121998144 (number)
121998144 is an even 9-digits composite number following 121998143 and preceding 121998145. In scientific notation, it is written as 1.21998144 × 10^8. The sum of its digits is 39. It has a total of 10 prime factors and 112 positive divisors. There are 38776320 positive integers (up to 121998144) that are relatively prime to 121998144.
Interesting facts
- 121998144 has 112 divisors, whose sum is 338124800
- The reverse of 121998144 is 441899121
- Previous prime number is 103
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 39
- Digital Root 3
Name
Name | one hundred twenty-one million nine hundred ninety-eight thousand one hundred forty-four |
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Notation
Scientific notation | 1.21998144 × 10^8 |
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Engineering notation | 1.21998144 × 10^6 |
Prime Factorization of 121998144
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 31 × 103 × 199
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 3812442 | Product of the distinct prime numbers |
The prime factorization of 121998144 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 31 × 103 × 199. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 121998144)
Multiplication
n×yn×2 | 243996288 |
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n×3 | 365994432 |
n×4 | 487992576 |
n×5 | 609990720 |
Division
n÷yn÷2 | 60999072 |
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n÷3 | 40666048 |
n÷3 | 30499536 |
n÷5 | 24399628.8 |
Exponentiation
nyn2 | 14883547139444736 |
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n3 | 1.8157651271488E+24 |
n4 | 2.2151997545207E+32 |
n5 | 2.7025025864079E+40 |
Nth Root
y√n2√n | 11045.276999695 |
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3√n | 495.96505130098 |
4√n | 105.09651278561 |
5√n | 41.425775258763 |
Divisors of 121998144
112 divisors
τ | Total Divisors | 112 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -121998143 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0089285714285714 | 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 | 112 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 121998144 can be divided by 112 positive divisors. The sum of these divisors (counting 121998144) is 1, the average is 0.0089285714285714.
Base conversion 121998144
Base | System | Value |
---|---|---|
2 | Binary | 111010001011000101101000000 |
3 | Ternary | 22111120010222210 |
4 | Quaternary | 13101120231000 |
5 | Quinary | 222212420034 |
6 | Senary | 20034502120 |
8 | Octal | 721305500 |
10 | Decimal | 121998144 |
12 | Duodecimal | 34a34940 |
16 | Hexadecimal | 7458b40 |
20 | Vigesimal | 1i29f74 |
36 | Base36 | 20mudc |
Cryptographic Hash Functions
md5 | b7d4972dfdda8691dbe418ae0ce9cb5f |
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sha1 | 904128e7b9378f9b2a0e6ce3c6a8461f2fb8b9fb |
sha256 | ca8467f0bb4e829cf9dfdc2757291d161115a48c0bd32b44172ab529c1101193 |
sha512 | 9bda366e999c2fc04a30b469c35195f332d7885c436f4557c4a47b0f7f4585a1d0d443b8145cdaa081a2bdb3560342de9bd41ada3f2f8533765c10081a1b62c5 |
ripemd-160 | 93ded605976a3a75be3d0eb5f0f63adfa8b44718 |
121998144 as geometric shapes
Circle
Radius = nDiameter | 243996288 |
---|---|
Circumference | 766536945.88398 |
Area | 4.6758042352637E+16 |
Sphere
Radius = nVolume | 7.6058591787935E+24 |
---|---|
Surface area | 1.8703216941055E+17 |
Circumference | 766536945.88398 |
Square
Length = nPerimeter | 487992576 |
---|---|
Area | 14883547139444736 |
Diagonal | 172531429.82915 |
Cube
Length = nSurface area | 89301282836668416 |
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Volume | 1.8157651271488E+24 |
Space diagonal | 211306983.8371 |
Equilateral Triangle
Length = nPerimeter | 365994432 |
---|---|
Area | 6.4447649605912E+15 |
Altitude | 105653491.91855 |
Triangular Pyramid
Length = nSurface area | 6.4447649605912E+15 |
---|---|
Volume | 2.1398997240816E+23 |
Height | 57510476.609715 |