20732981 (number)

20732981 is an odd 8-digits composite number following 20732980 and preceding 20732982. In scientific notation, it is written as 2.0732981 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20723532 positive integers (up to 20732981) that are relatively prime to 20732981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0732981 × 10^7
Engineering notation 2.0732981 × 10^6

Prime Factorization of 20732981

Prime Factorization 3463 × 5987

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20732981
Product of the distinct prime numbers

The prime factorization of 20732981 is 3463 × 5987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20732981)

Multiplication

n×y
n×2 41465962
n×3 62198943
n×4 82931924
n×5 103664905

Division

n÷y
n÷2 10366490.5
n÷3 6910993.6666667
n÷3 5183245.25
n÷5 4146596.2

Exponentiation

ny
n2 429856501146361
n3 8.912206670994E+21
n4 1.8477661157779E+29
n5 3.8309699770867E+36

Nth Root

y√n
2√n 4553.3483284282
3√n 274.71808464787
4√n 67.478502713295
5√n 29.062458490583

Divisors of 20732981

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 -20732980
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 20732981 can be divided by 4 positive divisors. The sum of these divisors (counting 20732981) is 1, the average is 0.25.

Base conversion 20732981

Base System Value
2 Binary 1001111000101110000110101
3 Ternary 1110000100022012
4 Quaternary 1033011300311
5 Quinary 20301423411
6 Senary 2020214005
8 Octal 117056065
10 Decimal 20732981
12 Duodecimal 6b3a305
16 Hexadecimal 13c5c35
20 Vigesimal 69bc91
36 Base36 ccdo5

Cryptographic Hash Functions

md5 4017c8ee1d3dcfbe0322a1d2e3032238
sha1 bc8a7371d165a86f310897f1bdf7f2bcd0cc46f0
sha256 dcde9358b3154a28586428ab2819e60e3c56674072bebbf755352c4a5676e77e
sha512 567bd2b02743d07348255ee022e07a3a2daa1f957f571ecc0b5fd36e756efe88a8b791a3229c3b1409dfd6f5107f2130440fd064facc532f53ee7796ac1929d5
ripemd-160 cdc2916e8e9d7b1267459f9ad43dff604111e32f

20732981 as geometric shapes

Circle

Radius = n
Diameter 41465962
Circumference 130269161.59323
Area 1.3504340260992E+15

Sphere

Radius = n
Volume 3.7331364006492E+22
Surface area 5.4017361043969E+15
Circumference 130269161.59323

Square

Length = n
Perimeter 82931924
Area 429856501146361
Diagonal 29320862.918624

Cube

Length = n
Surface area 2579139006878166
Volume 8.912206670994E+21
Space diagonal 35910576.48436

Equilateral Triangle

Length = n
Perimeter 62198943
Area 1.8613332498732E+14
Altitude 17955288.24218

Triangular Pyramid

Length = n
Surface area 1.8613332498732E+14
Volume 1.0503136287326E+21
Height 9773620.9728746