20809944 (number)

20809944 is an even 8-digits composite number following 20809943 and preceding 20809945. In scientific notation, it is written as 2.0809944 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors. There are 6909504 positive integers (up to 20809944) that are relatively prime to 20809944.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred forty-four

Notation

Scientific notation 2.0809944 × 10^7
Engineering notation 2.0809944 × 10^6

Prime Factorization of 20809944

Prime Factorization 2 × 2 × 2 × 9 × 389 × 743

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5202486
Product of the distinct prime numbers

The prime factorization of 20809944 is 2 × 2 × 2 × 9 × 389 × 743. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 9, 14, 94, 272, 433, 6880, 2514, 62368, 40318, 123716, 797167, 4781921, 5253755, 89471168, 41948013, 978131613, 947680139, 2680510172, 6165524464

Basic calculations (n = 20809944)

Multiplication

n×y
n×2 41619888
n×3 62429832
n×4 83239776
n×5 104049720

Division

n÷y
n÷2 10404972
n÷3 6936648
n÷3 5202486
n÷5 4161988.8

Exponentiation

ny
n2 433053769283136
n3 9.011824687771E+21
n4 1.8753556709033E+29
n5 3.902604649158E+36

Nth Root

y√n
2√n 4561.7917532478
3√n 275.0575923455
4√n 67.541037549388
5√n 29.084003102758

Divisors of 20809944

1, 2, 4, 8, 9, 18, 36, 72, 389, 743, 778, 1486, 1556, 2972, 3112, 3501, 5944, 6687, 7002, 13374, 14004, 26748, 28008, 53496, 289027, 578054, 1156108, 2312216, 2601243, 5202486, 10404972, 20809944

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 -20809943
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 20809944 can be divided by 32 positive divisors. The sum of these divisors (counting 20809944) is 1, the average is 0.03125.

Base conversion 20809944

Base System Value
2 Binary 1001111011000100011011000
3 Ternary 1110011020212200
4 Quaternary 1033120203120
5 Quinary 20311404234
6 Senary 2022010200
8 Octal 117304330
10 Decimal 20809944
12 Duodecimal 6b76960
16 Hexadecimal 13d88d8
20 Vigesimal 6a14h4
36 Base36 ce120

Cryptographic Hash Functions

md5 e96c1e0c78b3c4d7e8d98c3faeb22106
sha1 1c3692d1616f57493110c004c3fe126d295c7017
sha256 d477f67174bde48e93b6a61c3c03648852e5ccf8a0b85bdaa2ced985a226a283
sha512 cd390c6476deb33416bdeb7ceb8db7e968847a9d596b05e91e0b6de2ad711f8854a2eb5865639e02f7717d4660b53b6dc55a08ba470579a4d8344a94037a4460
ripemd-160 7ea677eb8a92ff4763f634719756d9489d1aa475

20809944 as geometric shapes

Circle

Radius = n
Diameter 41619888
Circumference 130752734.38403
Area 1.3604785401893E+15

Sphere

Radius = n
Volume 3.7748642979387E+22
Surface area 5.4419141607571E+15
Circumference 130752734.38403

Square

Length = n
Perimeter 83239776
Area 433053769283136
Diagonal 29429705.037025

Cube

Length = n
Surface area 2598322615698816
Volume 9.011824687771E+21
Space diagonal 36043880.310663

Equilateral Triangle

Length = n
Perimeter 62429832
Area 1.875177827019E+14
Altitude 18021940.155332

Triangular Pyramid

Length = n
Surface area 1.875177827019E+14
Volume 1.0620537245979E+21
Height 9809901.6790082