20020905 (number)

20020905 is an odd 8-digits composite number following 20020904 and preceding 20020906. In scientific notation, it is written as 2.0020905 × 10^7. The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors. There are 10677744 positive integers (up to 20020905) that are relatively prime to 20020905.

Interesting facts

Basic properties

Name

Name twenty million twenty thousand nine hundred five

Notation

Scientific notation 2.0020905 × 10^7
Engineering notation 2.0020905 × 10^6

Prime Factorization of 20020905

Prime Factorization 135 × 148303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20020905
Product of the distinct prime numbers

The prime factorization of 20020905 is 135 × 148303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20020905)

Multiplication

n×y
n×2 40041810
n×3 60062715
n×4 80083620
n×5 100104525

Division

n÷y
n÷2 10010452.5
n÷3 6673635
n÷3 5005226.25
n÷5 4004181

Exponentiation

ny
n2 400836637019025
n3 8.0251122302774E+21
n4 1.6067000957672E+29
n5 3.2167589980846E+36

Nth Root

y√n
2√n 4474.4725946194
3√n 271.53630356096
4√n 66.891498672248
5√n 28.860027526082

Divisors of 20020905

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20020904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20020905 can be divided by 4 positive divisors. The sum of these divisors (counting 20020905) is 1, the average is 0.25.

Base conversion 20020905

Base System Value
2 Binary 1001100010111111010101001
3 Ternary 1101200011112000
4 Quaternary 1030113322221
5 Quinary 20111132110
6 Senary 1553041213
8 Octal 114277251
10 Decimal 20020905
12 Duodecimal 6856209
16 Hexadecimal 1317ea9
20 Vigesimal 652c55
36 Base36 bx489

Cryptographic Hash Functions

md5 29b37f49102b370dd11185857bc8e259
sha1 3ced9582e2d66600efd9a3f8230bdff1c12acb8f
sha256 faef328f01a7f7348e577c980e9f54c364fb89676554c6298239259f6f71a750
sha512 027b59d808e9c94b2fa231703845ad25000f56e97ffad0c1da6fa0fa3eae2818b2628dbe296e73e50269568a248542f627b29e75f779de9c6c8d75f1c9ad936c
ripemd-160 8e006eaa2ad7e9ca4a5d5f03ddef843185cd4dc4

20020905 as geometric shapes

Circle

Radius = n
Diameter 40041810
Circumference 125795056.13244
Area 1.2592654341486E+15

Sphere

Radius = n
Volume 3.3615511502497E+22
Surface area 5.0370617365944E+15
Circumference 125795056.13244

Square

Length = n
Perimeter 80083620
Area 400836637019025
Diagonal 28313835.381983

Cube

Length = n
Surface area 2405019822114150
Volume 8.0251122302774E+21
Space diagonal 34677224.67351

Equilateral Triangle

Length = n
Perimeter 60062715
Area 1.73567355213E+14
Altitude 17338612.336755

Triangular Pyramid

Length = n
Surface area 1.73567355213E+14
Volume 9.4576854630204E+20
Height 9437945.1273278