20787091 (number)

20787091 is an odd 8-digits composite number following 20787090 and preceding 20787092. In scientific notation, it is written as 2.0787091 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 19078752 positive integers (up to 20787091) that are relatively prime to 20787091.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-seven thousand ninety-one

Notation

Scientific notation 2.0787091 × 10^7
Engineering notation 2.0787091 × 10^6

Prime Factorization of 20787091

Prime Factorization 13 × 179 × 8933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20787091
Product of the distinct prime numbers

The prime factorization of 20787091 is 13 × 179 × 8933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20787091)

Multiplication

n×y
n×2 41574182
n×3 62361273
n×4 83148364
n×5 103935455

Division

n÷y
n÷2 10393545.5
n÷3 6929030.3333333
n÷3 5196772.75
n÷5 4157418.2

Exponentiation

ny
n2 432103152242281
n3 8.9821675470471E+21
n4 1.8671313417772E+29
n5 3.8812229110474E+36

Nth Root

y√n
2√n 4559.2862379982
3√n 274.95686816656
4√n 67.522486906202
5√n 29.077612418769

Divisors of 20787091

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20787090
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20787091 can be divided by 8 positive divisors. The sum of these divisors (counting 20787091) is 1, the average is 0.125.

Base conversion 20787091

Base System Value
2 Binary 1001111010010111110010011
3 Ternary 1110010002112021
4 Quaternary 1033102332103
5 Quinary 20310141331
6 Senary 2021312311
8 Octal 117227623
10 Decimal 20787091
12 Duodecimal 6b65697
16 Hexadecimal 13d2f93
20 Vigesimal 69i7eb
36 Base36 cdjf7

Cryptographic Hash Functions

md5 2a60ca34814e7268cca70cc116264546
sha1 1ae685dbf09df6dbe814cb324b299b39e9f7d31d
sha256 1a4b2bfc0b685750263fb89f7bcb279b9d89512344aaba23aff7b9aa476d96b0
sha512 87034d647b0ca04d5a2ccedf4934aa57eeed509d067a30ef1a518295ffee23eae195c7f5686c22e2b02c5655bafa8788ba8b66d79b89df7ccc8443649c0083cc
ripemd-160 63a68ef7a167ee29d7aeec2299032965430ae526

20787091 as geometric shapes

Circle

Radius = n
Diameter 41574182
Circumference 130609144.75021
Area 1.3574920886773E+15

Sphere

Radius = n
Volume 3.7624415438821E+22
Surface area 5.4299683547094E+15
Circumference 130609144.75021

Square

Length = n
Perimeter 83148364
Area 432103152242281
Diagonal 29397386.014484

Cube

Length = n
Surface area 2592618913453686
Volume 8.9821675470471E+21
Space diagonal 36004297.753558

Equilateral Triangle

Length = n
Perimeter 62361273
Area 1.8710615344858E+14
Altitude 18002148.876779

Triangular Pyramid

Length = n
Surface area 1.8710615344858E+14
Volume 1.0585585970451E+21
Height 9799128.6714946