20731385 (number)

20731385 is an odd 8-digits composite number following 20731384 and preceding 20731386. In scientific notation, it is written as 2.0731385 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16585104 positive integers (up to 20731385) that are relatively prime to 20731385.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand three hundred eighty-five

Notation

Scientific notation 2.0731385 × 10^7
Engineering notation 2.0731385 × 10^6

Prime Factorization of 20731385

Prime Factorization 5 × 4146277

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20731385
Product of the distinct prime numbers

The prime factorization of 20731385 is 5 × 4146277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731385)

Multiplication

n×y
n×2 41462770
n×3 62194155
n×4 82925540
n×5 103656925

Division

n÷y
n÷2 10365692.5
n÷3 6910461.6666667
n÷3 5182846.25
n÷5 4146277

Exponentiation

ny
n2 429790324018225
n3 8.9101486764966E+21
n4 1.8471972261969E+29
n5 3.829495686722E+36

Nth Root

y√n
2√n 4553.1730694099
3√n 274.71103531081
4√n 67.477204072264
5√n 29.062011038169

Divisors of 20731385

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 -20731384
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 20731385 can be divided by 4 positive divisors. The sum of these divisors (counting 20731385) is 1, the average is 0.25.

Base conversion 20731385

Base System Value
2 Binary 1001111000101010111111001
3 Ternary 1110000021010002
4 Quaternary 1033011113321
5 Quinary 20301401020
6 Senary 2020202345
8 Octal 117052771
10 Decimal 20731385
12 Duodecimal 6b393b5
16 Hexadecimal 13c55f9
20 Vigesimal 69b895
36 Base36 cccft

Cryptographic Hash Functions

md5 1e1c26129faff6afec6a958c63010876
sha1 3ed76e69f992a62f6feedb8af264878a5f14526b
sha256 eb62c8d4878282e601b3aaa102780186b1fce4d5e5b9c4918ab50a5f73c9ab20
sha512 606edca578b2661dbd6eac8f0cf98c2e7b47c3b5814f2b9bf588256ea8e6245279eed139ded99a01576a1bad5051db91c7802fea8ce6cd2bcc534887fe49d4fc
ripemd-160 b1990deff3326a61bc773c4e1736bf402102d88d

20731385 as geometric shapes

Circle

Radius = n
Diameter 41462770
Circumference 130259133.62948
Area 1.3502261245196E+15

Sphere

Radius = n
Volume 3.7322743499299E+22
Surface area 5.4009044980785E+15
Circumference 130259133.62948

Square

Length = n
Perimeter 82925540
Area 429790324018225
Diagonal 29318605.833778

Cube

Length = n
Surface area 2578741944109350
Volume 8.9101486764966E+21
Space diagonal 35907812.131271

Equilateral Triangle

Length = n
Perimeter 62194155
Area 1.8610466945026E+14
Altitude 17953906.065636

Triangular Pyramid

Length = n
Surface area 1.8610466945026E+14
Volume 1.0500710917552E+21
Height 9772868.6112594