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

20731971 (number)

20731971 is an odd 8-digits composite number following 20731970 and preceding 20731972. In scientific notation, it is written as 2.0731971 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 12758112 positive integers (up to 20731971) that are relatively prime to 20731971.

Interesting facts

20731971 has 4 divisors, whose sum is 21263600
The reverse of 20731971 is 17913702
Previous prime number is 39

Basic properties

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

Name

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

Notation

Scientific notation	2.0731971 × 10^7
Engineering notation	2.0731971 × 10^6

Prime Factorization of 20731971

Prime Factorization 39 × 531589

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20731971	Product of the distinct prime numbers

The prime factorization of 20731971 is 39 × 531589. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 27, 98, 1, 20, 2367, 1682, 41490, 41537, 581147, 562427, 61444, 6047751, 32583632, 30442846, 180916122, 236250476, 7699730528, 7187116375

Basic calculations (n = 20731971)

Multiplication

n×y

n×2	41463942
n×3	62195913
n×4	82927884
n×5	103659855

Division

n÷y

n÷2	10365985.5
n÷3	6910657
n÷3	5182992.75
n÷5	4146394.2

Exponentiation

n^y

n²	429814621544841
n³	8.9109042692436E+21
n⁴	1.8474060889373E+29
n⁵	3.8300369461073E+36

Nth Root

^y√n

²√n	4553.2374196828
³√n	274.71362364327
⁴√n	67.477680900301
⁵√n	29.062175331543

Divisors of 20731971

1, 39, 531589, 20731971

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	-20731970	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 20731971 can be divided by 4 positive divisors. The sum of these divisors (counting 20731971) is 1, the average is 0.25.

Base conversion 20731971

Base	System	Value
2	Binary	1001111000101100001000011
3	Ternary	1110000021220210
4	Quaternary	1033011201003
5	Quinary	20301410341
6	Senary	2020205203
8	Octal	117054103
10	Decimal	20731971
12	Duodecimal	6b39803
16	Hexadecimal	13c5843
20	Vigesimal	69b9ib
36	Base36	cccw3

Cryptographic Hash Functions

md5	84e09ee6978b9eabde94370babcc89cf
sha1	4231ae100b9233aeae8953f1674f5813a7b37308
sha256	9ced3d3c0425ae7c76207004e157148313042551c642a418b12dd6f32108dfec
sha512	72f6498a39b8a8e3b84c89157db2759abd8c8141ed5e21152eb0fde047577b96e70bec8fadee910733c3f5cfed798a25a1555d01887d5c3bdfe1755d55a39f54
ripemd-160	7980ed43569d65a620ac9ba568375aa7781e1667

20731971 as geometric shapes

Circle

Radius = n

Diameter	41463942
Circumference	130262815.57607
Area	1.3503024574507E+15

Sphere

Radius = n

Volume	3.7325908518797E+22
Surface area	5.401209829803E+15
Circumference	130262815.57607

Square

Length = n

Perimeter	82927884
Area	429814621544841
Diagonal	29319434.562926

Cube

Length = n

Surface area	2578887729269046
Volume	8.9109042692436E+21
Space diagonal	35908827.113045

Equilateral Triangle

Length = n

Perimeter	62195913
Area	1.8611519058791E+14
Altitude	17954413.556522

Triangular Pyramid

Length = n

Surface area	1.8611519058791E+14
Volume	1.0501601392144E+21
Height	9773144.8543086