15138840 (number)
15138840 is an even 8-digits composite number following 15138839 and preceding 15138841. In scientific notation, it is written as 1.5138840 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 64 positive divisors. There are 3686400 positive integers (up to 15138840) that are relatively prime to 15138840.
Interesting facts
- 15138840 has 64 divisors, whose sum is 33022080
- The reverse of 15138840 is 04883151
- Previous prime number is 181
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
Name | fifteen million one hundred thirty-eight thousand eight hundred forty |
---|
Notation
Scientific notation | 1.5138840 × 10^7 |
---|---|
Engineering notation | 1.5138840 × 10^6 |
Prime Factorization of 15138840
Prime Factorization 2 × 2 × 2 × 15 × 17 × 181 × 41
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 3784710 | Product of the distinct prime numbers |
The prime factorization of 15138840 is 2 × 2 × 2 × 15 × 17 × 181 × 41. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 15138840)
Multiplication
n×yn×2 | 30277680 |
---|---|
n×3 | 45416520 |
n×4 | 60555360 |
n×5 | 75694200 |
Division
n÷yn÷2 | 7569420 |
---|---|
n÷3 | 5046280 |
n÷3 | 3784710 |
n÷5 | 3027768 |
Exponentiation
nyn2 | 229184476545600 |
---|---|
n3 | 3.4695871209076E+21 |
n4 | 5.2525524289481E+28 |
n5 | 7.9517550813456E+35 |
Nth Root
y√n2√n | 3890.8662274614 |
---|---|
3√n | 247.37978040646 |
4√n | 62.376808410349 |
5√n | 27.290941582412 |
Divisors of 15138840
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -15138839 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 15138840 can be divided by 64 positive divisors. The sum of these divisors (counting 15138840) is 1, the average is 0.015625.
Base conversion 15138840
Base | System | Value |
---|---|---|
2 | Binary | 111001110000000000011000 |
3 | Ternary | 1001111010120210 |
4 | Quaternary | 321300000120 |
5 | Quinary | 12333420330 |
6 | Senary | 1300251120 |
8 | Octal | 71600030 |
10 | Decimal | 15138840 |
12 | Duodecimal | 50a0aa0 |
16 | Hexadecimal | e70018 |
20 | Vigesimal | 4ec720 |
36 | Base36 | 90h7c |
Cryptographic Hash Functions
md5 | 567901e798b66282abef96f660c80d4b |
---|---|
sha1 | 89902c018720243cc64dc76e980538ff8d539d5a |
sha256 | e091b6c3c714d264a042806fd7f99af7c35aa8acd515fe142fd16bb743646f3d |
sha512 | e91c59acfc5a74a7d7fd3eb159859bde8743a0a2933e867240e32c525b14dbc1ae62caf5e153cae5c35dd36175d545561a55e52e0465812375d8a613e701c6f8 |
ripemd-160 | 30b8ffd8e4a6808447955754646192014fe12d1d |
15138840 as geometric shapes
Circle
Radius = nDiameter | 30277680 |
---|---|
Circumference | 95120137.055743 |
Area | 7.2000426783248E+14 |
Sphere
Radius = nVolume | 1.4533372546711E+22 |
---|---|
Surface area | 2.8800170713299E+15 |
Circumference | 95120137.055743 |
Square
Length = nPerimeter | 60555360 |
---|---|
Area | 229184476545600 |
Diagonal | 21409552.846596 |
Cube
Length = nSurface area | 1375106859273600 |
---|---|
Volume | 3.4695871209076E+21 |
Space diagonal | 26221240.047656 |
Equilateral Triangle
Length = nPerimeter | 45416520 |
---|---|
Area | 99239789420764 |
Altitude | 13110620.023828 |
Triangular Pyramid
Length = nSurface area | 99239789420764 |
---|---|
Volume | 4.0889476351854E+20 |
Height | 7136517.6155321 |