1387665944 (number)
1387665944 is an even 10-digits composite number following 1387665943 and preceding 1387665945. In scientific notation, it is written as 1.387665944 × 10^9. The sum of its digits is 53. It has a total of 7 prime factors and 64 positive divisors. There are 581986944 positive integers (up to 1387665944) that are relatively prime to 1387665944.
Interesting facts
- 1387665944 has 64 divisors, whose sum is 3037804800
- The reverse of 1387665944 is 4495667831
- Previous prime number is 67
Basic properties
- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 53
- Digital Root 8
Name
Name | one billion three hundred eighty-seven million six hundred sixty-five thousand nine hundred forty-four |
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Notation
Scientific notation | 1.387665944 × 10^9 |
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Engineering notation | 1.387665944 × 10^9 |
Prime Factorization of 1387665944
Prime Factorization 2 × 2 × 2 × 7 × 163 × 67 × 2269
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 346916486 | Product of the distinct prime numbers |
The prime factorization of 1387665944 is 2 × 2 × 2 × 7 × 163 × 67 × 2269. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1387665944)
Multiplication
n×yn×2 | 2775331888 |
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n×3 | 4162997832 |
n×4 | 5550663776 |
n×5 | 6938329720 |
Division
n÷yn÷2 | 693832972 |
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n÷3 | 462555314.66667 |
n÷3 | 346916486 |
n÷5 | 277533188.8 |
Exponentiation
nyn2 | 1925616772137411136 |
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n3 | 2.6721128158903E+27 |
n4 | 3.7079999531369E+36 |
n5 | 5.1454652553217E+45 |
Nth Root
y√n2√n | 37251.388484189 |
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3√n | 1115.3940154661 |
4√n | 193.00618768368 |
5√n | 67.368516809858 |
Divisors of 1387665944
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 | -1387665943 | 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 1387665944 can be divided by 64 positive divisors. The sum of these divisors (counting 1387665944) is 1, the average is 0.015625.
Base conversion 1387665944
Base | System | Value |
---|---|---|
2 | Binary | 1010010101101100001101000011000 |
3 | Ternary | 10120201010201210222 |
4 | Quaternary | 1102231201220120 |
5 | Quinary | 10320220302234 |
6 | Senary | 345410255212 |
8 | Octal | 12255415030 |
10 | Decimal | 1387665944 |
12 | Duodecimal | 328887508 |
16 | Hexadecimal | 52b61a18 |
20 | Vigesimal | 11dci4h4 |
36 | Base36 | my6hw8 |
Cryptographic Hash Functions
md5 | 87b8473dcfabe3dd1d84ca5fbfa7c53a |
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sha1 | 10f37a230f77dd0b0e08d4919817e0f0181d3f14 |
sha256 | 62f69c6b9386bfb1be6a7cc94e572635043d034ba15708e5551aa38e3bd1d21e |
sha512 | 0aa9c193411b3d26d0d3a39202d91a7b6332eb35a7a292af52d16b4796869cfe5bd466c73fc8ff9d7e3b16b23c05c5a4d2fa46b22ec4704d8cca021b69e204a2 |
ripemd-160 | 9796ec1948ec3c053a7fb7a2b86caf974294aefb |
1387665944 as geometric shapes
Circle
Radius = nDiameter | 2775331888 |
---|---|
Circumference | 8718962270.6143 |
Area | 6.0495035049762E+18 |
Sphere
Radius = nVolume | 1.1192919989285E+28 |
---|---|
Surface area | 2.4198014019905E+19 |
Circumference | 8718962270.6143 |
Square
Length = nPerimeter | 5550663776 |
---|---|
Area | 1925616772137411136 |
Diagonal | 1962455998.0481 |
Cube
Length = nSurface area | 1.1553700632824E+19 |
---|---|
Volume | 2.6721128158903E+27 |
Space diagonal | 2403507918.941 |
Equilateral Triangle
Length = nPerimeter | 4162997832 |
---|---|
Area | 8.3381652131219E+17 |
Altitude | 1201753959.4705 |
Triangular Pyramid
Length = nSurface area | 8.3381652131219E+17 |
---|---|
Volume | 3.1491151536858E+26 |
Height | 654151999.34935 |