1215121138 (number)
1215121138 is an even 10-digits composite number following 1215121137 and preceding 1215121139. In scientific notation, it is written as 1.215121138 × 10^9. The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors. There are 445574400 positive integers (up to 1215121138) that are relatively prime to 1215121138.
Interesting facts
- 1215121138 has 32 divisors, whose sum is 2406112128
- The reverse of 1215121138 is 8311215121
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 25
- Digital Root 7
Name
Name | one billion two hundred fifteen million one hundred twenty-one thousand one hundred thirty-eight |
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Notation
Scientific notation | 1.215121138 × 10^9 |
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Engineering notation | 1.215121138 × 10^9 |
Prime Factorization of 1215121138
Prime Factorization 2 × 17 × 11 × 7 × 464141
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 5 | Total number of prime factors |
rad | Radical | 1215121138 | Product of the distinct prime numbers |
The prime factorization of 1215121138 is 2 × 17 × 11 × 7 × 464141. Since it has a total of 5 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1215121138)
Multiplication
n×yn×2 | 2430242276 |
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n×3 | 3645363414 |
n×4 | 4860484552 |
n×5 | 6075605690 |
Division
n÷yn÷2 | 607560569 |
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n÷3 | 405040379.33333 |
n÷3 | 303780284.5 |
n÷5 | 243024227.6 |
Exponentiation
nyn2 | 1476519380014415044 |
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n3 | 1.7941499093222E+27 |
n4 | 2.1801094795582E+36 |
n5 | 2.6490971117653E+45 |
Nth Root
y√n2√n | 34858.587722396 |
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3√n | 1067.1034531266 |
4√n | 186.70454660344 |
5√n | 65.603032509813 |
Divisors of 1215121138
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 | -1215121137 | 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 1215121138 can be divided by 32 positive divisors. The sum of these divisors (counting 1215121138) is 1, the average is 0.03125.
Base conversion 1215121138
Base | System | Value |
---|---|---|
2 | Binary | 1001000011011010100011011110010 |
3 | Ternary | 10010200110112211121 |
4 | Quaternary | 1020123110123302 |
5 | Quinary | 4442032334023 |
6 | Senary | 320324132454 |
8 | Octal | 11033243362 |
10 | Decimal | 1215121138 |
12 | Duodecimal | 29ab3712a |
16 | Hexadecimal | 486d46f2 |
20 | Vigesimal | ijea2gi |
36 | Base36 | k3g9gy |
Cryptographic Hash Functions
md5 | d4e2d103e3b6f99f5a818e932861046d |
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sha1 | 80483b77675668c9e6faf72b5d7191ef758ffb9f |
sha256 | fae1eddcd02c1a53c99a19fde4c1a742dc1493ac892d0d8eddec58ee92837b48 |
sha512 | 33aaf729c904e065e9b6e009f26841d356e266987e8e93c0271a437aaa0a4053d7d9e85e93e313f4b0e34f9200a8683a40120197f2188ffd88b79cefbff0ef75 |
ripemd-160 | 39fe2cd190163d0fd2f161c65749e9fcb8e100bd |
1215121138 as geometric shapes
Circle
Radius = nDiameter | 2430242276 |
---|---|
Circumference | 7634831280.7249 |
Area | 4.6386224371362E+18 |
Sphere
Radius = nVolume | 7.5153175660871E+27 |
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Surface area | 1.8554489748545E+19 |
Circumference | 7634831280.7249 |
Square
Length = nPerimeter | 4860484552 |
---|---|
Area | 1476519380014415044 |
Diagonal | 1718440793.2858 |
Cube
Length = nSurface area | 8859116280086490264 |
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Volume | 1.7941499093222E+27 |
Space diagonal | 2104651548.3669 |
Equilateral Triangle
Length = nPerimeter | 3645363414 |
---|---|
Area | 6.3935164613627E+17 |
Altitude | 1052325774.1835 |
Triangular Pyramid
Length = nSurface area | 6.3935164613627E+17 |
---|---|
Volume | 2.1144259455782E+26 |
Height | 572813597.76194 |