20781375 (number)

20781375 is an odd 8-digits composite number following 20781374 and preceding 20781376. In scientific notation, it is written as 2.0781375 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 10980000 positive integers (up to 20781375) that are relatively prime to 20781375.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0781375 × 10^7
Engineering notation 2.0781375 × 10^6

Prime Factorization of 20781375

Prime Factorization 15 × 25 × 151 × 367

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20781375
Product of the distinct prime numbers

The prime factorization of 20781375 is 15 × 25 × 151 × 367. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 19, 41, 964, 218, 5364, 7041, 89963, 31062, 951895, 612866, 8561384, 7947479, 14634699, 3129367, 720311846, 449330506, 8370680977, 5164703714

Basic calculations (n = 20781375)

Multiplication

n×y
n×2 41562750
n×3 62344125
n×4 83125500
n×5 103906875

Division

n÷y
n÷2 10390687.5
n÷3 6927125
n÷3 5195343.75
n÷5 4156275

Exponentiation

ny
n2 431865546890625
n3 8.9747598795142E+21
n4 1.8650785059114E+29
n5 3.8758895835784E+36

Nth Root

y√n
2√n 4558.6593423944
3√n 274.93166346079
4√n 67.517844621955
5√n 29.076013100067

Divisors of 20781375

1, 15, 25, 151, 367, 375, 2265, 3775, 5505, 9175, 55417, 56625, 137625, 831255, 1385425, 20781375

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 -20781374
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 20781375 can be divided by 16 positive divisors. The sum of these divisors (counting 20781375) is 1, the average is 0.0625.

Base conversion 20781375

Base System Value
2 Binary 1001111010001100100111111
3 Ternary 1110002210200120
4 Quaternary 1033101210333
5 Quinary 20310001000
6 Senary 2021230023
8 Octal 117214477
10 Decimal 20781375
12 Duodecimal 6b62313
16 Hexadecimal 13d193f
20 Vigesimal 69hd8f
36 Base36 cdf0f

Cryptographic Hash Functions

md5 1117c35f7c97aed99556da7e05b6f0f7
sha1 0692dc67971a457642606e6ea2e5fdf24ef95884
sha256 234c73d2890d3711428bdd8df0e9cd7b69e48982d3a0dd6c88c4677648f2ffaf
sha512 b27ecd6236864d24fad42149ef0f08b335eeb9ab5cd81144b233319cd825aedb39854fafa881379e52f7788d08ebc7e1f47de2a8fb099dd4c2a4a8c454edf389
ripemd-160 892098329d2dee224d3adf5d45a1536bec4398d4

20781375 as geometric shapes

Circle

Radius = n
Diameter 41562750
Circumference 130573230.06299
Area 1.3567456294501E+15

Sphere

Radius = n
Volume 3.7593386273619E+22
Surface area 5.4269825178005E+15
Circumference 130573230.06299

Square

Length = n
Perimeter 83125500
Area 431865546890625
Diagonal 29389302.369761

Cube

Length = n
Surface area 2591193281343750
Volume 8.9747598795142E+21
Space diagonal 35994397.351142

Equilateral Triangle

Length = n
Perimeter 62344125
Area 1.8700326731327E+14
Altitude 17997198.675571

Triangular Pyramid

Length = n
Surface area 1.8700326731327E+14
Volume 1.0576855950542E+21
Height 9796434.1232537