20408979 (number)

20408979 is an odd 8-digits composite number following 20408978 and preceding 20408980. In scientific notation, it is written as 2.0408979 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13605984 positive integers (up to 20408979) that are relatively prime to 20408979.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand nine hundred seventy-nine

Notation

Scientific notation 2.0408979 × 10^7
Engineering notation 2.0408979 × 10^6

Prime Factorization of 20408979

Prime Factorization 3 × 6802993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20408979
Product of the distinct prime numbers

The prime factorization of 20408979 is 3 × 6802993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20408979)

Multiplication

n×y
n×2 40817958
n×3 61226937
n×4 81635916
n×5 102044895

Division

n÷y
n÷2 10204489.5
n÷3 6802993
n÷3 5102244.75
n÷5 4081795.8

Exponentiation

ny
n2 416526423822441
n3 8.5008790367373E+21
n4 1.7349426174231E+29
n5 3.5408407445193E+36

Nth Root

y√n
2√n 4517.62979891
3√n 273.27952424146
4√n 67.213315636933
5√n 28.971051341134

Divisors of 20408979

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 -20408978
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 20408979 can be divided by 4 positive divisors. The sum of these divisors (counting 20408979) is 1, the average is 0.25.

Base conversion 20408979

Base System Value
2 Binary 1001101110110101010010011
3 Ternary 1102101212212010
4 Quaternary 1031312222103
5 Quinary 20211041404
6 Senary 2005234003
8 Octal 115665223
10 Decimal 20408979
12 Duodecimal 6a02903
16 Hexadecimal 1376a93
20 Vigesimal 67b28j
36 Base36 c5fo3

Cryptographic Hash Functions

md5 6be42bb4f5c20ce80047198bd323f14c
sha1 6e30a8bb0172479f4d677867a64e0356dbb907c1
sha256 fb8970c86ac468c4f86310397f794b2545a45083ce2f09ae90cd98da0034dbac
sha512 6569c10e5bb98af5a69d1f51a7162b3ffdb68d06704840dc5d7ec7dc33286d51b31552b7da5b2f6017997360d27fbb124297fb87871ed197c80157c68a8d94f9
ripemd-160 67fdb25a50c9a0542b2f55d2bd18134244a01602

20408979 as geometric shapes

Circle

Radius = n
Diameter 40817958
Circumference 128233396.98734
Area 1.3085563531066E+15

Sphere

Radius = n
Volume 3.5608398841159E+22
Surface area 5.2342254124264E+15
Circumference 128233396.98734

Square

Length = n
Perimeter 81635916
Area 416526423822441
Diagonal 28862654.895988

Cube

Length = n
Surface area 2499158542934646
Volume 8.5008790367373E+21
Space diagonal 35349388.558606

Equilateral Triangle

Length = n
Perimeter 61226937
Area 1.8036123218886E+14
Altitude 17674694.279303

Triangular Pyramid

Length = n
Surface area 1.8036123218886E+14
Volume 1.0018382021539E+21
Height 9620884.9653292