20688747 (number)

20688747 is an odd 8-digits composite number following 20688746 and preceding 20688748. In scientific notation, it is written as 2.0688747 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 13776672 positive integers (up to 20688747) that are relatively prime to 20688747.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-eight thousand seven hundred forty-seven

Notation

Scientific notation 2.0688747 × 10^7
Engineering notation 2.0688747 × 10^6

Prime Factorization of 20688747

Prime Factorization 3 × 6917 × 997

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20688747
Product of the distinct prime numbers

The prime factorization of 20688747 is 3 × 6917 × 997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20688747)

Multiplication

n×y
n×2 41377494
n×3 62066241
n×4 82754988
n×5 103443735

Division

n÷y
n÷2 10344373.5
n÷3 6896249
n÷3 5172186.75
n÷5 4137749.4

Exponentiation

ny
n2 428024252430009
n3 8.8552854683886E+21
n4 1.8320476066827E+29
n5 3.7902769426613E+36

Nth Root

y√n
2√n 4548.488430237
3√n 274.52257437912
4√n 67.442482384896
5√n 29.050046891043

Divisors of 20688747

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20688746
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20688747 can be divided by 8 positive divisors. The sum of these divisors (counting 20688747) is 1, the average is 0.125.

Base conversion 20688747

Base System Value
2 Binary 1001110111010111101101011
3 Ternary 1102221002121220
4 Quaternary 1032322331223
5 Quinary 20244014442
6 Senary 2015233123
8 Octal 116727553
10 Decimal 20688747
12 Duodecimal 6b187a3
16 Hexadecimal 13baf6b
20 Vigesimal 6961h7
36 Base36 cbfjf

Cryptographic Hash Functions

md5 7f21597bd96386ad2a65c366f7a3db4e
sha1 a05da87cba2b48c112368b6cacdb8b32f1e01bfa
sha256 c857a30d2411ac6935c8c79671cfb4e8453f91dd681fd047d2665b278d17ebf2
sha512 dbe355b601626b96a70a6d6d1b24000a6f481ee9c1ba1b525a94a052d40c57022810a7b6ba405e5d1626752fd7c8c095fef058c80d1820674a2f1ed46e734aff
ripemd-160 d84c49472e74e5badc7399cbeb99ce9677178bb4

20688747 as geometric shapes

Circle

Radius = n
Diameter 41377494
Circumference 129991231.17436
Area 1.3446778469924E+15

Sphere

Radius = n
Volume 3.7092933030573E+22
Surface area 5.3787113879695E+15
Circumference 129991231.17436

Square

Length = n
Perimeter 82754988
Area 428024252430009
Diagonal 29258306.595906

Cube

Length = n
Surface area 2568145514580054
Volume 8.8552854683886E+21
Space diagonal 35833960.948938

Equilateral Triangle

Length = n
Perimeter 62066241
Area 1.8533993802012E+14
Altitude 17916980.474469

Triangular Pyramid

Length = n
Surface area 1.8533993802012E+14
Volume 1.0436054006734E+21
Height 9752768.8653019