68909520 (number)
68909520 is an even 8-digits composite number following 68909519 and preceding 68909521. In scientific notation, it is written as 6.8909520 × 10^7. The sum of its digits is 39. It has a total of 8 prime factors and 80 positive divisors. There are 17428480 positive integers (up to 68909520) that are relatively prime to 68909520.
Interesting facts
- 68909520 has 80 divisors, whose sum is 149990400
- The reverse of 68909520 is 02590986
- Previous prime number is 47
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
Name | sixty-eight million nine hundred nine thousand five hundred twenty |
---|
Notation
Scientific notation | 6.8909520 × 10^7 |
---|---|
Engineering notation | 6.8909520 × 10^6 |
Prime Factorization of 68909520
Prime Factorization 2 × 2 × 2 × 2 × 15 × 41 × 47 × 149
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 8613690 | Product of the distinct prime numbers |
The prime factorization of 68909520 is 2 × 2 × 2 × 2 × 15 × 41 × 47 × 149. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 68909520)
Multiplication
n×yn×2 | 137819040 |
---|---|
n×3 | 206728560 |
n×4 | 275638080 |
n×5 | 344547600 |
Division
n÷yn÷2 | 34454760 |
---|---|
n÷3 | 22969840 |
n÷3 | 17227380 |
n÷5 | 13781904 |
Exponentiation
nyn2 | 4748521946630400 |
---|---|
n3 | 3.2721836805177E+23 |
n4 | 2.2548460677631E+31 |
n5 | 1.5538036020344E+39 |
Nth Root
y√n2√n | 8301.1758203281 |
---|---|
3√n | 409.97723450831 |
4√n | 91.110788715322 |
5√n | 36.953522690711 |
Divisors of 68909520
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -68909519 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 68909520 can be divided by 80 positive divisors. The sum of these divisors (counting 68909520) is 1, the average is 0.0125.
Base conversion 68909520
Base | System | Value |
---|---|---|
2 | Binary | 100000110110111100111010000 |
3 | Ternary | 11210122222002110 |
4 | Quaternary | 10012313213100 |
5 | Quinary | 120120101040 |
6 | Senary | 10500545320 |
8 | Octal | 406674720 |
10 | Decimal | 68909520 |
12 | Duodecimal | 1b0b2240 |
16 | Hexadecimal | 41b79d0 |
20 | Vigesimal | 11addg0 |
36 | Base36 | 150yxc |
Cryptographic Hash Functions
md5 | 0e8192557916f254784c4a1f60e637d1 |
---|---|
sha1 | 9cdc17cf82a214584def233d37d2300aab8c268d |
sha256 | 8720568911ac6dd91db001ceebbe085411355052159ea6e29856e3b28ca88b69 |
sha512 | 0762dfda87d4342f51d3a87fd27d7708f71469ddd60d7c658ad7ffd4a293f7b725af18db6189fdd8712146bdead7a40161b5759a6bae7339e28d5e49b475f319 |
ripemd-160 | b22c02d3bb6a5373e95530034d8bd8cfdfd0f1d1 |
68909520 as geometric shapes
Circle
Radius = nDiameter | 137819040 |
---|---|
Circumference | 432971283.5888 |
Area | 1.4917921662944E+16 |
Sphere
Radius = nVolume | 1.3706490949214E+24 |
---|---|
Surface area | 5.9671686651776E+16 |
Circumference | 432971283.5888 |
Square
Length = nPerimeter | 275638080 |
---|---|
Area | 4748521946630400 |
Diagonal | 97452777.76062 |
Cube
Length = nSurface area | 28491131679782400 |
---|---|
Volume | 3.2721836805177E+23 |
Space diagonal | 119354789.76518 |
Equilateral Triangle
Length = nPerimeter | 206728560 |
---|---|
Area | 2.0561703181049E+15 |
Altitude | 59677394.882592 |
Triangular Pyramid
Length = nSurface area | 2.0561703181049E+15 |
---|---|
Volume | 3.8563054496367E+22 |
Height | 32484259.25354 |