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

21431531 (number)

21431531 is an odd 8-digits composite number following 21431530 and preceding 21431532. In scientific notation, it is written as 2.1431531 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 19428520 positive integers (up to 21431531) that are relatively prime to 21431531.

Interesting facts

21431531 has 8 divisors, whose sum is 23445504
The reverse of 21431531 is 13513412
Previous prime number is 383

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million four hundred thirty-one thousand five hundred thirty-one

Notation

Scientific notation	2.1431531 × 10^7
Engineering notation	2.1431531 × 10^6

Prime Factorization of 21431531

Prime Factorization 11 × 383 × 5087

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21431531	Product of the distinct prime numbers

The prime factorization of 21431531 is 11 × 383 × 5087. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 6, 16, 52, 56, 239, 4533, 1903, 45395, 32219, 492175, 553916, 8909442, 4797633, 12183125, 69793923, 480197894, 213852334, 6735553657, 8650742492

Basic calculations (n = 21431531)

Multiplication

n×y

n×2	42863062
n×3	64294593
n×4	85726124
n×5	107157655

Division

n÷y

n÷2	10715765.5
n÷3	7143843.6666667
n÷3	5357882.75
n÷5	4286306.2

Exponentiation

n^y

n²	459310521003961
n³	9.8437276695225E+21
n⁴	2.1096615470493E+29
n⁵	4.5213276845095E+36

Nth Root

^y√n

²√n	4629.420158076
³√n	277.76939885244
⁴√n	68.039842431299
⁵√n	29.255709796936

Divisors of 21431531

1, 11, 383, 4213, 5087, 55957, 1948321, 21431531

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	-21431530	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 21431531 can be divided by 8 positive divisors. The sum of these divisors (counting 21431531) is 1, the average is 0.125.

Base conversion 21431531

Base	System	Value
2	Binary	1010001110000010011101011
3	Ternary	1111022211112102
4	Quaternary	1101300103223
5	Quinary	20441302111
6	Senary	2043204015
8	Octal	121602353
10	Decimal	21431531
12	Duodecimal	721660b
16	Hexadecimal	14704eb
20	Vigesimal	6diigb
36	Base36	crcob

Cryptographic Hash Functions

md5	d2275bb4424fe17b68d90b6d639a1457
sha1	332a1370262d2dda1a1c1e955df003e46c21add6
sha256	e0397fa52675dba72525e8c8b306273d345e70243a0bae33b146d680e53a3faa
sha512	d1e3c57854e9ac6c0a8f12224f0811762e1d025cc17adf5a7506541d90987655e4b94c3547639e2e88545a22ff8bfa6d1c4e61df07792f33970b0f3c011d5bd3
ripemd-160	e4985181caea267d0c8d2dd18a377b15514f0c2d

21431531 as geometric shapes

Circle

Radius = n

Diameter	42863062
Circumference	134658280.68956
Area	1.4429665585025E+15

Sphere

Radius = n

Volume	4.1233310040681E+22
Surface area	5.7718662340102E+15
Circumference	134658280.68956

Square

Length = n

Perimeter	85726124
Area	459310521003961
Diagonal	30308761.802619

Cube

Length = n

Surface area	2755863126023766
Volume	9.8437276695225E+21
Space diagonal	37120500.575987

Equilateral Triangle

Length = n

Perimeter	64294593
Area	1.9888728970745E+14
Altitude	18560250.287994

Triangular Pyramid

Length = n

Surface area	1.9888728970745E+14
Volume	1.1600944312122E+21
Height	10102920.600873