20000905 (number)

20000905 is an odd 8-digits composite number following 20000904 and preceding 20000906. In scientific notation, it is written as 2.0000905 × 10^7. The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors. There are 15344640 positive integers (up to 20000905) that are relatively prime to 20000905.

Interesting facts

Basic properties

Name

Name twenty million nine hundred five

Notation

Scientific notation 2.0000905 × 10^7
Engineering notation 2.0000905 × 10^6

Prime Factorization of 20000905

Prime Factorization 5 × 37 × 73 × 1481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20000905
Product of the distinct prime numbers

The prime factorization of 20000905 is 5 × 37 × 73 × 1481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20000905)

Multiplication

n×y
n×2 40001810
n×3 60002715
n×4 80003620
n×5 100004525

Division

n÷y
n÷2 10000452.5
n÷3 6666968.3333333
n÷3 5000226.25
n÷5 4000181

Exponentiation

ny
n2 400036200819025
n3 8.0010860491422E+21
n4 1.6002896196572E+29
n5 3.200724065525E+36

Nth Root

y√n
2√n 4472.237135931
3√n 271.44585584431
4√n 66.874786997275
5√n 28.854259242101

Divisors of 20000905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20000904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20000905 can be divided by 16 positive divisors. The sum of these divisors (counting 20000905) is 1, the average is 0.0625.

Base conversion 20000905

Base System Value
2 Binary 1001100010011000010001001
3 Ternary 1101122011002021
4 Quaternary 1030103002021
5 Quinary 20110012110
6 Senary 1552404441
8 Octal 114230211
10 Decimal 20000905
12 Duodecimal 6846721
16 Hexadecimal 1313089
20 Vigesimal 650255
36 Base36 bwosp

Cryptographic Hash Functions

md5 230eb480379f4db43c48e3071bb050a6
sha1 bfc3e6ef21ee53aa3b76758f1a92b24f8b0b645e
sha256 16429e36982951615cc787ac871aded5dacb1e95f70dc2473d6bb0427b6157e2
sha512 3c6ef974172aea53fca4459935b884916b67cf085bf56182615b854694d466ee277b8752b4046a317722b3676a7d2c2386d7013c25efb13f6228a65211314ff5
ripemd-160 f67d4c527d7d7143c30267ed5dc2312bd7a1f2e7

20000905 as geometric shapes

Circle

Radius = n
Diameter 40001810
Circumference 125669392.42629
Area 1.256750789663E+15

Sphere

Radius = n
Volume 3.35148708703E+22
Surface area 5.0270031586521E+15
Circumference 125669392.42629

Square

Length = n
Perimeter 80003620
Area 400036200819025
Diagonal 28285551.110736

Cube

Length = n
Surface area 2400217204914150
Volume 8.0010860491422E+21
Space diagonal 34642583.657358

Equilateral Triangle

Length = n
Perimeter 60002715
Area 1.7322075617134E+14
Altitude 17321291.828679

Triangular Pyramid

Length = n
Surface area 1.7322075617134E+14
Volume 9.4293703370093E+20
Height 9428517.036912