20731980 (number)

20731980 is an even 8-digits composite number following 20731979 and preceding 20731981. In scientific notation, it is written as 2.0731980 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 5528512 positive integers (up to 20731980) that are relatively prime to 20731980.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand nine hundred eighty

Notation

Scientific notation 2.0731980 × 10^7
Engineering notation 2.0731980 × 10^6

Prime Factorization of 20731980

Prime Factorization 2 × 2 × 3 × 5 × 345533

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10365990
Product of the distinct prime numbers

The prime factorization of 20731980 is 2 × 2 × 3 × 5 × 345533. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731980)

Multiplication

n×y
n×2 41463960
n×3 62195940
n×4 82927920
n×5 103659900

Division

n÷y
n÷2 10365990
n÷3 6910660
n÷3 5182995
n÷5 4146396

Exponentiation

ny
n2 429814994720400
n3 8.9109158742434E+21
n4 1.847409296865E+29
n5 3.8300452594419E+36

Nth Root

y√n
2√n 4553.2384079905
3√n 274.71366339543
4√n 67.47768822352
5√n 29.062177854791

Divisors of 20731980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731980 can be divided by 24 positive divisors. The sum of these divisors (counting 20731980) is 1, the average is 0.041666666666667.

Base conversion 20731980

Base System Value
2 Binary 1001111000101100001001100
3 Ternary 1110000021221010
4 Quaternary 1033011201030
5 Quinary 20301410410
6 Senary 2020205220
8 Octal 117054114
10 Decimal 20731980
12 Duodecimal 6b39810
16 Hexadecimal 13c584c
20 Vigesimal 69b9j0
36 Base36 cccwc

Cryptographic Hash Functions

md5 a15d847bbb6b81e15b3b54ed4acede47
sha1 3f3985914d5c4a660e66ab60ea9d10341873ae02
sha256 7f5a7765a29f321c7b89142f78bd5defddbc3449b97fb8463e4cb7ce372d3b52
sha512 cf91e8a7e6b9e21b4bcede7d2a1f07031298a9babfcaa9ae8c21503cac45c4c89931b35d1f06e78d630a5321442089be823c1e00485732ed43138afd2e87daf5
ripemd-160 5f58151a577c8765c24708a94c4a452ab0c93379

20731980 as geometric shapes

Circle

Radius = n
Diameter 41463960
Circumference 130262872.12474
Area 1.3503036298163E+15

Sphere

Radius = n
Volume 3.7325957129706E+22
Surface area 5.4012145192654E+15
Circumference 130262872.12474

Square

Length = n
Perimeter 82927920
Area 429814994720400
Diagonal 29319447.290848

Cube

Length = n
Surface area 2578889968322400
Volume 8.9109158742434E+21
Space diagonal 35908842.701502

Equilateral Triangle

Length = n
Perimeter 62195940
Area 1.8611535217767E+14
Altitude 17954421.350751

Triangular Pyramid

Length = n
Surface area 1.8611535217767E+14
Volume 1.0501615068767E+21
Height 9773149.0969493