20407979 (number)

20407979 is an odd 8-digits composite number following 20407978 and preceding 20407980. In scientific notation, it is written as 2.0407979 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 19776096 positive integers (up to 20407979) that are relatively prime to 20407979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0407979 × 10^7
Engineering notation 2.0407979 × 10^6

Prime Factorization of 20407979

Prime Factorization 37 × 1949 × 283

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20407979
Product of the distinct prime numbers

The prime factorization of 20407979 is 37 × 1949 × 283. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20407979)

Multiplication

n×y
n×2 40815958
n×3 61223937
n×4 81631916
n×5 102039895

Division

n÷y
n÷2 10203989.5
n÷3 6802659.6666667
n÷3 5101994.75
n÷5 4081595.8

Exponentiation

ny
n2 416485606864441
n3 8.4996295186918E+21
n4 1.7346026072524E+29
n5 3.5399733582153E+36

Nth Root

y√n
2√n 4517.5191200481
3√n 273.27506078141
4√n 67.212492291598
5√n 28.970767430614

Divisors of 20407979

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 -20407978
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 20407979 can be divided by 8 positive divisors. The sum of these divisors (counting 20407979) is 1, the average is 0.125.

Base conversion 20407979

Base System Value
2 Binary 1001101110110011010101011
3 Ternary 1102101211111002
4 Quaternary 1031312122223
5 Quinary 20211023404
6 Senary 2005225215
8 Octal 115663253
10 Decimal 20407979
12 Duodecimal 6a0220b
16 Hexadecimal 13766ab
20 Vigesimal 67ajij
36 Base36 c5ewb

Cryptographic Hash Functions

md5 cc11e85419f91e7a4be3fa871db3aaf6
sha1 2580318796fd88fdca7a2beaf2d960c309b0e763
sha256 7ca2391072f087cfebfc2cc32741a26e7070287ed0f3a5c3d2d1a850a9047cc0
sha512 63641b574f991cf24367ae76e9351132f63f1939615ba3b4f9745f1e0dc5658357e127b1d77ac27148699dbfeedb9c748f562c8810be3b9a6dc4d51b7b926134
ripemd-160 75ce3aacebb108e471328b5683ddaf5092a9c9b3

20407979 as geometric shapes

Circle

Radius = n
Diameter 40815958
Circumference 128227113.80203
Area 1.3084281228512E+15

Sphere

Radius = n
Volume 3.5603164872209E+22
Surface area 5.2337124914049E+15
Circumference 128227113.80203

Square

Length = n
Perimeter 81631916
Area 416485606864441
Diagonal 28861240.682425

Cube

Length = n
Surface area 2498913641186646
Volume 8.4996295186918E+21
Space diagonal 35347656.507799

Equilateral Triangle

Length = n
Perimeter 61223937
Area 1.8034355792759E+14
Altitude 17673828.253899

Triangular Pyramid

Length = n
Surface area 1.8034355792759E+14
Volume 1.0016909450401E+21
Height 9620413.5608084