6	Senary	2044341341
8	Octal	121765675
10	Decimal	21490621
12	Duodecimal	7244851
16	Hexadecimal	147ebbd
20	Vigesimal	6e66b1
36	Base36	csm9p

Cryptographic Hash Functions

md5	fd313d2a5e5455637c89366a4300b779
sha1	198e6233a8df07ccad10bd912044c60e5401dd8a
sha256	a65fa512f95f4a519725f1390304f8c68b6a1f3f9e2c496376a4e2e49db21065
sha512	1a75cf5305fa5ce17fc9c3cda0b4833b4a9de36123f822640cff545554b18e6f4e5b2a9052fd92ea1752d5c60ba360b15829f8dc4d99e1ae74b167bb0931c2c2
ripemd-160	0f175129d4d7d6ee47dceebd12698d97bc9c4e43

21490621 as geometric shapes

Circle

Radius = n

Diameter	42981242
Circumference	135029554.10937
Area	1.4509344855817E+15

Sphere

Radius = n

Volume	4.1575310833954E+22
Surface area	5.8037379423267E+15
Circumference	135029554.10937

Square

Length = n

Perimeter	85962484
Area	461846790965641
Diagonal	30392327.68202

Cube

Length = n

Surface area	2771080745793846
Volume	9.9253743447088E+21
Space diagonal	37222847.458207

Equilateral Triangle

Length = n

Perimeter	64471863
Area	1.9998552681628E+14
Altitude	18611423.729103

Triangular Pyramid

Length = n

Surface area	1.9998552681628E+14
Volume	1.1697165841598E+21
Height	10130775.894007