20781325 (number)

20781325 is an odd 8-digits composite number following 20781324 and preceding 20781326. In scientific notation, it is written as 2.0781325 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 16625040 positive integers (up to 20781325) that are relatively prime to 20781325.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0781325 × 10^7
Engineering notation 2.0781325 × 10^6

Prime Factorization of 20781325

Prime Factorization 5 × 5 × 831253

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 4156265
Product of the distinct prime numbers

The prime factorization of 20781325 is 5 × 5 × 831253. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20781325)

Multiplication

n×y
n×2 41562650
n×3 62343975
n×4 83125300
n×5 103906625

Division

n÷y
n÷2 10390662.5
n÷3 6927108.3333333
n÷3 5195331.25
n÷5 4156265

Exponentiation

ny
n2 431863468755625
n3 8.974695099838E+21
n4 1.8650605564564E+29
n5 3.8758429568401E+36

Nth Root

y√n
2√n 4558.6538583227
3√n 274.93144296536
4√n 67.517804009925
5√n 29.075999108672

Divisors of 20781325

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20781324
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781325 can be divided by 6 positive divisors. The sum of these divisors (counting 20781325) is 1, the average is 0.16666666666667.

Base conversion 20781325

Base System Value
2 Binary 1001111010001100100001101
3 Ternary 1110002210121201
4 Quaternary 1033101210031
5 Quinary 20310000300
6 Senary 2021225501
8 Octal 117214415
10 Decimal 20781325
12 Duodecimal 6b62291
16 Hexadecimal 13d190d
20 Vigesimal 69hd65
36 Base36 cdez1

Cryptographic Hash Functions

md5 319c885e0455a663ae5712d73044f774
sha1 bf9d84824965fa4e2b43f2960beffe7ee05e1acc
sha256 563b390b1cf57939aac9b916634478beaabb11397748391b2e65ad772ef15a5d
sha512 85f0a613709360bbcb0ace0fb801e9963e902ed8999995cf97bea52518be76ac5a0c5c31dbc850575bc21f2795b9b3bf2e4ed8e3bb8ab8b63981020104cd89e8
ripemd-160 38922af4b3654687b00ba80f3774ec55f8837e12

20781325 as geometric shapes

Circle

Radius = n
Diameter 41562650
Circumference 130572915.90372
Area 1.3567391007965E+15

Sphere

Radius = n
Volume 3.7593114925146E+22
Surface area 5.4269564031859E+15
Circumference 130572915.90372

Square

Length = n
Perimeter 83125300
Area 431863468755625
Diagonal 29389231.659083

Cube

Length = n
Surface area 2591180812533750
Volume 8.974695099838E+21
Space diagonal 35994310.748601

Equilateral Triangle

Length = n
Perimeter 62343975
Area 1.8700236745442E+14
Altitude 17997155.374301

Triangular Pyramid

Length = n
Surface area 1.8700236745442E+14
Volume 1.0576779606962E+21
Height 9796410.5530277