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

21521639 (number)

21521639 is an odd 8-digits composite number following 21521638 and preceding 21521640. In scientific notation, it is written as 2.1521639 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 21506856 positive integers (up to 21521639) that are relatively prime to 21521639.

Interesting facts

21521639 has 4 divisors, whose sum is 21536424
The reverse of 21521639 is 93612512
Previous prime number is 1637

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1521639 × 10^7
Engineering notation	2.1521639 × 10^6

Prime Factorization of 21521639

Prime Factorization 1637 × 13147

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21521639	Product of the distinct prime numbers

The prime factorization of 21521639 is 1637 × 13147. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 13, 39, 255, 566, 3736, 7335, 99065, 56640, 461418, 614268, 6071207, 8507555, 92483828, 6712166, 703098576, 935229982, 2329704588, 4162333775

Basic calculations (n = 21521639)

Multiplication

n×y

n×2	43043278
n×3	64564917
n×4	86086556
n×5	107608195

Division

n÷y

n÷2	10760819.5
n÷3	7173879.6666667
n÷3	5380409.75
n÷5	4304327.8

Exponentiation

n^y

n²	463180945246321
n³	9.9684130952701E+21
n⁴	2.1453658803928E+29
n⁵	4.617179000073E+36

Nth Root

^y√n

²√n	4639.1420543027
³√n	278.15814458339
⁴√n	68.111247634313
⁵√n	29.280269415902

Divisors of 21521639

1, 1637, 13147, 21521639

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21521638	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21521639 can be divided by 4 positive divisors. The sum of these divisors (counting 21521639) is 1, the average is 0.25.

Base conversion 21521639

Base	System	Value
2	Binary	1010010000110010011100111
3	Ternary	1111111102010202
4	Quaternary	1102012103213
5	Quinary	21002143024
6	Senary	2045141115
8	Octal	122062347
10	Decimal	21521639
12	Duodecimal	725a79b
16	Hexadecimal	14864e7
20	Vigesimal	6ea41j
36	Base36	cta7b

Cryptographic Hash Functions

md5	5f7930d7ddfb46eba35550ee0ad24ec6
sha1	92d15cb193843faee9bb17a2d5dea092923f9d0f
sha256	96ebd079ab3601935697f04741aed342ca2e1b883325fb171aa246adc245110b
sha512	9167d9016fe83d16033bd67c0930a56547b30ff1af802b0662a32c0fb575fafc057782c8c00345f4a82092296b730116083f183f1f3a37904c084b83ab6f2113
ripemd-160	848dd36b9fb881c172f7a3390553fab4887025b1

21521639 as geometric shapes

Circle

Radius = n

Diameter	43043278
Circumference	135224445.95122
Area	1.4551258548686E+15

Sphere

Radius = n

Volume	4.1755591130732E+22
Surface area	5.8205034194745E+15
Circumference	135224445.95122

Square

Length = n

Perimeter	86086556
Area	463180945246321
Diagonal	30436193.758298

Cube

Length = n

Surface area	2779085671477926
Volume	9.9684130952701E+21
Space diagonal	37276572.210156

Equilateral Triangle

Length = n

Perimeter	64564917
Area	2.005632325661E+14
Altitude	18638286.105078

Triangular Pyramid

Length = n

Surface area	2.005632325661E+14
Volume	1.1747887495557E+21
Height	10145397.919433