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

21531639 (number)

21531639 is an odd 8-digits composite number following 21531638 and preceding 21531640. In scientific notation, it is written as 2.1531639 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13073280 positive integers (up to 21531639) that are relatively prime to 21531639.

Interesting facts

21531639 has 8 divisors, whose sum is 23045040
The reverse of 21531639 is 93613512
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.1531639 × 10^7
Engineering notation	2.1531639 × 10^6

Prime Factorization of 21531639

Prime Factorization 93 × 17 × 13619

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21531639	Product of the distinct prime numbers

The prime factorization of 21531639 is 93 × 17 × 13619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 84, 74, 807, 290, 4712, 223, 93481, 91734, 507957, 59298, 295430, 2520407, 24506065, 63523269, 400638628, 811068978, 1403924369, 9059486502

Basic calculations (n = 21531639)

Multiplication

n×y

n×2	43063278
n×3	64594917
n×4	86126556
n×5	107658195

Division

n÷y

n÷2	10765819.5
n÷3	7177213
n÷3	5382909.75
n÷5	4306327.8

Exponentiation

n^y

n²	463611478026321
n³	9.9823149811192E+21
n⁴	2.1493560255775E+29
n⁵	4.6279158025209E+36

Nth Root

^y√n

²√n	4640.2197146256
³√n	278.20121984573
⁴√n	68.119158205497
⁵√n	29.282989917711

Divisors of 21531639

1, 17, 93, 1581, 13619, 231523, 1266567, 21531639

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	-21531638	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 21531639 can be divided by 8 positive divisors. The sum of these divisors (counting 21531639) is 1, the average is 0.125.

Base conversion 21531639

Base	System	Value
2	Binary	1010010001000101111110111
3	Ternary	1111111220212010
4	Quaternary	1102020233313
5	Quinary	21003003024
6	Senary	2045255303
8	Octal	122105767
10	Decimal	21531639
12	Duodecimal	7264533
16	Hexadecimal	1488bf7
20	Vigesimal	6eb91j
36	Base36	cthx3

Cryptographic Hash Functions

md5	090aebced9978c69f1714eb26cb33078
sha1	346ba8e7e467dfad826b75e490dc0e0f0f375bb8
sha256	35c5ffff1ccef7cbad592af2ab283ec77b9df2516ca498a7373765bd10fa7dcb
sha512	6db579c26f1741f73d022668b0ac8fe8aeb979f227345415d7fbef0f98d4c8c112ab1ddd83a612478256972fce8020a927d499dc8bc51daf8003eb4ecce68314
ripemd-160	903a3e9dc8d1a217da3be461b5e62302e2767e2d

21531639 as geometric shapes

Circle

Radius = n

Diameter	43063278
Circumference	135287277.80429
Area	1.4564784134874E+15

Sphere

Radius = n

Volume	4.1813823214004E+22
Surface area	5.8259136539496E+15
Circumference	135287277.80429

Square

Length = n

Perimeter	86126556
Area	463611478026321
Diagonal	30450335.893921

Cube

Length = n

Surface area	2781668868157926
Volume	9.9823149811192E+21
Space diagonal	37293892.718232

Equilateral Triangle

Length = n

Perimeter	64594917
Area	2.0074965872842E+14
Altitude	18646946.359116

Triangular Pyramid

Length = n

Surface area	2.0074965872842E+14
Volume	1.1764271025149E+21
Height	10150111.96464