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

21531907 (number)

21531907 is an odd 8-digits prime number following 21531906 and preceding 21531908. In scientific notation, it is written as 2.1531907 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 21531906 positive integers (up to 21531907) that are relatively prime to 21531907.

Interesting facts

21531907 has 2 divisors, whose sum is 21531908
The reverse of 21531907 is 70913512
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.1531907 × 10^7
Engineering notation	2.1531907 × 10^6

Prime Factorization of 21531907

Prime Factorization 21531907

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21531907	Product of the distinct prime numbers

The prime factorization of 21531907 is 21531907. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 4, 45, 63, 864, 923, 8093, 234, 18858, 9613, 710840, 719175, 1117409, 1012640, 5066628, 89447562, 735978993, 137940124, 896339008, 1575957369

Basic calculations (n = 21531907)

Multiplication

n×y

n×2	43063814
n×3	64595721
n×4	86127628
n×5	107659535

Division

n÷y

n÷2	10765953.5
n÷3	7177302.3333333
n÷3	5382976.75
n÷5	4306381.4

Exponentiation

n^y

n²	463623019056649
n³	9.982687729387E+21
n⁴	2.149463037992E+29
n⁵	4.6282038233982E+36

Nth Root

^y√n

²√n	4640.2485924786
³√n	278.20237407923
⁴√n	68.119370170889
⁵√n	29.283062813251

Divisors of 21531907

1, 21531907

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21531908	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10765954	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4640.2487002315	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999071146	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21531907 can be divided by 2 positive divisors. The sum of these divisors (counting 21531907) is 21531908, the average is 10765954.

Base conversion 21531907

Base	System	Value
2	Binary	1010010001000110100000011
3	Ternary	1111111221020001
4	Quaternary	1102020310003
5	Quinary	21003010112
6	Senary	2045300431
8	Octal	122106403
10	Decimal	21531907
12	Duodecimal	7264717
16	Hexadecimal	1488d03
20	Vigesimal	6eb9f7
36	Base36	cti4j

Cryptographic Hash Functions

md5	7ff051037e4aa31b7cb1aa1053ff5f73
sha1	ab12caa69a7dcb2af71dc9684b8b80fa19c9c178
sha256	75b03040ab6fa687e7b00a947e85b22c663e4a1e7bee36dcd9508e0dd8e99249
sha512	5c8cdf7bd6f01b8b92db200bc08ff647b952650ee358fafc2feb9e896e25e467ee04bf942d5d23f2a1a5a459664988ac018d96904ed9580d8594233c32b29661
ripemd-160	599794450f576c18a28720f2140363ab657ce92b

21531907 as geometric shapes

Circle

Radius = n

Diameter	43063814
Circumference	135288961.69796
Area	1.4565146707035E+15

Sphere

Radius = n

Volume	4.1815384578298E+22
Surface area	5.826058682814E+15
Circumference	135288961.69796

Square

Length = n

Perimeter	86127628
Area	463623019056649
Diagonal	30450714.903156

Cube

Length = n

Surface area	2781738114339894
Volume	9.982687729387E+21
Space diagonal	37294356.907848

Equilateral Triangle

Length = n

Perimeter	64595721
Area	2.0075465614115E+14
Altitude	18647178.453924

Triangular Pyramid

Length = n

Surface area	2.0075465614115E+14
Volume	1.1764710313195E+21
Height	10150238.301052