28013908 (number)

28013908 is an even 8-digits composite number following 28013907 and preceding 28013909. In scientific notation, it is written as 2.8013908 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 48 positive divisors. There are 12127104 positive integers (up to 28013908) that are relatively prime to 28013908.

Interesting facts

Basic properties

Name

Name twenty-eight million thirteen thousand nine hundred eight

Notation

Scientific notation 2.8013908 × 10^7
Engineering notation 2.8013908 × 10^6

Prime Factorization of 28013908

Prime Factorization 2 × 2 × 13 × 23 × 59 × 397

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 14006954
Product of the distinct prime numbers

The prime factorization of 28013908 is 2 × 2 × 13 × 23 × 59 × 397. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28013908)

Multiplication

n×y
n×2 56027816
n×3 84041724
n×4 112055632
n×5 140069540

Division

n÷y
n÷2 14006954
n÷3 9337969.3333333
n÷3 7003477
n÷5 5602781.6

Exponentiation

ny
n2 784779041432464
n3 2.1984727867017E+22
n4 6.1587814387166E+29
n5 1.7253153661631E+37

Nth Root

y√n
2√n 5292.816641449
3√n 303.70916610279
4√n 72.751746655658
5√n 30.865601131817

Divisors of 28013908

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28013907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28013908 can be divided by 48 positive divisors. The sum of these divisors (counting 28013908) is 1, the average is 0.020833333333333.

Base conversion 28013908

Base System Value
2 Binary 1101010110111010101010100
3 Ternary 1221201020212011
4 Quaternary 1222313111110
5 Quinary 24132421113
6 Senary 2440234004
8 Octal 152672524
10 Decimal 28013908
12 Duodecimal 946b904
16 Hexadecimal 1ab7554
20 Vigesimal 8f1ef8
36 Base36 gofo4

Cryptographic Hash Functions

md5 e3810e429c7758105b8c852b393add57
sha1 ed715321a8486b78ad1206c55bae42e4d68a1b0a
sha256 ae9053093c745f3394a7621e6e7550988cdd50ed5853d60eca4fdbf6a65f093b
sha512 a35ca2114969d55e6c5b85be68ae58dee7ff30a3997219b71dc502f5e3683cca4c748042d59198821350de8b4f0346bc740b3a93af9e971ba3b93606ae8b1580
ripemd-160 7fce69200525f6c4445a0995b5df924bb7fdbd7e

28013908 as geometric shapes

Circle

Radius = n
Diameter 56027816
Circumference 176016575.14228
Area 2.4654560712555E+15

Sphere

Radius = n
Volume 9.2089412744256E+22
Surface area 9.8618242850219E+15
Circumference 176016575.14228

Square

Length = n
Perimeter 112055632
Area 784779041432464
Diagonal 39617648.628672

Cube

Length = n
Surface area 4708674248594784
Volume 2.1984727867017E+22
Space diagonal 48521511.97456

Equilateral Triangle

Length = n
Perimeter 84041724
Area 3.3981929311906E+14
Altitude 24260755.98728

Triangular Pyramid

Length = n
Surface area 3.3981929311906E+14
Volume 2.5909250262181E+21
Height 13205882.876224