20809998 (number)

20809998 is an even 8-digits composite number following 20809997 and preceding 20809999. In scientific notation, it is written as 2.0809998 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 6264720 positive integers (up to 20809998) that are relatively prime to 20809998.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred ninety-eight

Notation

Scientific notation 2.0809998 × 10^7
Engineering notation 2.0809998 × 10^6

Prime Factorization of 20809998

Prime Factorization 2 × 9 × 11 × 227 × 463

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20809998
Product of the distinct prime numbers

The prime factorization of 20809998 is 2 × 9 × 11 × 227 × 463. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 9, 30, 33, 250, 131, 3628, 5995, 20896, 1574, 413345, 523486, 9815894, 6958737, 87413006, 97811292, 42650871, 41137383, 6543650908, 5653185048

Basic calculations (n = 20809998)

Multiplication

n×y
n×2 41619996
n×3 62429994
n×4 83239992
n×5 104049990

Division

n÷y
n÷2 10404999
n÷3 6936666
n÷3 5202499.5
n÷5 4161999.6

Exponentiation

ny
n2 433056016760004
n3 9.0118948426636E+21
n4 1.8753751365204E+29
n5 3.9026552840239E+36

Nth Root

y√n
2√n 4561.797671971
3√n 275.05783026216
4√n 67.541081365129
5√n 29.084018196836

Divisors of 20809998

1, 2, 9, 11, 18, 22, 99, 198, 227, 454, 463, 926, 2043, 2497, 4086, 4167, 4994, 5093, 8334, 10186, 22473, 44946, 45837, 91674, 105101, 210202, 945909, 1156111, 1891818, 2312222, 10404999, 20809998

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 -20809997
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 20809998 can be divided by 32 positive divisors. The sum of these divisors (counting 20809998) is 1, the average is 0.03125.

Base conversion 20809998

Base System Value
2 Binary 1001111011000100100001110
3 Ternary 1110011020221200
4 Quaternary 1033120210032
5 Quinary 20311404443
6 Senary 2022010330
8 Octal 117304416
10 Decimal 20809998
12 Duodecimal 6b769a6
16 Hexadecimal 13d890e
20 Vigesimal 6a14ji
36 Base36 ce13i

Cryptographic Hash Functions

md5 210607d605e99c6560303feaa9da5973
sha1 4098eead50a847cf88b8b90621ee2af04ee0f28b
sha256 014e2b0eb8dabb129726e47b0856e1a9bdf8b509d9c6948dfa6beb14c8eeff6f
sha512 0bb33e75c2e4873b4f96903a9a79f3361faee8c698b3b3037f990d415a31280482af4d4812d758d3a0d04f3bda00e79fd5b54b6a14b5b9510e1a74605dcc43c5
ripemd-160 e2252da4d9c513faf98d3a7350d7279f23b01ac0

20809998 as geometric shapes

Circle

Radius = n
Diameter 41619996
Circumference 130753073.67604
Area 1.3604856008461E+15

Sphere

Radius = n
Volume 3.7748936843514E+22
Surface area 5.4419424033843E+15
Circumference 130753073.67604

Square

Length = n
Perimeter 83239992
Area 433056016760004
Diagonal 29429781.404557

Cube

Length = n
Surface area 2598336100560024
Volume 9.0118948426636E+21
Space diagonal 36043973.841407

Equilateral Triangle

Length = n
Perimeter 62429994
Area 1.8751875588793E+14
Altitude 18021986.920703

Triangular Pyramid

Length = n
Surface area 1.8751875588793E+14
Volume 1.0620619924313E+21
Height 9809927.1348523