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

21090918 (number)

21090918 is an even 8-digits composite number following 21090917 and preceding 21090919. In scientific notation, it is written as 2.1090918 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 7030304 positive integers (up to 21090918) that are relatively prime to 21090918.

Interesting facts

21090918 has 8 divisors, whose sum is 42181848
The reverse of 21090918 is 81909012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million ninety thousand nine hundred eighteen

Notation

Scientific notation	2.1090918 × 10^7
Engineering notation	2.1090918 × 10^6

Prime Factorization of 21090918

Prime Factorization 2 × 3 × 3515153

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21090918	Product of the distinct prime numbers

The prime factorization of 21090918 is 2 × 3 × 3515153. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 25, 18, 659, 68, 729, 4800, 66955, 72245, 842456, 712882, 480533, 681681, 71385333, 10944757, 248569413, 910942390, 2695897450, 7603840550

Basic calculations (n = 21090918)

Multiplication

n×y

n×2	42181836
n×3	63272754
n×4	84363672
n×5	105454590

Division

n÷y

n÷2	10545459
n÷3	7030306
n÷3	5272729.5
n÷5	4218183.6

Exponentiation

n^y

n²	444826822082724
n³	9.3818060287473E+21
n⁴	1.9787090164422E+29
n⁵	4.1732789611642E+36

Nth Root

^y√n

²√n	4592.4849482606
³√n	276.28999659755
⁴√n	67.767875488764
⁵√n	29.162120263026

Divisors of 21090918

1, 2, 3, 6, 3515153, 7030306, 10545459, 21090918

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	-21090917	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 21090918 can be divided by 8 positive divisors. The sum of these divisors (counting 21090918) is 1, the average is 0.125.

Base conversion 21090918

Base	System	Value
2	Binary	1010000011101001001100110
3	Ternary	1110200112022010
4	Quaternary	1100131021212
5	Quinary	20344402133
6	Senary	2032015050
8	Octal	120351146
10	Decimal	21090918
12	Duodecimal	7091486
16	Hexadecimal	141d266
20	Vigesimal	6bg75i
36	Base36	ck1uu

Cryptographic Hash Functions

md5	9cea9802f8a99c9489243a3c6a0fafb7
sha1	0e7d0ee76930de0d98152e7206fdec097cfd5f10
sha256	ef35a1edaf1128a083c223cf2438d9bccbedf9c447a7c945cea7382250c4cf61
sha512	ba3afaa36ecc6db63145920629471315ff43fb86a27df5cbb496b687e659a8348b4bf42a545e23ae0c196c03e923d1559bd8356fbc16f0484083f94853d85209
ripemd-160	6de6ad82bde998b6eb94e9e2e8fa4c232abddc14

21090918 as geometric shapes

Circle

Radius = n

Diameter	42181836
Circumference	132518146.09253
Area	1.3974646763748E+15

Sphere

Radius = n

Volume	3.9298417196423E+22
Surface area	5.5898587054991E+15
Circumference	132518146.09253

Square

Length = n

Perimeter	84363672
Area	444826822082724
Diagonal	29827062.278499

Cube

Length = n

Surface area	2668960932496344
Volume	9.3818060287473E+21
Space diagonal	36530541.554269

Equilateral Triangle

Length = n

Perimeter	63272754
Area	1.9261566410417E+14
Altitude	18265270.777134

Triangular Pyramid

Length = n

Surface area	1.9261566410417E+14
Volume	1.105656443784E+21
Height	9942354.0928329