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

21490531 (number)

21490531 is an odd 8-digits prime number following 21490530 and preceding 21490532. In scientific notation, it is written as 2.1490531 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 21490530 positive integers (up to 21490531) that are relatively prime to 21490531.

Interesting facts

21490531 has 2 divisors, whose sum is 21490532
The reverse of 21490531 is 13509412
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 five hundred thirty-one

Notation

Scientific notation	2.1490531 × 10^7
Engineering notation	2.1490531 × 10^6

Prime Factorization of 21490531

Prime Factorization 21490531

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21490531	Product of the distinct prime numbers

The prime factorization of 21490531 is 21490531. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 9, 83, 84, 326, 45, 7332, 1636, 4581, 73448, 492852, 981428, 3662124, 6264453, 37543110, 7079420, 163254909, 700810105, 6661846988, 742010254

Basic calculations (n = 21490531)

Multiplication

n×y

n×2	42981062
n×3	64471593
n×4	85962124
n×5	107452655

Division

n÷y

n÷2	10745265.5
n÷3	7163510.3333333
n÷3	5372632.75
n÷5	4298106.2

Exponentiation

n^y

n²	461842922661961
n³	9.9252496465975E+21
n⁴	2.1329888521294E+29
n⁵	4.5839063049342E+36

Nth Root

^y√n

²√n	4635.7880667692
³√n	278.02406068168
⁴√n	68.086621789961
⁵√n	29.271800007916

Divisors of 21490531

1, 21490531

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21490532	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10745266	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4635.7881746258	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999069358	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490531 can be divided by 2 positive divisors. The sum of these divisors (counting 21490531) is 21490532, the average is 10745266.

Base conversion 21490531

Base	System	Value
2	Binary	1010001111110101101100011
3	Ternary	1111102211110121
4	Quaternary	1101332231203
5	Quinary	21000144111
6	Senary	2044341111
8	Octal	121765543
10	Decimal	21490531
12	Duodecimal	7244797
16	Hexadecimal	147eb63
20	Vigesimal	6e666b
36	Base36	csm77

Cryptographic Hash Functions

md5	18e086e901b1c4647b94c5b8564bae89
sha1	57ebf8c200f9cfaf6e841cb70bbeb398e63ad88f
sha256	a2bb2efcf66cd5eeb4c141dd44f858e804211771d335add268410fa29c7b1cac
sha512	141659b347048f4c148f4116a6939f91018da5351af629acdfff9691442e9226c591021f04a78c2cf640f097300a4a2cc5e13a4b3d925b8703d3ed550954539d
ripemd-160	7f722b5aa34c1acbcb157c3122b73991b87d4112

21490531 as geometric shapes

Circle

Radius = n

Diameter	42981062
Circumference	135028988.62269
Area	1.4509223329473E+15

Sphere

Radius = n

Volume	4.1574788499727E+22
Surface area	5.803689331789E+15
Circumference	135028988.62269

Square

Length = n

Perimeter	85962124
Area	461842922661961
Diagonal	30392200.402799

Cube

Length = n

Surface area	2771057535971766
Volume	9.9252496465975E+21
Space diagonal	37222691.573634

Equilateral Triangle

Length = n

Perimeter	64471593
Area	1.9998385179166E+14
Altitude	18611345.786817

Triangular Pyramid

Length = n

Surface area	1.9998385179166E+14
Volume	1.1697018883464E+21
Height	10130733.4676