20731942 (number)

20731942 is an even 8-digits composite number following 20731941 and preceding 20731943. In scientific notation, it is written as 2.0731942 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 7601280 positive integers (up to 20731942) that are relatively prime to 20731942.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731942 × 10^7
Engineering notation 2.0731942 × 10^6

Prime Factorization of 20731942

Prime Factorization 2 × 7 × 17 × 11 × 7919

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20731942
Product of the distinct prime numbers

The prime factorization of 20731942 is 2 × 7 × 17 × 11 × 7919. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 7, 26, 11, 575, 457, 5082, 8870, 68615, 89031, 199108, 600198, 751909, 4985195, 32424361, 90377035, 745273782, 510087208, 5631648268, 1923528291

Basic calculations (n = 20731942)

Multiplication

n×y
n×2 41463884
n×3 62195826
n×4 82927768
n×5 103659710

Division

n÷y
n÷2 10365971
n÷3 6910647.3333333
n÷3 5182985.5
n÷5 4146388.4

Exponentiation

ny
n2 429813419091364
n3 8.9108668754239E+21
n4 1.8473957523101E+29
n5 3.8300101587939E+36

Nth Root

y√n
2√n 4553.2342351344
3√n 274.71349555288
4√n 67.477657303247
5√n 29.062167201071

Divisors of 20731942

1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 7919, 15838, 55433, 87109, 110866, 134623, 174218, 269246, 609763, 942361, 1219526, 1480853, 1884722, 2961706, 10365971, 20731942

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731942 can be divided by 32 positive divisors. The sum of these divisors (counting 20731942) is 1, the average is 0.03125.

Base conversion 20731942

Base System Value
2 Binary 1001111000101100000100110
3 Ternary 1110000021212201
4 Quaternary 1033011200212
5 Quinary 20301410232
6 Senary 2020205114
8 Octal 117054046
10 Decimal 20731942
12 Duodecimal 6b3979a
16 Hexadecimal 13c5826
20 Vigesimal 69b9h2
36 Base36 cccva

Cryptographic Hash Functions

md5 a6f42358cfb4a6f15d78d43ed8efc282
sha1 cb12a638dd6b9a6dea75b6ac9f1c8709960484b1
sha256 128e6097784fc1bf07444cd9ecf5f91c14c2658e5522d34295eaf2642d152f0d
sha512 88b50f90e90889f11d8dba40701850fdc5f7af358bc3470927424c2ae691e556375f095cfbbad3d3d9f1201534130757340cfbd41f5861b28f709c72c234e086
ripemd-160 49516e332ad0e953be78b0d0a411fe15adf61d81

20731942 as geometric shapes

Circle

Radius = n
Diameter 41463884
Circumference 130262633.3637
Area 1.3502986798317E+15

Sphere

Radius = n
Volume 3.7325751883931E+22
Surface area 5.401194719327E+15
Circumference 130262633.3637

Square

Length = n
Perimeter 82927768
Area 429813419091364
Diagonal 29319393.550732

Cube

Length = n
Surface area 2578880514548184
Volume 8.9108668754239E+21
Space diagonal 35908776.883571

Equilateral Triangle

Length = n
Perimeter 62195826
Area 1.8611466991028E+14
Altitude 17954388.441786

Triangular Pyramid

Length = n
Surface area 1.8611466991028E+14
Volume 1.0501557323105E+21
Height 9773131.1835775