20731940 (number)

20731940 is an even 8-digits composite number following 20731939 and preceding 20731941. In scientific notation, it is written as 2.0731940 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 8276480 positive integers (up to 20731940) that are relatively prime to 20731940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731940 × 10^7
Engineering notation 2.0731940 × 10^6

Prime Factorization of 20731940

Prime Factorization 2 × 2 × 5 × 977 × 1061

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10365970
Product of the distinct prime numbers

The prime factorization of 20731940 is 2 × 2 × 5 × 977 × 1061. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 43, 68, 763, 399, 4118, 6634, 21183, 80119, 106753, 574943, 3894822, 7027840, 49420000, 50525649, 845524990, 734200629, 2735408693, 1009425025

Basic calculations (n = 20731940)

Multiplication

n×y
n×2 41463880
n×3 62195820
n×4 82927760
n×5 103659700

Division

n÷y
n÷2 10365970
n÷3 6910646.6666667
n÷3 5182985
n÷5 4146388

Exponentiation

ny
n2 429813336163600
n3 8.9108642965436E+21
n4 1.8473950394408E+29
n5 3.8300083113985E+36

Nth Root

y√n
2√n 4553.2340155103
3√n 274.71348671905
4√n 67.477655675863
5√n 29.062166640348

Divisors of 20731940

1, 2, 4, 5, 10, 20, 977, 1061, 1954, 2122, 3908, 4244, 4885, 5305, 9770, 10610, 19540, 21220, 1036597, 2073194, 4146388, 5182985, 10365970, 20731940

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 -20731939
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 20731940 can be divided by 24 positive divisors. The sum of these divisors (counting 20731940) is 1, the average is 0.041666666666667.

Base conversion 20731940

Base System Value
2 Binary 1001111000101100000100100
3 Ternary 1110000021212122
4 Quaternary 1033011200210
5 Quinary 20301410230
6 Senary 2020205112
8 Octal 117054044
10 Decimal 20731940
12 Duodecimal 6b39798
16 Hexadecimal 13c5824
20 Vigesimal 69b9h0
36 Base36 cccv8

Cryptographic Hash Functions

md5 341ca2754b1738ad5d764b562c70db43
sha1 aa49c305e76d68c12169857f811ca7ff3858ca41
sha256 e6eaad31321bc934e4d48a9cf5e3d2071df06f2ebfb0faeffd6afb48ece3e87e
sha512 3d8f9d590b68b887cdb1c9e298657def1df891f4a64d5e85ad511c248b90767ffaa3dcb18c494ce7201052a0b2efd8be551af2b1954e627d3a477b901b0e1c17
ripemd-160 46806bc700d4535c70920f7be98da5bd0ff7efa2

20731940 as geometric shapes

Circle

Radius = n
Diameter 41463880
Circumference 130262620.79733
Area 1.3502984193065E+15

Sphere

Radius = n
Volume 3.7325741081543E+22
Surface area 5.4011936772259E+15
Circumference 130262620.79733

Square

Length = n
Perimeter 82927760
Area 429813336163600
Diagonal 29319390.722305

Cube

Length = n
Surface area 2578880016981600
Volume 8.9108642965436E+21
Space diagonal 35908773.41947

Equilateral Triangle

Length = n
Perimeter 62195820
Area 1.8611463400151E+14
Altitude 17954386.709735

Triangular Pyramid

Length = n
Surface area 1.8611463400151E+14
Volume 1.0501554283865E+21
Height 9773130.2407684