20128515 (number)

20128515 is an odd 8-digits composite number following 20128514 and preceding 20128516. In scientific notation, it is written as 2.0128515 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 9528960 positive integers (up to 20128515) that are relatively prime to 20128515.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand five hundred fifteen

Notation

Scientific notation 2.0128515 × 10^7
Engineering notation 2.0128515 × 10^6

Prime Factorization of 20128515

Prime Factorization 3 × 55 × 43 × 2837

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20128515
Product of the distinct prime numbers

The prime factorization of 20128515 is 3 × 55 × 43 × 2837. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128515)

Multiplication

n×y
n×2 40257030
n×3 60385545
n×4 80514060
n×5 100642575

Division

n÷y
n÷2 10064257.5
n÷3 6709505
n÷3 5032128.75
n÷5 4025703

Exponentiation

ny
n2 405157116105225
n3 8.1552110888808E+21
n4 1.641522887307E+29
n5 3.3041418060003E+36

Nth Root

y√n
2√n 4486.4813607102
3√n 272.02192639708
4√n 66.981201547227
5√n 28.890984888514

Divisors of 20128515

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128514
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128515 can be divided by 16 positive divisors. The sum of these divisors (counting 20128515) is 1, the average is 0.0625.

Base conversion 20128515

Base System Value
2 Binary 1001100110010001100000011
3 Ternary 1101212122010120
4 Quaternary 1030302030003
5 Quinary 20123103030
6 Senary 1555231323
8 Octal 114621403
10 Decimal 20128515
12 Duodecimal 68a8543
16 Hexadecimal 1332303
20 Vigesimal 65g15f
36 Base36 bzf9f

Cryptographic Hash Functions

md5 d32cbda3c1157a1eb5dadcc38764af8a
sha1 fe1650a6647e8970dea480bfc7626320696bb13a
sha256 2fbcd20ae2d27f2dc516363d3bac8eb5a9711082533834a0985c586248bf4c02
sha512 b44b848b93608d014849babc2dc47a1f56c709e2d91d5216fb4dcdab7f71c716d40c6d4a001ae2f0cfca1190d7d848044ef7f7792e666a0c0f8d15f714cff9b0
ripemd-160 cfc11842eaa8157069a24ecf72c94fe5aca3018b

20128515 as geometric shapes

Circle

Radius = n
Diameter 40257030
Circumference 126471189.70334
Area 1.2728386195058E+15

Sphere

Radius = n
Volume 3.4160468327069E+22
Surface area 5.0913544780232E+15
Circumference 126471189.70334

Square

Length = n
Perimeter 80514060
Area 405157116105225
Diagonal 28466018.90343

Cube

Length = n
Surface area 2430942696631350
Volume 8.1552110888808E+21
Space diagonal 34863610.660912

Equilateral Triangle

Length = n
Perimeter 60385545
Area 1.7543817753558E+14
Altitude 17431805.330456

Triangular Pyramid

Length = n
Surface area 1.7543817753558E+14
Volume 9.6110084382589E+20
Height 9488672.9678101