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

20990971 (number)

20990971 is an odd 8-digits composite number following 20990970 and preceding 20990972. In scientific notation, it is written as 2.0990971 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 19621248 positive integers (up to 20990971) that are relatively prime to 20990971.

Interesting facts

20990971 has 8 divisors, whose sum is 22377600
The reverse of 20990971 is 17909902
Previous prime number is 149

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty million nine hundred ninety thousand nine hundred seventy-one

Notation

Scientific notation	2.0990971 × 10^7
Engineering notation	2.0990971 × 10^6

Prime Factorization of 20990971

Prime Factorization 17 × 149 × 8287

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20990971	Product of the distinct prime numbers

The prime factorization of 20990971 is 17 × 149 × 8287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 9, 31, 753, 82, 6430, 2109, 64183, 36752, 846192, 726980, 6081594, 999307, 98595836, 96313323, 693598229, 255622900, 6947785858, 7281283408

Basic calculations (n = 20990971)

Multiplication

n×y

n×2	41981942
n×3	62972913
n×4	83963884
n×5	104954855

Division

n÷y

n÷2	10495485.5
n÷3	6996990.3333333
n÷3	5247742.75
n÷5	4198194.2

Exponentiation

n^y

n²	440620863522841
n³	9.2490597682029E+21
n⁴	1.9414674537161E+29
n⁵	4.0753287018399E+36

Nth Root

^y√n

²√n	4581.5904443763
³√n	275.85287176934
⁴√n	67.687446726674
⁵√n	29.134428655873

Divisors of 20990971

1, 17, 149, 2533, 8287, 140879, 1234763, 20990971

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	-20990970	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 20990971 can be divided by 8 positive divisors. The sum of these divisors (counting 20990971) is 1, the average is 0.125.

Base conversion 20990971

Base	System	Value
2	Binary	1010000000100101111111011
3	Ternary	1110111110012101
4	Quaternary	1100010233323
5	Quinary	20333202341
6	Senary	2025524231
8	Octal	120045773
10	Decimal	20990971
12	Duodecimal	7043677
16	Hexadecimal	1404bfb
20	Vigesimal	6b3h8b
36	Base36	chwqj

Cryptographic Hash Functions

md5	2c800f314766e0dcae270f018ef590b4
sha1	27108d84c7d06f2e08b9a3c55a5f268b11499bf4
sha256	bb1a4cb44a1df6f839ce6f3869efa6d6054f6b88ea0011516077e80f22ef1b0a
sha512	8a092c8fc5477214cdefd8f34c259e59546485b0d090df241f5d06e596310464493dd30a9ce099a733aa889b36a38c984a9a9962b0d75427d60590588bc93267
ripemd-160	5a8ea881a3d68c3132ea2fb8e5f9581db09a4867

20990971 as geometric shapes

Circle

Radius = n

Diameter	41981942
Circumference	131890160.57063
Area	1.3842512678617E+15

Sphere

Radius = n

Volume	3.8742370960532E+22
Surface area	5.537005071447E+15
Circumference	131890160.57063

Square

Length = n

Perimeter	83963884
Area	440620863522841
Diagonal	29685715.87558

Cube

Length = n

Surface area	2643725181137046
Volume	9.2490597682029E+21
Space diagonal	36357428.272205

Equilateral Triangle

Length = n

Perimeter	62972913
Area	1.9079443062411E+14
Altitude	18178714.136102

Triangular Pyramid

Length = n

Surface area	1.9079443062411E+14
Volume	1.0900121469493E+21
Height	9895238.6251934