20781313 (number)

20781313 is an odd 8-digits composite number following 20781312 and preceding 20781314. In scientific notation, it is written as 2.0781313 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 17067456 positive integers (up to 20781313) that are relatively prime to 20781313.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0781313 × 10^7
Engineering notation 2.0781313 × 10^6

Prime Factorization of 20781313

Prime Factorization 7 × 29 × 167 × 613

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20781313
Product of the distinct prime numbers

The prime factorization of 20781313 is 7 × 29 × 167 × 613. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 8, 70, 543, 483, 8446, 8514, 76934, 36489, 679724, 244752, 305958, 6138615, 55431390, 73305716, 687073917, 313117183, 8128646417, 2316500427

Basic calculations (n = 20781313)

Multiplication

n×y
n×2 41562626
n×3 62343939
n×4 83125252
n×5 103906565

Division

n÷y
n÷2 10390656.5
n÷3 6927104.3333333
n÷3 5195328.25
n÷5 4156262.6

Exponentiation

ny
n2 431862970003969
n3 8.9746795527621E+21
n4 1.8650562486065E+29
n5 3.8758317664897E+36

Nth Root

y√n
2√n 4558.6525421444
3√n 274.93139004641
4√n 67.517794263027
5√n 29.075995750734

Divisors of 20781313

1, 7, 29, 167, 203, 613, 1169, 4291, 4843, 17777, 33901, 102371, 124439, 716597, 2968759, 20781313

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 -20781312
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 20781313 can be divided by 16 positive divisors. The sum of these divisors (counting 20781313) is 1, the average is 0.0625.

Base conversion 20781313

Base System Value
2 Binary 1001111010001100100000001
3 Ternary 1110002210121021
4 Quaternary 1033101210001
5 Quinary 20310000223
6 Senary 2021225441
8 Octal 117214401
10 Decimal 20781313
12 Duodecimal 6b62281
16 Hexadecimal 13d1901
20 Vigesimal 69hd5d
36 Base36 cdeyp

Cryptographic Hash Functions

md5 a6d494c3423de92610bedc2aca5f575b
sha1 e96cdabb0b22797e7d51e279ea5417984f025ebd
sha256 6cc2336b98cc4be18c4d1cfd1405985b968671fc416cea532f5463dea4d4a474
sha512 10893efd944e4a179fbb57b6ce8314789e76de27bf4237ec5184deac9d4d1cd775ac2fea92f3dd04ac4f604df6adf01b9d2e62b2c2211584537afe9246c40a99
ripemd-160 a204824bc10795fb97e0e4d5798a7130054b3007

20781313 as geometric shapes

Circle

Radius = n
Diameter 41562626
Circumference 130572840.5055
Area 1.3567375339219E+15

Sphere

Radius = n
Volume 3.7593049801707E+22
Surface area 5.4269501356878E+15
Circumference 130572840.5055

Square

Length = n
Perimeter 83125252
Area 431862970003969
Diagonal 29389214.68852

Cube

Length = n
Surface area 2591177820023814
Volume 8.9746795527621E+21
Space diagonal 35994289.963992

Equilateral Triangle

Length = n
Perimeter 62343939
Area 1.8700215148862E+14
Altitude 17997144.981996

Triangular Pyramid

Length = n
Surface area 1.8700215148862E+14
Volume 1.0576761284557E+21
Height 9796404.8961734