20731908 (number)

20731908 is an even 8-digits composite number following 20731907 and preceding 20731909. In scientific notation, it is written as 2.0731908 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 6504064 positive integers (up to 20731908) that are relatively prime to 20731908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731908 × 10^7
Engineering notation 2.0731908 × 10^6

Prime Factorization of 20731908

Prime Factorization 2 × 2 × 51 × 101627

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10365954
Product of the distinct prime numbers

The prime factorization of 20731908 is 2 × 2 × 51 × 101627. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 53, 90, 690, 463, 3128, 746, 31282, 61955, 19688, 958295, 6626144, 2430118, 72899982, 56205296, 583940071, 318936830, 508558886, 9700198614

Basic calculations (n = 20731908)

Multiplication

n×y
n×2 41463816
n×3 62195724
n×4 82927632
n×5 103659540

Division

n÷y
n÷2 10365954
n÷3 6910636
n÷3 5182977
n÷5 4146381.6

Exponentiation

ny
n2 429812009320464
n3 8.910823034527E+21
n4 1.8473836335609E+29
n5 3.8299787531691E+36

Nth Root

y√n
2√n 4553.2305015231
3√n 274.71334537778
4√n 67.477629637703
5√n 29.062157668781

Divisors of 20731908

1, 2, 4, 51, 102, 204, 101627, 203254, 406508, 5182977, 10365954, 20731908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731908 can be divided by 12 positive divisors. The sum of these divisors (counting 20731908) is 1, the average is 0.083333333333333.

Base conversion 20731908

Base System Value
2 Binary 1001111000101100000000100
3 Ternary 1110000021211110
4 Quaternary 1033011200010
5 Quinary 20301410113
6 Senary 2020205020
8 Octal 117054004
10 Decimal 20731908
12 Duodecimal 6b39770
16 Hexadecimal 13c5804
20 Vigesimal 69b9f8
36 Base36 cccuc

Cryptographic Hash Functions

md5 ac26795a83d80e1ec55b098a22659696
sha1 ff573731720cde9af63bb9e9105354c4abefb2f1
sha256 adc7d169c135863d591a1f860215091bab4ca13212044101b62a02dd296fc54a
sha512 1a357badd4e9b1feae0252ea7fe6681e3c5f384ce40bdefda9a63a034efcd41c9d111bae0b1ca6b490ee31fe284122cd0749de96cf3481259acfa2fb48ffa8c4
ripemd-160 f9911904cd6b705b5657624d64680553fd3a7925

20731908 as geometric shapes

Circle

Radius = n
Diameter 41463816
Circumference 130262419.7354
Area 1.3502942509058E+15

Sphere

Radius = n
Volume 3.7325568243612E+22
Surface area 5.4011770036234E+15
Circumference 130262419.7354

Square

Length = n
Perimeter 82927632
Area 429812009320464
Diagonal 29319345.467471

Cube

Length = n
Surface area 2578872055922784
Volume 8.910823034527E+21
Space diagonal 35908717.993844

Equilateral Triangle

Length = n
Perimeter 62195724
Area 1.8611405946158E+14
Altitude 17954358.996922

Triangular Pyramid

Length = n
Surface area 1.8611405946158E+14
Volume 1.0501505656112E+21
Height 9773115.1558238