20997751 (number)

20997751 is an odd 8-digits composite number following 20997750 and preceding 20997752. In scientific notation, it is written as 2.0997751 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20923272 positive integers (up to 20997751) that are relatively prime to 20997751.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-seven thousand seven hundred fifty-one

Notation

Scientific notation 2.0997751 × 10^7
Engineering notation 2.0997751 × 10^6

Prime Factorization of 20997751

Prime Factorization 283 × 74197

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20997751
Product of the distinct prime numbers

The prime factorization of 20997751 is 283 × 74197. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20997751)

Multiplication

n×y
n×2 41995502
n×3 62993253
n×4 83991004
n×5 104988755

Division

n÷y
n÷2 10498875.5
n÷3 6999250.3333333
n÷3 5249437.75
n÷5 4199550.2

Exponentiation

ny
n2 440905547058001
n3 9.2580248916427E+21
n4 1.9439770142652E+29
n5 4.0819145295263E+36

Nth Root

y√n
2√n 4582.330302368
3√n 275.88256836511
4√n 67.692911758677
5√n 29.136310473636

Divisors of 20997751

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20997750
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20997751 can be divided by 4 positive divisors. The sum of these divisors (counting 20997751) is 1, the average is 0.25.

Base conversion 20997751

Base System Value
2 Binary 1010000000110011001110111
3 Ternary 1110111210111111
4 Quaternary 1100012121313
5 Quinary 20333412001
6 Senary 2030015451
8 Octal 120063167
10 Decimal 20997751
12 Duodecimal 7047587
16 Hexadecimal 1406677
20 Vigesimal 6b4e7b
36 Base36 ci1yv

Cryptographic Hash Functions

md5 166195dfb3b9c3a909eddff5f5b86d5e
sha1 cca7392307293d6c8cc58d2ab1fec433aa76a2cc
sha256 6720355af52013e92acc0173e09312f3333951013136a238e2b4b00000181894
sha512 beea65a02ad8f51f84299407607be0e8b25c6746c8baf67a47c23b01e0b335a51d07253ef6be03237712fe5ec4120c9cb6d6d4c1abfca2b947a6c7dcf7d3aebe
ripemd-160 f051adb05cb20641a4786fc73d221c02286a8aca

20997751 as geometric shapes

Circle

Radius = n
Diameter 41995502
Circumference 131932760.56702
Area 1.3851456275644E+15

Sphere

Radius = n
Volume 3.8779923981781E+22
Surface area 5.5405825102576E+15
Circumference 131932760.56702

Square

Length = n
Perimeter 83991004
Area 440905547058001
Diagonal 29695304.243533

Cube

Length = n
Surface area 2645433282348006
Volume 9.2580248916427E+21
Space diagonal 36369171.57668

Equilateral Triangle

Length = n
Perimeter 62993253
Area 1.9091770221085E+14
Altitude 18184585.78834

Triangular Pyramid

Length = n
Surface area 1.9091770221085E+14
Volume 1.0910686968791E+21
Height 9898434.7478444