20723987 (number)

20723987 is an odd 8-digits composite number following 20723986 and preceding 20723988. In scientific notation, it is written as 2.0723987 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20560680 positive integers (up to 20723987) that are relatively prime to 20723987.

Interesting facts

Basic properties

Name

Name twenty million seven hundred twenty-three thousand nine hundred eighty-seven

Notation

Scientific notation 2.0723987 × 10^7
Engineering notation 2.0723987 × 10^6

Prime Factorization of 20723987

Prime Factorization 127 × 163181

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20723987
Product of the distinct prime numbers

The prime factorization of 20723987 is 127 × 163181. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20723987)

Multiplication

n×y
n×2 41447974
n×3 62171961
n×4 82895948
n×5 103619935

Division

n÷y
n÷2 10361993.5
n÷3 6907995.6666667
n÷3 5180996.75
n÷5 4144797.4

Exponentiation

ny
n2 429483637176169
n3 8.9006133135516E+21
n4 1.8445619460207E+29
n5 3.8226677790028E+36

Nth Root

y√n
2√n 4552.3605964379
3√n 274.67835452223
4√n 67.471183452181
5√n 29.059936584837

Divisors of 20723987

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 -20723986
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 20723987 can be divided by 4 positive divisors. The sum of these divisors (counting 20723987) is 1, the average is 0.25.

Base conversion 20723987

Base System Value
2 Binary 1001111000011100100010011
3 Ternary 1102222212222002
4 Quaternary 1033003210103
5 Quinary 20301131422
6 Senary 2020104215
8 Octal 117034423
10 Decimal 20723987
12 Duodecimal 6b3506b
16 Hexadecimal 13c3913
20 Vigesimal 69a9j7
36 Base36 cc6qb

Cryptographic Hash Functions

md5 7b81417449275766bf25fa50c10354a0
sha1 fdb2601fb8328b8e7210759324a39fa3c2207cb3
sha256 90d409d4e18a7388a573085077683ae70adeb2da8c44184c34f73ea59c9cd16a
sha512 a6c5391e96ad8a49cd4b7986365b0c8b1f162e55069e015d79ca7262683fbc3afe15e1bba15b6d208ba8f24ecd290b525b44cd35c0c8d7c20082e68e2581164f
ripemd-160 ae146d54e049b0e506f543870588cd9df7e9bc18

20723987 as geometric shapes

Circle

Radius = n
Diameter 41447974
Circumference 130212650.62458
Area 1.3492626393897E+15

Sphere

Radius = n
Volume 3.7282801864396E+22
Surface area 5.3970505575587E+15
Circumference 130212650.62458

Square

Length = n
Perimeter 82895948
Area 429483637176169
Diagonal 29308143.481844

Cube

Length = n
Surface area 2576901823057014
Volume 8.9006133135516E+21
Space diagonal 35894998.419397

Equilateral Triangle

Length = n
Perimeter 62171961
Area 1.8597187015215E+14
Altitude 17947499.209698

Triangular Pyramid

Length = n
Surface area 1.8597187015215E+14
Volume 1.0489473384553E+21
Height 9769381.1606146