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

21109861 (number)

21109861 is an odd 8-digits composite number following 21109860 and preceding 21109862. In scientific notation, it is written as 2.1109861 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20618892 positive integers (up to 21109861) that are relatively prime to 21109861.

Interesting facts

21109861 has 4 divisors, whose sum is 21600832
The reverse of 21109861 is 16890112
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million one hundred nine thousand eight hundred sixty-one

Notation

Scientific notation	2.1109861 × 10^7
Engineering notation	2.1109861 × 10^6

Prime Factorization of 21109861

Prime Factorization 43 × 490927

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21109861	Product of the distinct prime numbers

The prime factorization of 21109861 is 43 × 490927. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 4, 13, 54, 701, 377, 6278, 4676, 88142, 43811, 72064, 775056, 1534930, 3703023, 99061601, 50115296, 216963171, 64431759, 7854149873, 8391783106

Basic calculations (n = 21109861)

Multiplication

n×y

n×2	42219722
n×3	63329583
n×4	84439444
n×5	105549305

Division

n÷y

n÷2	10554930.5
n÷3	7036620.3333333
n÷3	5277465.25
n÷5	4221972.2

Exponentiation

n^y

n²	445626231439321
n³	9.4071078036379E+21
n⁴	1.9858273814681E+29
n⁵	4.1920539992786E+36

Nth Root

^y√n

²√n	4594.5468764613
³√n	276.37268930396
⁴√n	67.783086949926
⁵√n	29.167356826815

Divisors of 21109861

1, 43, 490927, 21109861

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	-21109860	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 21109861 can be divided by 4 positive divisors. The sum of these divisors (counting 21109861) is 1, the average is 0.25.

Base conversion 21109861

Base	System	Value
2	Binary	1010000100001110001100101
3	Ternary	1110201111021201
4	Quaternary	1100201301211
5	Quinary	20401003421
6	Senary	2032242501
8	Octal	120416145
10	Decimal	21109861
12	Duodecimal	70a0431
16	Hexadecimal	1421c65
20	Vigesimal	6bied1
36	Base36	ckgh1

Cryptographic Hash Functions

md5	3a35473b1088b9891f89020009f82ce2
sha1	0e90a6211d53ad408da335f9f6c9d4739217fb0a
sha256	043f80c26a49c8f050dcccbf9b1fdc8a4bdcc3d8ccd73664b1e332c0aa58cd3c
sha512	93aa01aaa0b97197b6d8593bce5ce0268b354b5695228084c23908bab16b25c190464a71fca69c4abf95a6636c5d6d39ce26f8f4dfd25bc93df0a1eac8971948
ripemd-160	afa5dd27d518d06aa42fd6c530aeaa3115d83446

21109861 as geometric shapes

Circle

Radius = n

Diameter	42219722
Circumference	132637168.4718
Area	1.3999760949367E+15

Sphere

Radius = n

Volume	3.9404401023248E+22
Surface area	5.5999043797467E+15
Circumference	132637168.4718

Square

Length = n

Perimeter	84439444
Area	445626231439321
Diagonal	29853851.726011

Cube

Length = n

Surface area	2673757388635926
Volume	9.4071078036379E+21
Space diagonal	36563351.792717

Equilateral Triangle

Length = n

Perimeter	63329583
Area	1.9296181850959E+14
Altitude	18281675.896358

Triangular Pyramid

Length = n

Surface area	1.9296181850959E+14
Volume	1.1086382865509E+21
Height	9951283.9086703