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

21001531 (number)

21001531 is an odd 8-digits prime number following 21001530 and preceding 21001532. In scientific notation, it is written as 2.1001531 × 10^7. The sum of its digits is 13. It has a total of 1 prime factors and 2 positive divisors. There are 21001530 positive integers (up to 21001531) that are relatively prime to 21001531.

Interesting facts

21001531 has 2 divisors, whose sum is 21001532
The reverse of 21001531 is 13510012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4

Name

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

Notation

Scientific notation	2.1001531 × 10^7
Engineering notation	2.1001531 × 10^6

Prime Factorization of 21001531

Prime Factorization 21001531

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21001531	Product of the distinct prime numbers

The prime factorization of 21001531 is 21001531. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 7, 76, 45, 674, 151, 778, 4520, 81420, 28674, 572401, 281888, 8703205, 4563920, 83950597, 46446185, 401826933, 35973172, 8083872128, 9112458092

Basic calculations (n = 21001531)

Multiplication

n×y

n×2	42003062
n×3	63004593
n×4	84006124
n×5	105007655

Division

n÷y

n÷2	10500765.5
n÷3	7000510.3333333
n÷3	5250382.75
n÷5	4200306.2

Exponentiation

n^y

n²	441064304343961
n³	9.2630256606731E+21
n⁴	1.9453772056642E+29
n⁵	4.0855899691451E+36

Nth Root

^y√n

²√n	4582.7427377063
³√n	275.89912209886
⁴√n	67.695958060333
⁵√n	29.137359417629

Divisors of 21001531

1, 21001531

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21001532	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10500766	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4582.7428468113	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999047689	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21001531 can be divided by 2 positive divisors. The sum of these divisors (counting 21001531) is 21001532, the average is 10500766.

Base conversion 21001531

Base	System	Value
2	Binary	1010000000111010100111011
3	Ternary	1110111222200111
4	Quaternary	1100013110323
5	Quinary	20334022111
6	Senary	2030045151
8	Octal	120072473
10	Decimal	21001531
12	Duodecimal	70497b7
16	Hexadecimal	140753b
20	Vigesimal	6b53gb
36	Base36	ci4vv

Cryptographic Hash Functions

md5	84d32afed0a76fb8daf026fb15723948
sha1	e5d3f6e51447cbe434aacd318cf5048cb4990ebb
sha256	960db7f8fec5c36978b69440d2ae9aa43ed67fa3f6b82be5657f5168cda12b64
sha512	acf41ae6d971dac54bbd597437205ecc34f4dc323911b1cca27aa01777b0d344de7c96682e5e83564db3fd76e6039d3ca3a3a897a3730906848a42e9a4df25c6
ripemd-160	c90a7229e97e79ab0e33db4de20c9c15dded916c

21001531 as geometric shapes

Circle

Radius = n

Diameter	42003062
Circumference	131956511.00748
Area	1.3856443782877E+15

Sphere

Radius = n

Volume	3.8800871154113E+22
Surface area	5.5425775131507E+15
Circumference	131956511.00748

Square

Length = n

Perimeter	84006124
Area	441064304343961
Diagonal	29700649.970799

Cube

Length = n

Surface area	2646385826063766
Volume	9.2630256606731E+21
Space diagonal	36375718.728733

Equilateral Triangle

Length = n

Perimeter	63004593
Area	1.9098644613219E+14
Altitude	18187859.364366

Triangular Pyramid

Length = n

Surface area	1.9098644613219E+14
Volume	1.0916580431612E+21
Height	9900216.656933