20787631 (number)

20787631 is an odd 8-digits composite number following 20787630 and preceding 20787632. In scientific notation, it is written as 2.0787631 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20764600 positive integers (up to 20787631) that are relatively prime to 20787631.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-seven thousand six hundred thirty-one

Notation

Scientific notation 2.0787631 × 10^7
Engineering notation 2.0787631 × 10^6

Prime Factorization of 20787631

Prime Factorization 941 × 22091

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20787631
Product of the distinct prime numbers

The prime factorization of 20787631 is 941 × 22091. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20787631)

Multiplication

n×y
n×2 41575262
n×3 62362893
n×4 83150524
n×5 103938155

Division

n÷y
n÷2 10393815.5
n÷3 6929210.3333333
n÷3 5196907.75
n÷5 4157526.2

Exponentiation

ny
n2 432125602592161
n3 8.9828675723385E+21
n4 1.8673253641564E+29
n5 3.8817270627024E+36

Nth Root

y√n
2√n 4559.3454574094
3√n 274.95924905803
4√n 67.522925420996
5√n 29.07776349087

Divisors of 20787631

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 -20787630
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 20787631 can be divided by 4 positive divisors. The sum of these divisors (counting 20787631) is 1, the average is 0.25.

Base conversion 20787631

Base System Value
2 Binary 1001111010011000110101111
3 Ternary 1110010010021021
4 Quaternary 1033103012233
5 Quinary 20310201011
6 Senary 2021315011
8 Octal 117230657
10 Decimal 20787631
12 Duodecimal 6b65a67
16 Hexadecimal 13d31af
20 Vigesimal 69i91b
36 Base36 cdju7

Cryptographic Hash Functions

md5 19a6275ed6bf95088e7ccb94b0ade72e
sha1 440e2d5d66c01ceecdb12948f0ea159c5ae7d306
sha256 3836a6d4df5c0a359d0fe1130cc20ab7c538c0997b03e510986ce1d19d573241
sha512 5d1682905995a60be7cc480a492660fd9f212ecd61c842713b526e4ab0a4582f3c1d1f11ce9394513ff69e6f5fb714c4a7ea56d7daf6521b856a7e593647df30
ripemd-160 37e30d0450e4c59ac5e0662ccdf1bc30380cb7e8

20787631 as geometric shapes

Circle

Radius = n
Diameter 41575262
Circumference 130612537.67027
Area 1.3575626185316E+15

Sphere

Radius = n
Volume 3.7627347697905E+22
Surface area 5.4302504741264E+15
Circumference 130612537.67027

Square

Length = n
Perimeter 83150524
Area 432125602592161
Diagonal 29398149.689807

Cube

Length = n
Surface area 2592753615552966
Volume 8.9828675723385E+21
Space diagonal 36005233.060994

Equilateral Triangle

Length = n
Perimeter 62362893
Area 1.8711587473524E+14
Altitude 18002616.530497

Triangular Pyramid

Length = n
Surface area 1.8711587473524E+14
Volume 1.0586410958169E+21
Height 9799383.2299358