20385979 (number)

20385979 is an odd 8-digits composite number following 20385978 and preceding 20385980. In scientific notation, it is written as 2.0385979 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 19755840 positive integers (up to 20385979) that are relatively prime to 20385979.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-five thousand nine hundred seventy-nine

Notation

Scientific notation 2.0385979 × 10^7
Engineering notation 2.0385979 × 10^6

Prime Factorization of 20385979

Prime Factorization 157 × 41 × 3167

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20385979
Product of the distinct prime numbers

The prime factorization of 20385979 is 157 × 41 × 3167. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20385979)

Multiplication

n×y
n×2 40771958
n×3 61157937
n×4 81543916
n×5 101929895

Division

n÷y
n÷2 10192989.5
n÷3 6795326.3333333
n÷3 5096494.75
n÷5 4077195.8

Exponentiation

ny
n2 415588139788441
n3 8.4721710903762E+21
n4 1.7271350193282E+29
n5 3.5209338234189E+36

Nth Root

y√n
2√n 4515.0834986742
3√n 273.17682774909
4√n 67.194371034144
5√n 28.96451858165

Divisors of 20385979

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20385978
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20385979 can be divided by 8 positive divisors. The sum of these divisors (counting 20385979) is 1, the average is 0.125.

Base conversion 20385979

Base System Value
2 Binary 1001101110001000010111011
3 Ternary 1102100201022021
4 Quaternary 1031301002323
5 Quinary 20204322404
6 Senary 2004535311
8 Octal 115610273
10 Decimal 20385979
12 Duodecimal 69b1537
16 Hexadecimal 13710bb
20 Vigesimal 6784ij
36 Base36 c4xx7

Cryptographic Hash Functions

md5 c4370e4bcfe46eb3903539e4b570c9dc
sha1 4fab361c4d38eb17a481e2596175200359bb8ab4
sha256 1c79d6e1ac9eb8b8bade5fa69e5ebbaa091e580c0685cce3fe6ad4b5cf891a5d
sha512 faabf8cd4900f70cbce0b8f28da3fbc876fca406230bc8d860fdb1e710e4499f75f91ab7641b0ef8dc4c793dcbb68ae15a6ae6320fe4e31c084c5d84684716f3
ripemd-160 62cbb3e839414abe224f69dc69117cd1d74b1272

20385979 as geometric shapes

Circle

Radius = n
Diameter 40771958
Circumference 128088883.72527
Area 1.3056086468784E+15

Sphere

Radius = n
Volume 3.5488147276642E+22
Surface area 5.2224345875137E+15
Circumference 128088883.72527

Square

Length = n
Perimeter 81543916
Area 415588139788441
Diagonal 28830127.984053

Cube

Length = n
Surface area 2493528838730646
Volume 8.4721710903762E+21
Space diagonal 35309551.390032

Equilateral Triangle

Length = n
Perimeter 61157937
Area 1.7995494328415E+14
Altitude 17654775.695016

Triangular Pyramid

Length = n
Surface area 1.7995494328415E+14
Volume 9.9845493822961E+20
Height 9610042.661351