20787028 (number)

20787028 is an even 8-digits composite number following 20787027 and preceding 20787029. In scientific notation, it is written as 2.0787028 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10301312 positive integers (up to 20787028) that are relatively prime to 20787028.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-seven thousand twenty-eight

Notation

Scientific notation 2.0787028 × 10^7
Engineering notation 2.0787028 × 10^6

Prime Factorization of 20787028

Prime Factorization 2 × 2 × 113 × 45989

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10393514
Product of the distinct prime numbers

The prime factorization of 20787028 is 2 × 2 × 113 × 45989. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20787028)

Multiplication

n×y
n×2 41574056
n×3 62361084
n×4 83148112
n×5 103935140

Division

n÷y
n÷2 10393514
n÷3 6929009.3333333
n÷3 5196757
n÷5 4157405.6

Exponentiation

ny
n2 432100533072784
n3 8.9820858797989E+21
n4 1.8671087068178E+29
n5 3.8811640967666E+36

Nth Root

y√n
2√n 4559.2793290168
3√n 274.9565903932
4√n 67.522435745586
5√n 29.077594793486

Divisors of 20787028

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 -20787027
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 20787028 can be divided by 12 positive divisors. The sum of these divisors (counting 20787028) is 1, the average is 0.083333333333333.

Base conversion 20787028

Base System Value
2 Binary 1001111010010111101010100
3 Ternary 1110010002102221
4 Quaternary 1033102331110
5 Quinary 20310141103
6 Senary 2021312124
8 Octal 117227524
10 Decimal 20787028
12 Duodecimal 6b65644
16 Hexadecimal 13d2f54
20 Vigesimal 69i7b8
36 Base36 cdjdg

Cryptographic Hash Functions

md5 424d1e86bf4cf98c1914ed6c99cbb7d6
sha1 eb1559e90d7bee5a061bd2f1af7d8e96451c0f1b
sha256 b0eaafd678c3e529cdcf82d87da9d098da6ddaa7dd68554224e5ff316907aaa6
sha512 3d8d1c540c8177107a352bd8bdd7947eef71155dc51c5c2acc83cfb1c31da8401ec9f8627789063ce7302e66a6ffbd4ec5fc9248aa447a5d0c71bf3ae7c2c6d5
ripemd-160 d957d2d48b625da5379ec7f56a98af467fb78567

20787028 as geometric shapes

Circle

Radius = n
Diameter 41574056
Circumference 130608748.90953
Area 1.3574838603137E+15

Sphere

Radius = n
Volume 3.7624073351852E+22
Surface area 5.4299354412548E+15
Circumference 130608748.90953

Square

Length = n
Perimeter 83148112
Area 432100533072784
Diagonal 29397296.919029

Cube

Length = n
Surface area 2592603198436704
Volume 8.9820858797989E+21
Space diagonal 36004188.634357

Equilateral Triangle

Length = n
Perimeter 62361084
Area 1.8710501931491E+14
Altitude 18002094.317178

Triangular Pyramid

Length = n
Surface area 1.8710501931491E+14
Volume 1.0585489724676E+21
Height 9799098.9730098