20642015 (number)

20642015 is an odd 8-digits composite number following 20642014 and preceding 20642016. In scientific notation, it is written as 2.0642015 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 16470432 positive integers (up to 20642015) that are relatively prime to 20642015.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-two thousand fifteen

Notation

Scientific notation 2.0642015 × 10^7
Engineering notation 2.0642015 × 10^6

Prime Factorization of 20642015

Prime Factorization 5 × 397 × 10399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20642015
Product of the distinct prime numbers

The prime factorization of 20642015 is 5 × 397 × 10399. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20642015)

Multiplication

n×y
n×2 41284030
n×3 61926045
n×4 82568060
n×5 103210075

Division

n÷y
n÷2 10321007.5
n÷3 6880671.6666667
n÷3 5160503.75
n÷5 4128403

Exponentiation

ny
n2 426092783260225
n3 8.7954136234493E+21
n4 1.8155505994645E+29
n5 3.7476622707404E+36

Nth Root

y√n
2√n 4543.3484348
3√n 274.31572021322
4√n 67.404365101973
5√n 29.036911295621

Divisors of 20642015

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 -20642014
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 20642015 can be divided by 8 positive divisors. The sum of these divisors (counting 20642015) is 1, the average is 0.125.

Base conversion 20642015

Base System Value
2 Binary 1001110101111100011011111
3 Ternary 1102211201112002
4 Quaternary 1032233203133
5 Quinary 20241021030
6 Senary 2014232515
8 Octal 116574337
10 Decimal 20642015
12 Duodecimal 6ab573b
16 Hexadecimal 13af8df
20 Vigesimal 69050f
36 Base36 cafhb

Cryptographic Hash Functions

md5 d000a639cf4d297e6592ad6bae7fb4ba
sha1 62da2ab31ca03510a95caa4389bf6ca1d6066784
sha256 51deb2811537d85ebd0c8c928686e43d6a4f5f3d7720415d06433e721cf40a37
sha512 3dd0b4adba7ead21375ad724625110967be23e13feeef7004f772ce3dd9d8d52621b39d3f85e5c6c22d2cc7f7edc6b9cc85c50d1a511ded63ca22ed8d93c2bcc
ripemd-160 988b0ca1519a53fccef426827b5f9ce18cf24479

20642015 as geometric shapes

Circle

Radius = n
Diameter 41284030
Circumference 129697605.35858
Area 1.338609957638E+15

Sphere

Radius = n
Volume 3.6842142432949E+22
Surface area 5.3544398305518E+15
Circumference 129697605.35858

Square

Length = n
Perimeter 82568060
Area 426092783260225
Diagonal 29192217.567709

Cube

Length = n
Surface area 2556556699561350
Volume 8.7954136234493E+21
Space diagonal 35753018.750599

Equilateral Triangle

Length = n
Perimeter 61926045
Area 1.8450358733629E+14
Altitude 17876509.375299

Triangular Pyramid

Length = n
Surface area 1.8450358733629E+14
Volume 1.0365494360803E+21
Height 9730739.1892363