20388631 (number)

20388631 is an odd 8-digits composite number following 20388630 and preceding 20388632. In scientific notation, it is written as 2.0388631 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20379600 positive integers (up to 20388631) that are relatively prime to 20388631.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-eight thousand six hundred thirty-one

Notation

Scientific notation 2.0388631 × 10^7
Engineering notation 2.0388631 × 10^6

Prime Factorization of 20388631

Prime Factorization 4591 × 4441

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20388631
Product of the distinct prime numbers

The prime factorization of 20388631 is 4591 × 4441. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20388631)

Multiplication

n×y
n×2 40777262
n×3 61165893
n×4 81554524
n×5 101943155

Division

n÷y
n÷2 10194315.5
n÷3 6796210.3333333
n÷3 5097157.75
n÷5 4077726.2

Exponentiation

ny
n2 415696274054161
n3 8.4754779397652E+21
n4 1.7280339226251E+29
n5 3.5232246003886E+36

Nth Root

y√n
2√n 4515.3771714
3√n 273.18867303966
4√n 67.196556246581
5√n 28.965272137871

Divisors of 20388631

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 -20388630
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 20388631 can be divided by 4 positive divisors. The sum of these divisors (counting 20388631) is 1, the average is 0.25.

Base conversion 20388631

Base System Value
2 Binary 1001101110001101100010111
3 Ternary 1102100211221111
4 Quaternary 1031301230113
5 Quinary 20204414011
6 Senary 2004555451
8 Octal 115615427
10 Decimal 20388631
12 Duodecimal 69b2b87
16 Hexadecimal 1371b17
20 Vigesimal 678bbb
36 Base36 c4zyv

Cryptographic Hash Functions

md5 c8a796aab74c98b4aeaf4314b0b5b6dc
sha1 5db0337956a53e59ae2f9333e072175e1739e0b7
sha256 93cd797668c89c515133890d179c0414ab301015b3cd29108055ba9bbc52a37f
sha512 eacbbfdc65aa7cf0dffb2be4fcd0b87153c7b315139a0c9530122084c1d4821afd78610a287e481e9129e4b8c3e3f61775cf2101d070c55211d7b313181d1f82
ripemd-160 da79e1255aad5fa762d8d545dc09bf806883ae58

20388631 as geometric shapes

Circle

Radius = n
Diameter 40777262
Circumference 128105546.73271
Area 1.3059483606932E+15

Sphere

Radius = n
Volume 3.5501998974971E+22
Surface area 5.2237934427728E+15
Circumference 128105546.73271

Square

Length = n
Perimeter 81554524
Area 415696274054161
Diagonal 28833878.478421

Cube

Length = n
Surface area 2494177644324966
Volume 8.4754779397652E+21
Space diagonal 35314144.788774

Equilateral Triangle

Length = n
Perimeter 61165893
Area 1.8000176679472E+14
Altitude 17657072.394387

Triangular Pyramid

Length = n
Surface area 1.8000176679472E+14
Volume 9.9884465416749E+20
Height 9611292.8261402