20688750 (number)

20688750 is an even 8-digits composite number following 20688749 and preceding 20688751. In scientific notation, it is written as 2.0688750 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 5508000 positive integers (up to 20688750) that are relatively prime to 20688750.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0688750 × 10^7
Engineering notation 2.0688750 × 10^6

Prime Factorization of 20688750

Prime Factorization 2 × 27585 × 25 × 5 × 3

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20688750
Product of the distinct prime numbers

The prime factorization of 20688750 is 2 × 27585 × 25 × 5 × 3. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20688750)

Multiplication

n×y
n×2 41377500
n×3 62066250
n×4 82755000
n×5 103443750

Division

n÷y
n÷2 10344375
n÷3 6896250
n÷3 5172187.5
n÷5 4137750

Exponentiation

ny
n2 428024376562500
n3 8.8552893206074E+21
n4 1.8320486693172E+29
n5 3.7902796907336E+36

Nth Root

y√n
2√n 4548.4887600169
3√n 274.52258764829
4√n 67.442484829793
5√n 29.050047733531

Divisors of 20688750

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 -20688749
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 20688750 can be divided by 32 positive divisors. The sum of these divisors (counting 20688750) is 1, the average is 0.03125.

Base conversion 20688750

Base System Value
2 Binary 1001110111010111101101110
3 Ternary 1102221002122000
4 Quaternary 1032322331232
5 Quinary 20244020000
6 Senary 2015233130
8 Octal 116727556
10 Decimal 20688750
12 Duodecimal 6b187a6
16 Hexadecimal 13baf6e
20 Vigesimal 6961ha
36 Base36 cbfji

Cryptographic Hash Functions

md5 5351212fa6f3de99d2c7f3eed83d9953
sha1 7b02f09f779ece799dee9b9be726691ca3109e40
sha256 6382613f35a0508c81d12fbd771ff0494391664b65bcd60e694cb00053f93308
sha512 218518d1e89d91ce9bf89a46fb8d08ebdaf9d58025e3879912e67459908c5209ea0e5d3873f213f826181addcfaffbf08898681a5d15528533c8443545fa252d
ripemd-160 fe59c5a1ab975af5b24a07a20a47e710d7e4f083

20688750 as geometric shapes

Circle

Radius = n
Diameter 41377500
Circumference 129991250.02391
Area 1.3446782369661E+15

Sphere

Radius = n
Volume 3.709294916671E+22
Surface area 5.3787129478644E+15
Circumference 129991250.02391

Square

Length = n
Perimeter 82755000
Area 428024376562500
Diagonal 29258310.838546

Cube

Length = n
Surface area 2568146259375000
Volume 8.8552893206074E+21
Space diagonal 35833966.145091

Equilateral Triangle

Length = n
Perimeter 62066250
Area 1.8533999177106E+14
Altitude 17916983.072545

Triangular Pyramid

Length = n
Surface area 1.8533999177106E+14
Volume 1.0436058546617E+21
Height 9752770.2795155