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

21609991 (number)

21609991 is an odd 8-digits composite number following 21609990 and preceding 21609992. In scientific notation, it is written as 2.1609991 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19947672 positive integers (up to 21609991) that are relatively prime to 21609991.

Interesting facts

21609991 has 4 divisors, whose sum is 23272312
The reverse of 21609991 is 19990612
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty-one million six hundred nine thousand nine hundred ninety-one

Notation

Scientific notation	2.1609991 × 10^7
Engineering notation	2.1609991 × 10^6

Prime Factorization of 21609991

Prime Factorization 13 × 1662307

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21609991	Product of the distinct prime numbers

The prime factorization of 21609991 is 13 × 1662307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 9, 90, 660, 866, 6928, 563, 88797, 795, 214277, 316580, 2922876, 8928397, 30851434, 3527995, 737071104, 158013612, 1003943468, 345465340

Basic calculations (n = 21609991)

Multiplication

n×y

n×2	43219982
n×3	64829973
n×4	86439964
n×5	108049955

Division

n÷y

n÷2	10804995.5
n÷3	7203330.3333333
n÷3	5402497.75
n÷5	4321998.2

Exponentiation

n^y

n²	466991711020081
n³	1.0091686672219E+22
n⁴	2.1808125816146E+29
n⁵	4.7127340261379E+36

Nth Root

^y√n

²√n	4648.6547516459
³√n	278.53826239252
⁴√n	68.181043931916
⁵√n	29.304270680109

Divisors of 21609991

1, 13, 1662307, 21609991

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	-21609990	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 21609991 can be divided by 4 positive divisors. The sum of these divisors (counting 21609991) is 1, the average is 0.25.

Base conversion 21609991

Base	System	Value
2	Binary	1010010011011111000000111
3	Ternary	1111122220100001
4	Quaternary	1102123320013
5	Quinary	21013004431
6	Senary	2051102131
8	Octal	122337007
10	Decimal	21609991
12	Duodecimal	72a1947
16	Hexadecimal	149be07
20	Vigesimal	6f14jb
36	Base36	cv6dj

Cryptographic Hash Functions

md5	e3f8b112eab02abec9f500d4090a8482
sha1	088676a22053f262e712ade86cf79f36dbf5b5bc
sha256	9f880ea651b7c749584894a56385a8140e8d372438c7c3dac7a204546ce8d6fe
sha512	3796d2b512a1df59710050ea4f873029300974585e7118819e769fd3411acb44f7288838ccc4685fcd4fc77428d7aef0f1560341a928669a95977185bef6bc6f
ripemd-160	992a2ddd00acdc67efc1143bbd6aa542ad576b99

21609991 as geometric shapes

Circle

Radius = n

Diameter	43219982
Circumference	135779577.93948
Area	1.467097728628E+15

Sphere

Radius = n

Volume	4.2271958282362E+22
Surface area	5.8683909145121E+15
Circumference	135779577.93948

Square

Length = n

Perimeter	86439964
Area	466991711020081
Diagonal	30561142.354961

Cube

Length = n

Surface area	2801950266120486
Volume	1.0091686672219E+22
Space diagonal	37429602.363106

Equilateral Triangle

Length = n

Perimeter	64829973
Area	2.0221334255008E+14
Altitude	18714801.181553

Triangular Pyramid

Length = n

Surface area	2.0221334255008E+14
Volume	1.1893166799226E+21
Height	10187047.451654