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

21121018 (number)

21121018 is an even 8-digits composite number following 21121017 and preceding 21121019. In scientific notation, it is written as 2.1121018 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 10560508 positive integers (up to 21121018) that are relatively prime to 21121018.

Interesting facts

21121018 has 4 divisors, whose sum is 31681530
The reverse of 21121018 is 81012112
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million one hundred twenty-one thousand eighteen

Notation

Scientific notation	2.1121018 × 10^7
Engineering notation	2.1121018 × 10^6

Prime Factorization of 21121018

Prime Factorization 2 × 10560509

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21121018	Product of the distinct prime numbers

The prime factorization of 21121018 is 2 × 10560509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 69, 41, 180, 732, 4319, 5103, 47924, 48645, 802440, 114689, 2169201, 7607397, 15899084, 56559387, 844836136, 687071629, 4483145228, 34458869

Basic calculations (n = 21121018)

Multiplication

n×y

n×2	42242036
n×3	63363054
n×4	84484072
n×5	105605090

Division

n÷y

n÷2	10560509
n÷3	7040339.3333333
n÷3	5280254.5
n÷5	4224203.6

Exponentiation

n^y

n²	446097401356324
n³	9.4220312438001E+21
n⁴	1.9900289149687E+29
n⁵	4.2031436533573E+36

Nth Root

^y√n

²√n	4595.7608728044
³√n	276.42137029756
⁴√n	67.792041367733
⁵√n	29.170439286007

Divisors of 21121018

1, 2, 10560509, 21121018

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	-21121017	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 21121018 can be divided by 4 positive divisors. The sum of these divisors (counting 21121018) is 1, the average is 0.25.

Base conversion 21121018

Base	System	Value
2	Binary	1010000100100011111111010
3	Ternary	1110202001120221
4	Quaternary	1100210133322
5	Quinary	20401333033
6	Senary	2032410254
8	Octal	120443772
10	Decimal	21121018
12	Duodecimal	70a698a
16	Hexadecimal	14247fa
20	Vigesimal	6c02ai
36	Base36	ckp2y

Cryptographic Hash Functions

md5	04b393733e4cbc3a7f136ec525e5433a
sha1	09faa9bd10798c76cd1e043dcb61c986d411e1e6
sha256	442a7a8d50d20918363883fc9def1f4e02a4f04edc09da13b02604db9107d9e7
sha512	1a7f12375a500a4c15d26738ae24a8cc1c3bf0b9286577e2362de5d51cff69754a09e208abaaf8115537ff3c6aa510d49bd79537798685af428e46e034e29ec7
ripemd-160	05b8d4279d03bfee473d39f47a370286d5df29f7

21121018 as geometric shapes

Circle

Radius = n

Diameter	42242036
Circumference	132707269.97028
Area	1.4014563188865E+15

Sphere

Radius = n

Volume	3.9466912183221E+22
Surface area	5.6058252755461E+15
Circumference	132707269.97028

Square

Length = n

Perimeter	84484072
Area	446097401356324
Diagonal	29869630.106726

Cube

Length = n

Surface area	2676584408137944
Volume	9.4220312438001E+21
Space diagonal	36582676.283577

Equilateral Triangle

Length = n

Perimeter	63363054
Area	1.931658410684E+14
Altitude	18291338.141788

Triangular Pyramid

Length = n

Surface area	1.931658410684E+14
Volume	1.1103970308404E+21
Height	9956543.3689088