20688748 (number)

20688748 is an even 8-digits composite number following 20688747 and preceding 20688749. In scientific notation, it is written as 2.0688748 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors. There are 10344372 positive integers (up to 20688748) that are relatively prime to 20688748.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0688748 × 10^7
Engineering notation 2.0688748 × 10^6

Prime Factorization of 20688748

Prime Factorization 2 × 2 × 5172187

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10344374
Product of the distinct prime numbers

The prime factorization of 20688748 is 2 × 2 × 5172187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20688748)

Multiplication

n×y
n×2 41377496
n×3 62066244
n×4 82754992
n×5 103443740

Division

n÷y
n÷2 10344374
n÷3 6896249.3333333
n÷3 5172187
n÷5 4137749.6

Exponentiation

ny
n2 428024293807504
n3 8.8552867524614E+21
n4 1.8320479608941E+29
n5 3.7902778586852E+36

Nth Root

y√n
2√n 4548.4885401636
3√n 274.52257880218
4√n 67.442483199862
5√n 29.050047171872

Divisors of 20688748

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20688747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20688748 can be divided by 6 positive divisors. The sum of these divisors (counting 20688748) is 1, the average is 0.16666666666667.

Base conversion 20688748

Base System Value
2 Binary 1001110111010111101101100
3 Ternary 1102221002121221
4 Quaternary 1032322331230
5 Quinary 20244014443
6 Senary 2015233124
8 Octal 116727554
10 Decimal 20688748
12 Duodecimal 6b187a4
16 Hexadecimal 13baf6c
20 Vigesimal 6961h8
36 Base36 cbfjg

Cryptographic Hash Functions

md5 289ff42a6dc48aedee7966e4aeec5356
sha1 a448306fed0843bee12f3a4f41dff89e056d2921
sha256 060258c79df78b132f9e793287cc78440b9af781a3d2f6273c40a2d37bf4623e
sha512 d2cbb2a70748f85c7e63112f0deed2951053c05344e4076e42744cbd14699325b4feb87539bf94d42689c43b8c026614421d3f916511d736249e8566da8037fb
ripemd-160 145b28bc7f0d914dc202f20c9c99e8162fa237b2

20688748 as geometric shapes

Circle

Radius = n
Diameter 41377496
Circumference 129991237.45754
Area 1.3446779769836E+15

Sphere

Radius = n
Volume 3.7092938409285E+22
Surface area 5.3787119079345E+15
Circumference 129991237.45754

Square

Length = n
Perimeter 82754992
Area 428024293807504
Diagonal 29258308.010119

Cube

Length = n
Surface area 2568145762845024
Volume 8.8552867524614E+21
Space diagonal 35833962.680989

Equilateral Triangle

Length = n
Perimeter 62066244
Area 1.853399559371E+14
Altitude 17916981.340494

Triangular Pyramid

Length = n
Surface area 1.853399559371E+14
Volume 1.0436055520028E+21
Height 9752769.3367064