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

21084891 (number)

21084891 is an odd 8-digits composite number following 21084890 and preceding 21084892. In scientific notation, it is written as 2.1084891 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14056592 positive integers (up to 21084891) that are relatively prime to 21084891.

Interesting facts

21084891 has 4 divisors, whose sum is 28113192
The reverse of 21084891 is 19848012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-one million eighty-four thousand eight hundred ninety-one

Notation

Scientific notation	2.1084891 × 10^7
Engineering notation	2.1084891 × 10^6

Prime Factorization of 21084891

Prime Factorization 3 × 7028297

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21084891	Product of the distinct prime numbers

The prime factorization of 21084891 is 3 × 7028297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 6, 38, 683, 41, 3462, 7790, 58418, 15839, 31931, 966082, 5187747, 3327399, 53287042, 13959440, 847290373, 820580262, 5448154219, 6275083770

Basic calculations (n = 21084891)

Multiplication

n×y

n×2	42169782
n×3	63254673
n×4	84339564
n×5	105424455

Division

n÷y

n÷2	10542445.5
n÷3	7028297
n÷3	5271222.75
n÷5	4216978.2

Exponentiation

n^y

n²	444572628481881
n³	9.373765413124E+21
n⁴	1.9764482199529E+29
n⁵	4.1673195284851E+36

Nth Root

^y√n

²√n	4591.8287206733
³√n	276.26367628831
⁴√n	67.763033585232
⁵√n	29.160453382594

Divisors of 21084891

1, 3, 7028297, 21084891

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	-21084890	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 21084891 can be divided by 4 positive divisors. The sum of these divisors (counting 21084891) is 1, the average is 0.25.

Base conversion 21084891

Base	System	Value
2	Binary	1010000011011101011011011
3	Ternary	1110200020000220
4	Quaternary	1100123223123
5	Quinary	20344204031
6	Senary	2031531123
8	Octal	120335333
10	Decimal	21084891
12	Duodecimal	7089aa3
16	Hexadecimal	141badb
20	Vigesimal	6bfc4b
36	Base36	cjx7f

Cryptographic Hash Functions

md5	1345823b1d4b7c3ae804c2bc76653e7e
sha1	a8ae6195f6139fac1889b5d83dbb5c34f4b0a31a
sha256	a6967393edc3e1b97fc4d613612e867ed4206d95baa989ad9c0a46c01c5e7278
sha512	0c59a33a7eee5b66a0656cf23d652cb1be2e2d575b33447537a6423acb44073dea58fbe8d98ec46aef58bf187f2818c6dd5b96e312d1c3eae0003a1bd253aac3
ripemd-160	7e03285d6d99339f54dc98feeb33b0fcc1fc9444

21084891 as geometric shapes

Circle

Radius = n

Diameter	42169782
Circumference	132480277.33468
Area	1.3966661036258E+15

Sphere

Radius = n

Volume	3.9264736744459E+22
Surface area	5.5866644145031E+15
Circumference	132480277.33468

Square

Length = n

Perimeter	84339564
Area	444572628481881
Diagonal	29818538.813358

Cube

Length = n

Surface area	2667435770891286
Volume	9.373765413124E+21
Space diagonal	36520102.484052

Equilateral Triangle

Length = n

Perimeter	63254673
Area	1.9250559504627E+14
Altitude	18260051.242026

Triangular Pyramid

Length = n

Surface area	1.9250559504627E+14
Volume	1.1047088481453E+21
Height	9939512.9377861