20404891 (number)

20404891 is an odd 8-digits composite number following 20404890 and preceding 20404892. In scientific notation, it is written as 2.0404891 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 18835128 positive integers (up to 20404891) that are relatively prime to 20404891.

Interesting facts

Basic properties

Name

Name twenty million four hundred four thousand eight hundred ninety-one

Notation

Scientific notation 2.0404891 × 10^7
Engineering notation 2.0404891 × 10^6

Prime Factorization of 20404891

Prime Factorization 13 × 13 × 120739

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1569607
Product of the distinct prime numbers

The prime factorization of 20404891 is 13 × 13 × 120739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 2, 87, 885, 117, 2908, 1750, 97063, 53227, 542053, 786821, 5874575, 8644704, 85485793, 48495379, 727561806, 824088441, 7696316858, 6363358647

Basic calculations (n = 20404891)

Multiplication

n×y
n×2 40809782
n×3 61214673
n×4 81619564
n×5 102024455

Division

n÷y
n÷2 10202445.5
n÷3 6801630.3333333
n÷3 5101222.75
n÷5 4080978.2

Exponentiation

ny
n2 416359576721881
n3 8.4957717798161E+21
n4 1.7335529712802E+29
n5 3.5372959421699E+36

Nth Root

y√n
2√n 4517.1773266056
3√n 273.26127669636
4√n 67.2099496102
5√n 28.969890644676

Divisors of 20404891

1, 13, 169, 120739, 1569607, 20404891

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20404890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20404891 can be divided by 6 positive divisors. The sum of these divisors (counting 20404891) is 1, the average is 0.16666666666667.

Base conversion 20404891

Base System Value
2 Binary 1001101110101101010011011
3 Ternary 1102101200020201
4 Quaternary 1031311222123
5 Quinary 20210424031
6 Senary 2005203031
8 Octal 115655233
10 Decimal 20404891
12 Duodecimal 6a00477
16 Hexadecimal 1375a9b
20 Vigesimal 67ac4b
36 Base36 c5cij

Cryptographic Hash Functions

md5 844432ad180c5ef9b43e146f3ee46f84
sha1 281cad32c56a2f4a3b6ecfa33d6c26ca09e26b69
sha256 4ee4820e3a0f8d4fc3db144ab6c0e1bb35ed8dfc024bef868dd5f39e22413976
sha512 a9d0bbb0d5d7cd495940c6b032b5f3f32c5ef180d6df8d8dad5922fd7ea375e7a0db8eb4bc8b453607a733c8841884199b089756d5714589b8d28fb8554e9799
ripemd-160 68602c281466d3ea1b5e3bbf8917f6033f88879b

20404891 as geometric shapes

Circle

Radius = n
Diameter 40809782
Circumference 128207711.3258
Area 1.3080321874812E+15

Sphere

Radius = n
Volume 3.5587005613394E+22
Surface area 5.2321287499249E+15
Circumference 128207711.3258

Square

Length = n
Perimeter 81619564
Area 416359576721881
Diagonal 28856873.590945

Cube

Length = n
Surface area 2498157460331286
Volume 8.4957717798161E+21
Space diagonal 35342307.934905

Equilateral Triangle

Length = n
Perimeter 61214673
Area 1.8028898527504E+14
Altitude 17671153.967452

Triangular Pyramid

Length = n
Surface area 1.8028898527504E+14
Volume 1.0012363061535E+21
Height 9618957.8636482