20781320 (number)

20781320 is an even 8-digits composite number following 20781319 and preceding 20781321. In scientific notation, it is written as 2.0781320 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 32 positive divisors. There are 7124928 positive integers (up to 20781320) that are relatively prime to 20781320.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0781320 × 10^7
Engineering notation 2.0781320 × 10^6

Prime Factorization of 20781320

Prime Factorization 2 × 2 × 2 × 5 × 7 × 74219

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5195330
Product of the distinct prime numbers

The prime factorization of 20781320 is 2 × 2 × 2 × 5 × 7 × 74219. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 8, 78, 85, 548, 349, 8760, 1705, 20854, 66312, 793680, 987619, 6954377, 2050889, 21065941, 86910386, 713005710, 253053979, 2806119789, 4304381344

Basic calculations (n = 20781320)

Multiplication

n×y
n×2 41562640
n×3 62343960
n×4 83125280
n×5 103906600

Division

n÷y
n÷2 10390660
n÷3 6927106.6666667
n÷3 5195330
n÷5 4156264

Exponentiation

ny
n2 431863260942400
n3 8.9746886218875E+21
n4 1.865058761518E+29
n5 3.875838294191E+36

Nth Root

y√n
2√n 4558.6533099151
3√n 274.9314209158
4√n 67.517799948718
5√n 29.075997709531

Divisors of 20781320

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 74219, 148438, 296876, 371095, 519533, 593752, 742190, 1039066, 1484380, 2078132, 2597665, 2968760, 4156264, 5195330, 10390660, 20781320

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20781319
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781320 can be divided by 32 positive divisors. The sum of these divisors (counting 20781320) is 1, the average is 0.03125.

Base conversion 20781320

Base System Value
2 Binary 1001111010001100100001000
3 Ternary 1110002210121112
4 Quaternary 1033101210020
5 Quinary 20310000240
6 Senary 2021225452
8 Octal 117214410
10 Decimal 20781320
12 Duodecimal 6b62288
16 Hexadecimal 13d1908
20 Vigesimal 69hd60
36 Base36 cdeyw

Cryptographic Hash Functions

md5 634109b7ee4b197ac9ed154a4875f120
sha1 828406b4ffdd9ed35bbb3bea31bf17904c1c9d4f
sha256 45c13078bd944b0650899baad948019c91ea05e1ff8ef3ded5fddc9c044cb5e2
sha512 79cb3ac93165f0450652d5995f4b8ff1a6dc13526e9e93347e8ed38209bc888de538a991683897e75468b5abc35cfbbf2dcbd63a9dccc8e017065b9fce7c5143
ripemd-160 cde59fdf43084cddffa60a357c4a9d877df2bf07

20781320 as geometric shapes

Circle

Radius = n
Diameter 41562640
Circumference 130572884.4878
Area 1.356738447932E+15

Sphere

Radius = n
Volume 3.759308779037E+22
Surface area 5.4269537917279E+15
Circumference 130572884.4878

Square

Length = n
Perimeter 83125280
Area 431863260942400
Diagonal 29389224.588015

Cube

Length = n
Surface area 2591179565654400
Volume 8.9746886218875E+21
Space diagonal 35994302.088347

Equilateral Triangle

Length = n
Perimeter 62343960
Area 1.8700227746865E+14
Altitude 17997151.044174

Triangular Pyramid

Length = n
Surface area 1.8700227746865E+14
Volume 1.0576771972624E+21
Height 9796408.1960051