20781329 (number)

20781329 is an odd 8-digits prime number following 20781328 and preceding 20781330. In scientific notation, it is written as 2.0781329 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 20781328 positive integers (up to 20781329) that are relatively prime to 20781329.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0781329 × 10^7
Engineering notation 2.0781329 × 10^6

Prime Factorization of 20781329

Prime Factorization 20781329

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20781329
Product of the distinct prime numbers

The prime factorization of 20781329 is 20781329. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20781329)

Multiplication

n×y
n×2 41562658
n×3 62343987
n×4 83125316
n×5 103906645

Division

n÷y
n÷2 10390664.5
n÷3 6927109.6666667
n÷3 5195332.25
n÷5 4156265.8

Exponentiation

ny
n2 431863635006241
n3 8.9747002822006E+21
n4 1.865061992408E+29
n5 3.8758466869627E+36

Nth Root

y√n
2√n 4558.6542970486
3√n 274.93146060501
4√n 67.51780725889
5√n 29.076000227985

Divisors of 20781329

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20781330
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10390665
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4558.6544067301
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999037598
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781329 can be divided by 2 positive divisors. The sum of these divisors (counting 20781329) is 20781330, the average is 10390665.

Base conversion 20781329

Base System Value
2 Binary 1001111010001100100010001
3 Ternary 1110002210121212
4 Quaternary 1033101210101
5 Quinary 20310000304
6 Senary 2021225505
8 Octal 117214421
10 Decimal 20781329
12 Duodecimal 6b62295
16 Hexadecimal 13d1911
20 Vigesimal 69hd69
36 Base36 cdez5

Cryptographic Hash Functions

md5 b45a6365769581f8f03c9ccf6a7ca53b
sha1 0d6da974d84190b4d31399c593759ab7295381e2
sha256 555bc199137856ba4614c87a9c267364bbfe4bc40fc51f634a4647c1d2fe4cab
sha512 d09e9c475ac56baf49738deac14ba5195b59d0932d7312ffa67e3df50a0fb987f08e7e02bcfd1daebd6ca93e88c52dc2e0d34d70dc2f9b2c5244946d11ece205
ripemd-160 8972d0060bc43425551ef9af6570ed3087d921be

20781329 as geometric shapes

Circle

Radius = n
Diameter 41562658
Circumference 130572941.03647
Area 1.3567396230882E+15

Sphere

Radius = n
Volume 3.7593136632976E+22
Surface area 5.4269584923528E+15
Circumference 130572941.03647

Square

Length = n
Perimeter 83125316
Area 431863635006241
Diagonal 29389237.315937

Cube

Length = n
Surface area 2591181810037446
Volume 8.9747002822006E+21
Space diagonal 35994317.676805

Equilateral Triangle

Length = n
Perimeter 62343987
Area 1.8700243944305E+14
Altitude 17997158.838402

Triangular Pyramid

Length = n
Surface area 1.8700243944305E+14
Volume 1.0576785714435E+21
Height 9796412.4386458