20407872 (number)

20407872 is an even 8-digits composite number following 20407871 and preceding 20407873. In scientific notation, it is written as 2.0407872 × 10^7. The sum of its digits is 30. It has a total of 8 prime factors and 28 positive divisors. There are 6802560 positive integers (up to 20407872) that are relatively prime to 20407872.

Interesting facts

Basic properties

Name

Name twenty million four hundred seven thousand eight hundred seventy-two

Notation

Scientific notation 2.0407872 × 10^7
Engineering notation 2.0407872 × 10^6

Prime Factorization of 20407872

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 106291

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 637746
Product of the distinct prime numbers

The prime factorization of 20407872 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 106291. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20407872)

Multiplication

n×y
n×2 40815744
n×3 61223616
n×4 81631488
n×5 102039360

Division

n÷y
n÷2 10203936
n÷3 6802624
n÷3 5101968
n÷5 4081574.4

Exponentiation

ny
n2 416481239568384
n3 8.4994958275129E+21
n4 1.7345662291242E+29
n5 3.5398805579489E+36

Nth Root

y√n
2√n 4517.5072772493
3√n 273.27458318254
4√n 67.212404191855
5√n 28.970737051529

Divisors of 20407872

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20407871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20407872 can be divided by 28 positive divisors. The sum of these divisors (counting 20407872) is 1, the average is 0.035714285714286.

Base conversion 20407872

Base System Value
2 Binary 1001101110110011001000000
3 Ternary 1102101211100010
4 Quaternary 1031312121000
5 Quinary 20211022442
6 Senary 2005224520
8 Octal 115663100
10 Decimal 20407872
12 Duodecimal 6a02140
16 Hexadecimal 1376640
20 Vigesimal 67ajdc
36 Base36 c5etc

Cryptographic Hash Functions

md5 8e6edfc08f8af5ffd732fa59304c171a
sha1 6be5b99008bdb0b146783c6ffc6042b28d2cce90
sha256 a0d7313169fbbb136324429671addd2d58081cf6d7f98ffbbc4c75a45f512de9
sha512 9ab90e6e0aa47e8d28b07ae19ffdb0917dff3a1b46dd7945bfea13dc54b8b5da75ad9daa9f7c3bf9613a977bd3f5c9655b20cc7d1ffbbbe5c96fe71315692379
ripemd-160 8ca9c03c9b9bd8d77a94016efa9d0b55a251e264

20407872 as geometric shapes

Circle

Radius = n
Diameter 40815744
Circumference 128226441.5012
Area 1.308414402586E+15

Sphere

Radius = n
Volume 3.5602604867909E+22
Surface area 5.233657610344E+15
Circumference 128226441.5012

Square

Length = n
Perimeter 81631488
Area 416481239568384
Diagonal 28861089.361574

Cube

Length = n
Surface area 2498887437410304
Volume 8.4994958275129E+21
Space diagonal 35347471.178362

Equilateral Triangle

Length = n
Perimeter 61223616
Area 1.8034166683293E+14
Altitude 17673735.589181

Triangular Pyramid

Length = n
Surface area 1.8034166683293E+14
Volume 1.0016751893835E+21
Height 9620363.1205247