20781629 (number)

20781629 is an odd 8-digits composite number following 20781628 and preceding 20781630. In scientific notation, it is written as 2.0781629 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 17864000 positive integers (up to 20781629) that are relatively prime to 20781629.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0781629 × 10^7
Engineering notation 2.0781629 × 10^6

Prime Factorization of 20781629

Prime Factorization 41 × 11 × 11 × 71 × 59

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1889239
Product of the distinct prime numbers

The prime factorization of 20781629 is 41 × 11 × 11 × 71 × 59. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20781629)

Multiplication

n×y
n×2 41563258
n×3 62344887
n×4 83126516
n×5 103908145

Division

n÷y
n÷2 10390814.5
n÷3 6927209.6666667
n÷3 5195407.25
n÷5 4156325.8

Exponentiation

ny
n2 431876103893641
n3 8.9750889650831E+21
n4 1.8651696911435E+29
n5 3.8761264543389E+36

Nth Root

y√n
2√n 4558.6872013772
3√n 274.93278357207
4√n 67.518050929934
5√n 29.076084175934

Divisors of 20781629

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20781628
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781629 can be divided by 24 positive divisors. The sum of these divisors (counting 20781629) is 1, the average is 0.041666666666667.

Base conversion 20781629

Base System Value
2 Binary 1001111010001101000111101
3 Ternary 1110002211000222
4 Quaternary 1033101220331
5 Quinary 20310003004
6 Senary 2021231125
8 Octal 117215075
10 Decimal 20781629
12 Duodecimal 6b624a5
16 Hexadecimal 13d1a3d
20 Vigesimal 69he19
36 Base36 cdf7h

Cryptographic Hash Functions

md5 26cbdd2619a7fb91cdfc3035017eb126
sha1 b54166d0b8eccab96eb2f72d8980c55809d8a96a
sha256 9fb8754084a1bb62e574237a1573b73c4cde5d3dcf1a09d6b39569f7616e59b1
sha512 b91a5802860c434138100b934747e0b22305cfcbc297af01d528b34177b80b8eb162f1821101e5602021a4ca9372811155af0766e682f3ed84ad3f7cadc121be
ripemd-160 8bfb6edcae331897fee3498a6ea8b660f712efef

20781629 as geometric shapes

Circle

Radius = n
Diameter 41563258
Circumference 130574825.99206
Area 1.3567787952532E+15

Sphere

Radius = n
Volume 3.7594764744027E+22
Surface area 5.427115181013E+15
Circumference 130574825.99206

Square

Length = n
Perimeter 83126516
Area 431876103893641
Diagonal 29389661.580006

Cube

Length = n
Surface area 2591256623361846
Volume 8.9750889650831E+21
Space diagonal 35994837.292047

Equilateral Triangle

Length = n
Perimeter 62344887
Area 1.8700783862967E+14
Altitude 17997418.646023

Triangular Pyramid

Length = n
Surface area 1.8700783862967E+14
Volume 1.0577243781605E+21
Height 9796553.860002