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

20731906 (number)

20731906 is an even 8-digits composite number following 20731905 and preceding 20731907. In scientific notation, it is written as 2.0731906 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 9440496 positive integers (up to 20731906) that are relatively prime to 20731906.

Interesting facts

20731906 has 24 divisors, whose sum is 34125840
The reverse of 20731906 is 60913702
Previous prime number is 83

Basic properties

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

Name

Name	twenty million seven hundred thirty-one thousand nine hundred six

Notation

Scientific notation	2.0731906 × 10^7
Engineering notation	2.0731906 × 10^6

Prime Factorization of 20731906

Prime Factorization 2 × 13 × 13 × 83 × 739

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	1594762	Product of the distinct prime numbers

The prime factorization of 20731906 is 2 × 13 × 13 × 83 × 739. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 8, 8, 69, 39, 848, 8949, 3553, 21016, 75673, 291781, 949235, 5521734, 351020, 50146401, 22645147, 310546958, 899928894, 4622291499, 8358327877

Basic calculations (n = 20731906)

Multiplication

n×y

n×2	41463812
n×3	62195718
n×4	82927624
n×5	103659530

Division

n÷y

n÷2	10365953
n÷3	6910635.3333333
n÷3	5182976.5
n÷5	4146381.2

Exponentiation

n^y

n²	429811926392836
n³	8.9108204556552E+21
n⁴	1.8473829206952E+29
n⁵	3.8299769057858E+36

Nth Root

^y√n

²√n	4553.2302818988
³√n	274.71333654395
⁴√n	67.477628010317
⁵√n	29.062157108058

Divisors of 20731906

1, 2, 13, 26, 83, 166, 169, 338, 739, 1079, 1478, 2158, 9607, 14027, 19214, 28054, 61337, 122674, 124891, 249782, 797381, 1594762, 10365953, 20731906

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20731905	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731906 can be divided by 24 positive divisors. The sum of these divisors (counting 20731906) is 1, the average is 0.041666666666667.

Base conversion 20731906

Base	System	Value
2	Binary	1001111000101100000000010
3	Ternary	1110000021211101
4	Quaternary	1033011200002
5	Quinary	20301410111
6	Senary	2020205014
8	Octal	117054002
10	Decimal	20731906
12	Duodecimal	6b3976a
16	Hexadecimal	13c5802
20	Vigesimal	69b9f6
36	Base36	cccua

Cryptographic Hash Functions

md5	1a13c71cefbb55c26aeccede610574ba
sha1	2eff8af702b80fc33ec9b5ed7e9932daeee2133d
sha256	f853298242677a4b15dae3d0933bd37db2d8927d9f5a5feb342b6644070b4fb1
sha512	ad4bcfd3eb1cc2eef1727004e4e157d005f55d5d496439b3c491e21d6838cae1e36f98cd2353b0991fed803ca38d15ffdfad8d50340c6c4da15c8a3eacc8bb68
ripemd-160	85887ccae946327a936d4f5994144a987826ec24

20731906 as geometric shapes

Circle

Radius = n

Diameter	41463812
Circumference	130262407.16903
Area	1.350293990381E+15

Sphere

Radius = n

Volume	3.7325557441259E+22
Surface area	5.401175961524E+15
Circumference	130262407.16903

Square

Length = n

Perimeter	82927624
Area	429811926392836
Diagonal	29319342.639044

Cube

Length = n

Surface area	2578871558357016
Volume	8.9108204556552E+21
Space diagonal	35908714.529742

Equilateral Triangle

Length = n

Perimeter	62195718
Area	1.8611402355286E+14
Altitude	17954357.264871

Triangular Pyramid

Length = n

Surface area	1.8611402355286E+14
Volume	1.0501502616883E+21
Height	9773114.2130147