20781316 (number)

20781316 is an even 8-digits composite number following 20781315 and preceding 20781317. In scientific notation, it is written as 2.0781316 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10311080 positive integers (up to 20781316) that are relatively prime to 20781316.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0781316 × 10^7
Engineering notation 2.0781316 × 10^6

Prime Factorization of 20781316

Prime Factorization 2 × 2 × 131 × 39659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10390658
Product of the distinct prime numbers

The prime factorization of 20781316 is 2 × 2 × 131 × 39659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 85, 51, 858, 624, 7147, 4282, 1910, 92913, 316715, 615810, 5399493, 5248559, 6437521, 730255, 78777117, 121547752, 2572974234, 6266482737

Basic calculations (n = 20781316)

Multiplication

n×y
n×2 41562632
n×3 62343948
n×4 83125264
n×5 103906580

Division

n÷y
n÷2 10390658
n÷3 6927105.3333333
n÷3 5195329
n÷5 4156263.2

Exponentiation

ny
n2 431863094691856
n3 8.9746834395294E+21
n4 1.8650573255683E+29
n5 3.8758345640749E+36

Nth Root

y√n
2√n 4558.652871189
3√n 274.93140327615
4√n 67.517796699752
5√n 29.075996590219

Divisors of 20781316

1, 2, 4, 131, 262, 524, 39659, 79318, 158636, 5195329, 10390658, 20781316

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20781315
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781316 can be divided by 12 positive divisors. The sum of these divisors (counting 20781316) is 1, the average is 0.083333333333333.

Base conversion 20781316

Base System Value
2 Binary 1001111010001100100000100
3 Ternary 1110002210121101
4 Quaternary 1033101210010
5 Quinary 20310000231
6 Senary 2021225444
8 Octal 117214404
10 Decimal 20781316
12 Duodecimal 6b62284
16 Hexadecimal 13d1904
20 Vigesimal 69hd5g
36 Base36 cdeys

Cryptographic Hash Functions

md5 77672159f34d8c8359ca00f840963588
sha1 25aea418039f2d3a84d92bd743ad1afac0a389f1
sha256 fb030ced82b723508afd0ff0080ae47da3945a2f08c172bc896b6fd30e417170
sha512 8d1c6cafcb3f9e82901fc8c605b132b7fbf9d64705fc5a5c61fe414b0afd97f275d4e92dd7c3ba75a431376c290bb0ae749bf515333204be4aacf053a1358f39
ripemd-160 996519e7cae732c7df9cf9826a8c4ad72083ef41

20781316 as geometric shapes

Circle

Radius = n
Diameter 41562632
Circumference 130572859.35506
Area 1.3567379256405E+15

Sphere

Radius = n
Volume 3.7593066082559E+22
Surface area 5.426951702562E+15
Circumference 130572859.35506

Square

Length = n
Perimeter 83125264
Area 431863094691856
Diagonal 29389218.931161

Cube

Length = n
Surface area 2591178568151136
Volume 8.9746834395294E+21
Space diagonal 35994295.160144

Equilateral Triangle

Length = n
Perimeter 62343948
Area 1.8700220548006E+14
Altitude 17997147.580072

Triangular Pyramid

Length = n
Surface area 1.8700220548006E+14
Volume 1.0576765865156E+21
Height 9796406.310387