20290905 (number)

20290905 is an odd 8-digits composite number following 20290904 and preceding 20290906. In scientific notation, it is written as 2.0290905 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 10821600 positive integers (up to 20290905) that are relatively prime to 20290905.

Interesting facts

Basic properties

Name

Name twenty million two hundred ninety thousand nine hundred five

Notation

Scientific notation 2.0290905 × 10^7
Engineering notation 2.0290905 × 10^6

Prime Factorization of 20290905

Prime Factorization 9 × 9 × 5 × 50101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2254545
Product of the distinct prime numbers

The prime factorization of 20290905 is 9 × 9 × 5 × 50101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20290905)

Multiplication

n×y
n×2 40581810
n×3 60872715
n×4 81163620
n×5 101454525

Division

n÷y
n÷2 10145452.5
n÷3 6763635
n÷3 5072726.25
n÷5 4058181

Exponentiation

ny
n2 411720825719025
n3 8.3541881611863E+21
n4 1.6951403833076E+29
n5 3.4395932479357E+36

Nth Root

y√n
2√n 4504.5427070903
3√n 272.75149466688
4√n 67.115890123653
5√n 28.937451702357

Divisors of 20290905

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20290904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20290905 can be divided by 12 positive divisors. The sum of these divisors (counting 20290905) is 1, the average is 0.083333333333333.

Base conversion 20290905

Base System Value
2 Binary 1001101011001110101011001
3 Ternary 1102011212220000
4 Quaternary 1031121311121
5 Quinary 20143302110
6 Senary 2002523213
8 Octal 115316531
10 Decimal 20290905
12 Duodecimal 6966509
16 Hexadecimal 1359d59
20 Vigesimal 66g755
36 Base36 c2wk9

Cryptographic Hash Functions

md5 a4b6aa3999f69b3dc0c25363baf8a598
sha1 61719a2ab2e30b667f0d181d0a0ab8be6a09b339
sha256 641338cf4eaeca1705bb80e662ed886fe70678dbd886e126829183d9228d87ec
sha512 31f67781982cba157446a759c6932ec3d2b272e81266e0e2c1a524d03516e96467c7e6b92da16a4943f92d84892b1b1d95335191c1e0858f19fb5b4dda0afa6a
ripemd-160 07fd74951568e06543c80256030d9299f062cdc0

20290905 as geometric shapes

Circle

Radius = n
Diameter 40581810
Circumference 127491516.16538
Area 1.2934591214088E+15

Sphere

Radius = n
Volume 3.499394153852E+22
Surface area 5.1738364856352E+15
Circumference 127491516.16538

Square

Length = n
Perimeter 81163620
Area 411720825719025
Diagonal 28695673.043824

Cube

Length = n
Surface area 2470324954314150
Volume 8.3541881611863E+21
Space diagonal 35144878.391553

Equilateral Triangle

Length = n
Perimeter 60872715
Area 1.7828034716989E+14
Altitude 17572439.195777

Triangular Pyramid

Length = n
Surface area 1.7828034716989E+14
Volume 9.8455051668053E+20
Height 9565224.3479414