20405979 (number)

20405979 is an odd 8-digits composite number following 20405978 and preceding 20405980. In scientific notation, it is written as 2.0405979 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 12247200 positive integers (up to 20405979) that are relatively prime to 20405979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0405979 × 10^7
Engineering notation 2.0405979 × 10^6

Prime Factorization of 20405979

Prime Factorization 9 × 3 × 11 × 541 × 127

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20405979
Product of the distinct prime numbers

The prime factorization of 20405979 is 9 × 3 × 11 × 541 × 127. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 51, 35, 804, 932, 9225, 8367, 40037, 1297, 569552, 67648, 441677, 4725504, 73123543, 32959484, 961368915, 288895149, 1703749236, 659142701

Basic calculations (n = 20405979)

Multiplication

n×y
n×2 40811958
n×3 61217937
n×4 81623916
n×5 102029895

Division

n÷y
n÷2 10202989.5
n÷3 6801993
n÷3 5101494.75
n÷5 4081195.8

Exponentiation

ny
n2 416403978948441
n3 8.4971308499383E+21
n4 1.7339227368409E+29
n5 3.5382390955599E+36

Nth Root

y√n
2√n 4517.2977541889
3√n 273.26613342385
4√n 67.210845510147
5√n 28.970199576185

Divisors of 20405979

1, 3, 9, 11, 27, 33, 99, 127, 297, 381, 541, 1143, 1397, 1623, 3429, 4191, 4869, 5951, 12573, 14607, 17853, 37719, 53559, 68707, 160677, 206121, 618363, 755777, 1855089, 2267331, 6801993, 20405979

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405978
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405979 can be divided by 32 positive divisors. The sum of these divisors (counting 20405979) is 1, the average is 0.03125.

Base conversion 20405979

Base System Value
2 Binary 1001101110101111011011011
3 Ternary 1102101201202000
4 Quaternary 1031311323123
5 Quinary 20210442404
6 Senary 2005212043
8 Octal 115657333
10 Decimal 20405979
12 Duodecimal 6a01023
16 Hexadecimal 1375edb
20 Vigesimal 67aeij
36 Base36 c5dcr

Cryptographic Hash Functions

md5 2ae7c5058c51d562c0d8c3d5e7def11a
sha1 ee194213654934aae15d5bd45ffe055c068a8746
sha256 dbf707d9120bb3def421573652a3be3f3a7c8dcae20216c9b571087bb7ed3c18
sha512 dfaf5b42ec04f56cf68d589005b19b43dcc2330612ad5bbc72851f541da22e3aa005d478d95fe8f30c0553af8c296810b2b73d65505cd0b3eef7dca624a30047
ripemd-160 8d46a3821f4feb4d4d5c6ce43c2d42d3d7ff8c18

20405979 as geometric shapes

Circle

Radius = n
Diameter 40811958
Circumference 128214547.43142
Area 1.30817168119E+15

Sphere

Radius = n
Volume 3.559269847301E+22
Surface area 5.2326867247599E+15
Circumference 128214547.43142

Square

Length = n
Perimeter 81623916
Area 416403978948441
Diagonal 28858412.255301

Cube

Length = n
Surface area 2498423873690646
Volume 8.4971308499383E+21
Space diagonal 35344192.406184

Equilateral Triangle

Length = n
Perimeter 61217937
Area 1.8030821200314E+14
Altitude 17672096.203092

Triangular Pyramid

Length = n
Surface area 1.8030821200314E+14
Volume 1.0013964741035E+21
Height 9619470.7517669