20012905 (number)

20012905 is an odd 8-digits composite number following 20012904 and preceding 20012906. In scientific notation, it is written as 2.0012905 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 14554800 positive integers (up to 20012905) that are relatively prime to 20012905.

Interesting facts

Basic properties

Name

Name twenty million twelve thousand nine hundred five

Notation

Scientific notation 2.0012905 × 10^7
Engineering notation 2.0012905 × 10^6

Prime Factorization of 20012905

Prime Factorization 5 × 11 × 363871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20012905
Product of the distinct prime numbers

The prime factorization of 20012905 is 5 × 11 × 363871. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20012905)

Multiplication

n×y
n×2 40025810
n×3 60038715
n×4 80051620
n×5 100064525

Division

n÷y
n÷2 10006452.5
n÷3 6670968.3333333
n÷3 5003226.25
n÷5 4002581

Exponentiation

ny
n2 400516366539025
n3 8.0154959944907E+21
n4 1.6041335986562E+29
n5 3.2103373317215E+36

Nth Root

y√n
2√n 4473.5785451918
3√n 271.50013170577
4√n 66.884815505403
5√n 28.85772076591

Divisors of 20012905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20012904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20012905 can be divided by 8 positive divisors. The sum of these divisors (counting 20012905) is 1, the average is 0.125.

Base conversion 20012905

Base System Value
2 Binary 1001100010101111101101001
3 Ternary 1101122202112201
4 Quaternary 1030111331221
5 Quinary 20110403110
6 Senary 1552540201
8 Octal 114257551
10 Decimal 20012905
12 Duodecimal 6851661
16 Hexadecimal 1315f69
20 Vigesimal 651c55
36 Base36 bwy21

Cryptographic Hash Functions

md5 3995a49be0001d80d2b28013158f0d51
sha1 f9ba11715d6c05cecfe59d842a70ea38c9b69c36
sha256 894355a6914ab02cc66ba81c80e54bdf43cd9c8fc1046b40b4f78ffb9a89f070
sha512 a2de4d46e52dd7de5d7cfcfde98f1a4395cc5c75a41ecd5adbc8b06f7a5eb23b15e76faa018a7429a77a236495dc0e5c891e74e44318032393e6454465a48837
ripemd-160 8ce75250883b2bd854b82846356fa6ecbe75a2b5

20012905 as geometric shapes

Circle

Radius = n
Diameter 40025810
Circumference 125744790.64998
Area 1.2582592747615E+15

Sphere

Radius = n
Volume 3.3575231108227E+22
Surface area 5.0330370990459E+15
Circumference 125744790.64998

Square

Length = n
Perimeter 80051620
Area 400516366539025
Diagonal 28302521.673484

Cube

Length = n
Surface area 2403098199234150
Volume 8.0154959944907E+21
Space diagonal 34663368.267049

Equilateral Triangle

Length = n
Perimeter 60038715
Area 1.7342867402712E+14
Altitude 17331684.133525

Triangular Pyramid

Length = n
Surface area 1.7342867402712E+14
Volume 9.4463526204633E+20
Height 9434173.8911614