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

20991018 (number)

20991018 is an even 8-digits composite number following 20991017 and preceding 20991019. In scientific notation, it is written as 2.0991018 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 6997004 positive integers (up to 20991018) that are relatively prime to 20991018.

Interesting facts

20991018 has 8 divisors, whose sum is 41982048
The reverse of 20991018 is 81019902
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 million nine hundred ninety-one thousand eighteen

Notation

Scientific notation	2.0991018 × 10^7
Engineering notation	2.0991018 × 10^6

Prime Factorization of 20991018

Prime Factorization 2 × 3 × 3498503

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20991018	Product of the distinct prime numbers

The prime factorization of 20991018 is 2 × 3 × 3498503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 1, 86, 53, 330, 369, 7055, 2138, 47585, 55609, 439583, 89884, 3986350, 3096485, 43058663, 66977125, 302136715, 677151135, 9281056516, 476797632

Basic calculations (n = 20991018)

Multiplication

n×y

n×2	41982036
n×3	62973054
n×4	83964072
n×5	104955090

Division

n÷y

n÷2	10495509
n÷3	6997006
n÷3	5247754.5
n÷5	4198203.6

Exponentiation

n^y

n²	440622836676324
n³	9.2491218958838E+21
n⁴	1.9414848420069E+29
n⁵	4.0753743265294E+36

Nth Root

^y√n

²√n	4581.5955735966
³√n	275.85307765271
⁴√n	67.68748461567
⁵√n	29.134441702596

Divisors of 20991018

1, 2, 3, 6, 3498503, 6997006, 10495509, 20991018

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	-20991017	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 20991018 can be divided by 8 positive divisors. The sum of these divisors (counting 20991018) is 1, the average is 0.125.

Base conversion 20991018

Base	System	Value
2	Binary	1010000000100110000101010
3	Ternary	1110111110021010
4	Quaternary	1100010300222
5	Quinary	20333203033
6	Senary	2025524350
8	Octal	120046052
10	Decimal	20991018
12	Duodecimal	70436b6
16	Hexadecimal	1404c2a
20	Vigesimal	6b3hai
36	Base36	chwru

Cryptographic Hash Functions

md5	dcb35ea225581ba9c2a001bdde218f37
sha1	86da3c375ec468ba4c16f18ae3c9b85ddf15b660
sha256	d2dd652888d1b478746cb4b3db7d46e21e657d208f4a045ef80be6d2ad3e1336
sha512	0df5181e109494586e27e2bb5c114d040d770e45e5134fb47b7d4e4a50c4468ef7bfa1b791a54ae51c70b25e18131b1500a069c1962556a76bda16668aac99be
ripemd-160	a3b4743f4ffbfa03801e762608cfd2bb253e9d40

20991018 as geometric shapes

Circle

Radius = n

Diameter	41982036
Circumference	131890455.88034
Area	1.3842574667062E+15

Sphere

Radius = n

Volume	3.8742631200353E+22
Surface area	5.5370298668249E+15
Circumference	131890455.88034

Square

Length = n

Perimeter	83964072
Area	440622836676324
Diagonal	29685782.343618

Cube

Length = n

Surface area	2643737020057944
Volume	9.2491218958838E+21
Space diagonal	36357509.678593

Equilateral Triangle

Length = n

Perimeter	62973054
Area	1.9079528502463E+14
Altitude	18178754.839296

Triangular Pyramid

Length = n

Surface area	1.9079528502463E+14
Volume	1.0900194687667E+21
Height	9895260.7812059