20512690 (number)

20512690 is an even 8-digits composite number following 20512689 and preceding 20512691. In scientific notation, it is written as 2.0512690 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 7459120 positive integers (up to 20512690) that are relatively prime to 20512690.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand six hundred ninety

Notation

Scientific notation 2.0512690 × 10^7
Engineering notation 2.0512690 × 10^6

Prime Factorization of 20512690

Prime Factorization 2 × 55 × 186479

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20512690
Product of the distinct prime numbers

The prime factorization of 20512690 is 2 × 55 × 186479. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512690)

Multiplication

n×y
n×2 41025380
n×3 61538070
n×4 82050760
n×5 102563450

Division

n÷y
n÷2 10256345
n÷3 6837563.3333333
n÷3 5128172.5
n÷5 4102538

Exponentiation

ny
n2 420770451036100
n3 8.6311338232637E+21
n4 1.7704777246512E+29
n5 3.6317260717676E+36

Nth Root

y√n
2√n 4529.0937283302
3√n 273.74164469262
4√n 67.298541799434
5√n 29.000435740163

Divisors of 20512690

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 -20512689
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 20512690 can be divided by 8 positive divisors. The sum of these divisors (counting 20512690) is 1, the average is 0.125.

Base conversion 20512690

Base System Value
2 Binary 1001110001111111110110010
3 Ternary 1102121011010021
4 Quaternary 1032033332302
5 Quinary 20222401230
6 Senary 2011354054
8 Octal 116177662
10 Decimal 20512690
12 Duodecimal 6a5292a
16 Hexadecimal 138ffb2
20 Vigesimal 6841ea
36 Base36 c7noy

Cryptographic Hash Functions

md5 3b2383ee0401e79d4ef93f8ed9759f58
sha1 5e27343b503eab7f68fad3c86d5ddcd997d21730
sha256 518991f90d424db00cfcb8dec85a989b8a27b69af1edf8f683cfc92a0dbdee57
sha512 a8d7297f1c3ba44cab5372a99ff4533f5a484294032c90d16d2f31dbe47e12b7942cb90d6496f60cf01385eb176ccebd95078c0b37f0a4814c240554c79adf3e
ripemd-160 7a0d7fa783daa401f381676c8807ee1eb239a3a4

20512690 as geometric shapes

Circle

Radius = n
Diameter 41025380
Circumference 128885032.41873
Area 1.3218893578227E+15

Sphere

Radius = n
Volume 3.6154008815087E+22
Surface area 5.2875574312907E+15
Circumference 128885032.41873

Square

Length = n
Perimeter 82050760
Area 420770451036100
Diagonal 29009324.398755

Cube

Length = n
Surface area 2524622706216600
Volume 8.6311338232637E+21
Space diagonal 35529021.27991

Equilateral Triangle

Length = n
Perimeter 61538070
Area 1.8219894987955E+14
Altitude 17764510.639955

Triangular Pyramid

Length = n
Surface area 1.8219894987955E+14
Volume 1.0171888759597E+21
Height 9669774.799585