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

21902009 (number)

21902009 is an odd 8-digits composite number following 21902008 and preceding 21902010. In scientific notation, it is written as 2.1902009 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 21490000 positive integers (up to 21902009) that are relatively prime to 21902009.

Interesting facts

21902009 has 8 divisors, whose sum is 22317120
The reverse of 21902009 is 90020912
Previous prime number is 251

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million nine hundred two thousand nine

Notation

Scientific notation	2.1902009 × 10^7
Engineering notation	2.1902009 × 10^6

Prime Factorization of 21902009

Prime Factorization 71 × 251 × 1229

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21902009	Product of the distinct prime numbers

The prime factorization of 21902009 is 71 × 251 × 1229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 21, 84, 860, 398, 8098, 9484, 25641, 98828, 96857, 149269, 260787, 9936261, 67395693, 4642775, 581418945, 657842444, 4735751908, 5536336739

Basic calculations (n = 21902009)

Multiplication

n×y

n×2	43804018
n×3	65706027
n×4	87608036
n×5	109510045

Division

n÷y

n÷2	10951004.5
n÷3	7300669.6666667
n÷3	5475502.25
n÷5	4380401.8

Exponentiation

n^y

n²	479697998236081
n³	1.0506349874649E+22
n⁴	2.301101695117E+29
n⁵	5.0398750036368E+36

Nth Root

^y√n

²√n	4679.9582263093
³√n	279.78729168354
⁴√n	68.410220189013
⁵√n	29.38304434885

Divisors of 21902009

1, 71, 251, 1229, 17821, 87259, 308479, 21902009

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	-21902008	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 21902009 can be divided by 8 positive divisors. The sum of these divisors (counting 21902009) is 1, the average is 0.125.

Base conversion 21902009

Base	System	Value
2	Binary	1010011100011001010111001
3	Ternary	1112012201220112
4	Quaternary	1103203022321
5	Quinary	21101331014
6	Senary	2101234105
8	Octal	123431271
10	Decimal	21902009
12	Duodecimal	7402935
16	Hexadecimal	14e32b9
20	Vigesimal	6ghf09
36	Base36	d1fp5

Cryptographic Hash Functions

md5	1916315d838c9c0141f617baf3c7f2ec
sha1	c07cc89bb9cc8109113e5469bf2acf309d6b41dd
sha256	cabe36a188903ad7f242369b5ef794e9103c1f3ed7d135a1099cf3b48bed8ee8
sha512	9d3d5bf6aef103036092a22f632b7d011cde0013b7aa7af56ae548dbce170d51230763de2430b8c46695ab1caccf331a6f7f277e30d69f111b3ff4ba184d9e4b
ripemd-160	8cff5f8f382a842e91e9b3000fd21955fae704d1

21902009 as geometric shapes

Circle

Radius = n

Diameter	43804018
Circumference	137614381.14652
Area	1.5070157072002E+15

Sphere

Radius = n

Volume	4.4008895442987E+22
Surface area	6.0280628288008E+15
Circumference	137614381.14652

Square

Length = n

Perimeter	87608036
Area	479697998236081
Diagonal	30974118.171018

Cube

Length = n

Surface area	2878187989416486
Volume	1.0506349874649E+22
Space diagonal	37935392.375831

Equilateral Triangle

Length = n

Perimeter	65706027
Area	2.0771532630849E+14
Altitude	18967696.187915

Triangular Pyramid

Length = n

Surface area	2.0771532630849E+14
Volume	1.2381852069804E+21
Height	10324706.057006