20805008 (number)

20805008 is an even 8-digits composite number following 20805007 and preceding 20805009. In scientific notation, it is written as 2.0805008 × 10^7. The sum of its digits is 23. It has a total of 8 prime factors and 60 positive divisors. There are 8354304 positive integers (up to 20805008) that are relatively prime to 20805008.

Interesting facts

Basic properties

Name

Name twenty million eight hundred five thousand eight

Notation

Scientific notation 2.0805008 × 10^7
Engineering notation 2.0805008 × 10^6

Prime Factorization of 20805008

Prime Factorization 2 × 2 × 2 × 2 × 7 × 7 × 119 × 223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 371518
Product of the distinct prime numbers

The prime factorization of 20805008 is 2 × 2 × 2 × 2 × 7 × 7 × 119 × 223. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 2, 40, 91, 816, 66, 3029, 5538, 18103, 35749, 991417, 339757, 6028220, 3376652, 44392073, 13410050, 513627496, 222720808, 9054358978, 5031298871

Basic calculations (n = 20805008)

Multiplication

n×y
n×2 41610016
n×3 62415024
n×4 83220032
n×5 104025040

Division

n÷y
n÷2 10402504
n÷3 6935002.6666667
n÷3 5201252
n÷5 4161001.6

Exponentiation

ny
n2 432848357880064
n3 9.0054135484816E+21
n4 1.8735770091947E+29
n5 3.8979784664911E+36

Nth Root

y√n
2√n 4561.2507056727
3√n 275.0358432619
4√n 67.537032105895
5√n 29.082623259912

Divisors of 20805008

1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 119, 196, 223, 238, 392, 446, 476, 784, 833, 892, 952, 1561, 1666, 1784, 1904, 3122, 3332, 3568, 5831, 6244, 6664, 10927, 11662, 12488, 13328, 21854, 23324, 24976, 26537, 43708, 46648, 53074, 87416, 93296, 106148, 174832, 185759, 212296, 371518, 424592, 743036, 1300313, 1486072, 2600626, 2972144, 5201252, 10402504, 20805008

60 divisors

τ Total Divisors 60
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20805007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.016666666666667
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 60
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20805008 can be divided by 60 positive divisors. The sum of these divisors (counting 20805008) is 1, the average is 0.016666666666667.

Base conversion 20805008

Base System Value
2 Binary 1001111010111010110010000
3 Ternary 1110011000002212
4 Quaternary 1033113112100
5 Quinary 20311230013
6 Senary 2021531252
8 Octal 117272620
10 Decimal 20805008
12 Duodecimal 6b73b28
16 Hexadecimal 13d7590
20 Vigesimal 6a0ca8
36 Base36 cdx8w

Cryptographic Hash Functions

md5 a17919973d638234bb9186a6912c8381
sha1 46c30efb6a2933169616d8233c68b378ba644f73
sha256 7f3698a292d9ef41a5729ee1c69e169fb8ea45734c32ea68366b56f6a84c4b95
sha512 7b57797cb75d502c5ee4d971f0970774d8e13cd78e6864623b77ec1aff614736f677e51225e9c0096b705e7d0b18331a04d21808c1f2acb7cb3003b33ef7a10e
ripemd-160 c5f9ab256c1d3cb5db44268980204994c2ba060b

20805008 as geometric shapes

Circle

Radius = n
Diameter 41610016
Circumference 130721720.58135
Area 1.3598332212344E+15

Sphere

Radius = n
Volume 3.772178806193E+22
Surface area 5.4393328849377E+15
Circumference 130721720.58135

Square

Length = n
Perimeter 83220032
Area 432848357880064
Diagonal 29422724.478881

Cube

Length = n
Surface area 2597090147280384
Volume 9.0054135484816E+21
Space diagonal 36035330.907877

Equilateral Triangle

Length = n
Perimeter 62415024
Area 1.8742883695526E+14
Altitude 18017665.453938

Triangular Pyramid

Length = n
Surface area 1.8742883695526E+14
Volume 1.0612981645868E+21
Height 9807574.8262936