388972389 (number)
388972389 is an odd 9-digits composite number following 388972388 and preceding 388972390. In scientific notation, it is written as 3.88972389 × 10^8. The sum of its digits is 57. It has a total of 6 prime factors and 64 positive divisors. There are 209164032 positive integers (up to 388972389) that are relatively prime to 388972389.
Interesting facts
- 388972389 has 64 divisors, whose sum is 635443200
- The reverse of 388972389 is 983279883
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity odd
- Number length 9
- Sum of Digits 57
- Digital Root 3
Name
Name | three hundred eighty-eight million nine hundred seventy-two thousand three hundred eighty-nine |
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Notation
Scientific notation | 3.88972389 × 10^8 |
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Engineering notation | 3.88972389 × 10^6 |
Prime Factorization of 388972389
Prime Factorization 3 × 29 × 19 × 13 × 23 × 787
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 388972389 | Product of the distinct prime numbers |
The prime factorization of 388972389 is 3 × 29 × 19 × 13 × 23 × 787. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 388972389)
Multiplication
n×yn×2 | 777944778 |
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n×3 | 1166917167 |
n×4 | 1555889556 |
n×5 | 1944861945 |
Division
n÷yn÷2 | 194486194.5 |
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n÷3 | 129657463 |
n÷3 | 97243097.25 |
n÷5 | 77794477.8 |
Exponentiation
nyn2 | 151299519404367321 |
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n3 | 5.8851335517269E+25 |
n4 | 2.2891544571993E+34 |
n5 | 8.9041787800679E+42 |
Nth Root
y√n2√n | 19722.382944259 |
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3√n | 729.97209438582 |
4√n | 140.43640177767 |
5√n | 52.237664869739 |
Divisors of 388972389
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 | -388972388 | 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 388972389 can be divided by 64 positive divisors. The sum of these divisors (counting 388972389) is 1, the average is 0.015625.
Base conversion 388972389
Base | System | Value |
---|---|---|
2 | Binary | 10111001011110011111101100101 |
3 | Ternary | 1000002220211210210 |
4 | Quaternary | 113023303331211 |
5 | Quinary | 1244034104024 |
6 | Senary | 102333010033 |
8 | Octal | 2713637545 |
10 | Decimal | 388972389 |
12 | Duodecimal | aa323919 |
16 | Hexadecimal | 172f3f65 |
20 | Vigesimal | 61b1aj9 |
36 | Base36 | 6fl10l |
Cryptographic Hash Functions
md5 | 220b2666434d15c3fe5b9eeb27d80153 |
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sha1 | 2aed9842c6beb308d9676632cbb6d9a8c06331a4 |
sha256 | 1c1d7b9551aa30351fd5a1eed65644aac8d23c9e5a519f1dfd0ba2c0017547f2 |
sha512 | 6ea825f7477c6f1b174c204209cdc158ec869f580b25f6c06beabd0d6fe85719ab564f2788be58ca3162fe31117d69152ab8c798856b38423d67b0580388ec40 |
ripemd-160 | 7d7feb191d65a371772f82074e44b2bdec3fc298 |
388972389 as geometric shapes
Circle
Radius = nDiameter | 777944778 |
---|---|
Circumference | 2443985599.4633 |
Area | 4.7532145865243E+17 |
Sphere
Radius = nVolume | 2.4651589775333E+26 |
---|---|
Surface area | 1.9012858346097E+18 |
Circumference | 2443985599.4633 |
Square
Length = nPerimeter | 1555889556 |
---|---|
Area | 151299519404367321 |
Diagonal | 550090027.91246 |
Cube
Length = nSurface area | 907797116426203926 |
---|---|
Volume | 5.8851335517269E+25 |
Space diagonal | 673719940.48945 |
Equilateral Triangle
Length = nPerimeter | 1166917167 |
---|---|
Area | 6.5514613692279E+16 |
Altitude | 336859970.24472 |
Triangular Pyramid
Length = nSurface area | 6.5514613692279E+16 |
---|---|
Volume | 6.9356964043576E+24 |
Height | 183363342.63749 |