121489720 (number)
121489720 is an even 9-digits composite number following 121489719 and preceding 121489721. In scientific notation, it is written as 1.21489720 × 10^8. The sum of its digits is 34. It has a total of 6 prime factors and 32 positive divisors. There are 44177920 positive integers (up to 121489720) that are relatively prime to 121489720.
Interesting facts
- 121489720 has 32 divisors, whose sum is 298203120
- The reverse of 121489720 is 027984121
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 34
- Digital Root 7
Name
Name | one hundred twenty-one million four hundred eighty-nine thousand seven hundred twenty |
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Notation
Scientific notation | 1.21489720 × 10^8 |
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Engineering notation | 1.21489720 × 10^6 |
Prime Factorization of 121489720
Prime Factorization 2 × 2 × 2 × 5 × 11 × 276113
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 30372430 | Product of the distinct prime numbers |
The prime factorization of 121489720 is 2 × 2 × 2 × 5 × 11 × 276113. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 121489720)
Multiplication
n×yn×2 | 242979440 |
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n×3 | 364469160 |
n×4 | 485958880 |
n×5 | 607448600 |
Division
n÷yn÷2 | 60744860 |
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n÷3 | 40496573.333333 |
n÷3 | 30372430 |
n÷5 | 24297944 |
Exponentiation
nyn2 | 14759752065678400 |
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n3 | 1.7931581457287E+24 |
n4 | 2.178502810403E+32 |
n5 | 2.6466569645507E+40 |
Nth Root
y√n2√n | 11022.237522391 |
---|---|
3√n | 495.27511829325 |
4√n | 104.98684452059 |
5√n | 41.391189394406 |
Divisors of 121489720
32 divisors
τ | Total Divisors | 32 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -121489719 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.03125 | 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 | 32 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 121489720 can be divided by 32 positive divisors. The sum of these divisors (counting 121489720) is 1, the average is 0.03125.
Base conversion 121489720
Base | System | Value |
---|---|---|
2 | Binary | 111001111011100100100111000 |
3 | Ternary | 22110121022120021 |
4 | Quaternary | 13033130210320 |
5 | Quinary | 222100132340 |
6 | Senary | 20015540224 |
8 | Octal | 717344470 |
10 | Decimal | 121489720 |
12 | Duodecimal | 3482a674 |
16 | Hexadecimal | 73dc938 |
20 | Vigesimal | 1hj6460 |
36 | Base36 | 20by2g |
Cryptographic Hash Functions
md5 | 9cb8499f719cf825d5895758a3932fe2 |
---|---|
sha1 | 42f731be508796a78dfb6f95efe372b39f6afb16 |
sha256 | 8faa257f2e384038b92268bda7514040ab6f0d8d8bb6342636b74d5029a6e3e0 |
sha512 | b7882cf089d41aba4c7a25d0fae4febd0f827032811493cc757d215b4728cfdde6aa237ef8ff2590120a7892affc64f961477f62f481f00720ed0025c03dee6a |
ripemd-160 | ba749e0e321b0f7769496415dd049e2dc502aae9 |
121489720 as geometric shapes
Circle
Radius = nDiameter | 242979440 |
---|---|
Circumference | 763342423.67736 |
Area | 4.6369128658342E+16 |
Sphere
Radius = nVolume | 7.5111632764613E+24 |
---|---|
Surface area | 1.8547651463337E+17 |
Circumference | 763342423.67736 |
Square
Length = nPerimeter | 485958880 |
---|---|
Area | 14759752065678400 |
Diagonal | 171812409.71291 |
Cube
Length = nSurface area | 88558512394070400 |
---|---|
Volume | 1.7931581457287E+24 |
Space diagonal | 210426367.63732 |
Equilateral Triangle
Length = nPerimeter | 364469160 |
---|---|
Area | 6.3911601212187E+15 |
Altitude | 105213183.81866 |
Triangular Pyramid
Length = nSurface area | 6.3911601212187E+15 |
---|---|
Volume | 2.1132571409744E+23 |
Height | 57270803.237637 |