20781360 (number)

20781360 is an even 8-digits composite number following 20781359 and preceding 20781361. In scientific notation, it is written as 2.0781360 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 40 positive divisors. There are 5536512 positive integers (up to 20781360) that are relatively prime to 20781360.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0781360 × 10^7
Engineering notation 2.0781360 × 10^6

Prime Factorization of 20781360

Prime Factorization 2 × 2 × 2 × 2 × 27 × 45 × 1069

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2597670
Product of the distinct prime numbers

The prime factorization of 20781360 is 2 × 2 × 2 × 2 × 27 × 45 × 1069. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 9, 92, 16, 597, 536, 3533, 8310, 38860, 48846, 48308, 587089, 8468606, 9123122, 96714022, 76722147, 562661501, 543159319, 8509508289, 2647256788

Basic calculations (n = 20781360)

Multiplication

n×y
n×2 41562720
n×3 62344080
n×4 83125440
n×5 103906800

Division

n÷y
n÷2 10390680
n÷3 6927120
n÷3 5195340
n÷5 4156272

Exponentiation

ny
n2 431864923449600
n3 8.9747404455786E+21
n4 1.8650731210613E+29
n5 3.8758755955098E+36

Nth Root

y√n
2√n 4558.6576971736
3√n 274.9315973122
4√n 67.517832438354
5√n 29.076008902651

Divisors of 20781360

1, 2, 4, 8, 16, 27, 45, 54, 90, 108, 180, 216, 360, 432, 720, 1069, 1215, 2138, 2430, 4276, 4860, 8552, 9720, 17104, 19440, 28863, 48105, 57726, 96210, 115452, 192420, 230904, 384840, 461808, 769680, 1298835, 2597670, 5195340, 10390680, 20781360

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20781359
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781360 can be divided by 40 positive divisors. The sum of these divisors (counting 20781360) is 1, the average is 0.025.

Base conversion 20781360

Base System Value
2 Binary 1001111010001100100110000
3 Ternary 1110002210200000
4 Quaternary 1033101210300
5 Quinary 20310000420
6 Senary 2021230000
8 Octal 117214460
10 Decimal 20781360
12 Duodecimal 6b62300
16 Hexadecimal 13d1930
20 Vigesimal 69hd80
36 Base36 cdf00

Cryptographic Hash Functions

md5 e05b3be4150fe7916a9d145b537949f0
sha1 8c107dda7b08abc079f50407a4dfd855a7e67452
sha256 a3b2db2b0b5915f7b34b6311c18ff1071f5603e7a023804fa3f1385df28bea71
sha512 42bcac13180306261b5a7c30da097da7aa98b12cd5beaf9f0b26a7a8e2b69facdeb0f0dabbe0a3f9276f92b51f40c3664c9adc520d642750440344d8e0f4013d
ripemd-160 4cfa6bfbeb10d2d2eaf75c9f7a7ea71c38be5f60

20781360 as geometric shapes

Circle

Radius = n
Diameter 41562720
Circumference 130573135.81521
Area 1.3567436708524E+15

Sphere

Radius = n
Volume 3.759330486894E+22
Surface area 5.4269746834095E+15
Circumference 130573135.81521

Square

Length = n
Perimeter 83125440
Area 431864923449600
Diagonal 29389281.156558

Cube

Length = n
Surface area 2591189540697600
Volume 8.9747404455786E+21
Space diagonal 35994371.37038

Equilateral Triangle

Length = n
Perimeter 62344080
Area 1.8700299735539E+14
Altitude 17997185.68519

Triangular Pyramid

Length = n
Surface area 1.8700299735539E+14
Volume 1.057683304743E+21
Height 9796427.0521859