72087988 (number)
72087988 is an even 8-digits composite number following 72087987 and preceding 72087989. In scientific notation, it is written as 7.2087988 × 10^7. The sum of its digits is 49. It has a total of 6 prime factors and 48 positive divisors. There are 29794176 positive integers (up to 72087988) that are relatively prime to 72087988.
Interesting facts
- 72087988 has 48 divisors, whose sum is 149385600
- The reverse of 72087988 is 88978027
- Previous prime number is 149
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 49
- Digital Root 4
Name
Name | seventy-two million eighty-seven thousand nine hundred eighty-eight |
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Notation
Scientific notation | 7.2087988 × 10^7 |
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Engineering notation | 7.2087988 × 10^6 |
Prime Factorization of 72087988
Prime Factorization 2 × 2 × 7 × 37 × 149 × 467
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 36043994 | Product of the distinct prime numbers |
The prime factorization of 72087988 is 2 × 2 × 7 × 37 × 149 × 467. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 72087988)
Multiplication
n×yn×2 | 144175976 |
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n×3 | 216263964 |
n×4 | 288351952 |
n×5 | 360439940 |
Division
n÷yn÷2 | 36043994 |
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n÷3 | 24029329.333333 |
n÷3 | 18021997 |
n÷5 | 14417597.6 |
Exponentiation
nyn2 | 5196678013888144 |
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n3 | 3.7461806230503E+23 |
n4 | 2.7005462380028E+31 |
n5 | 1.9467694479859E+39 |
Nth Root
y√n2√n | 8490.4645338167 |
---|---|
3√n | 416.18616082471 |
4√n | 92.143716735417 |
5√n | 37.288299730215 |
Divisors of 72087988
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -72087987 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 72087988 can be divided by 48 positive divisors. The sum of these divisors (counting 72087988) is 1, the average is 0.020833333333333.
Base conversion 72087988
Base | System | Value |
---|---|---|
2 | Binary | 100010010111111100110110100 |
3 | Ternary | 12000122110010111 |
4 | Quaternary | 10102333212310 |
5 | Quinary | 121423303423 |
6 | Senary | 11053032404 |
8 | Octal | 422774664 |
10 | Decimal | 72087988 |
12 | Duodecimal | 20185704 |
16 | Hexadecimal | 44bf9b4 |
20 | Vigesimal | 12aajj8 |
36 | Base36 | 16x3g4 |
Cryptographic Hash Functions
md5 | 0df5f8c75af8d94fae3703dc47d3b585 |
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sha1 | d0f9f082fedeb6c251c4656ae15558f4bf5a3c16 |
sha256 | 30ecaccfe55df0b46252866b3794dd0302d8feb6d0c6f2927f0b87ffe4356980 |
sha512 | 881616e23ff67ccd56ed234852b6accaf708fce39f23198fb0a9240ffdd61039893ce8f2c75d106e50ccfae5f0c49028b941addd919e479c418d64e2c74f2053 |
ripemd-160 | 2f14f5bc666a959cb7e1a145ff3aeb58010ea7fa |
72087988 as geometric shapes
Circle
Radius = nDiameter | 144175976 |
---|---|
Circumference | 452942187.02574 |
Area | 1.6325845471503E+16 |
Sphere
Radius = nVolume | 1.5691964699194E+24 |
---|---|
Surface area | 6.530338188601E+16 |
Circumference | 452942187.02574 |
Square
Length = nPerimeter | 288351952 |
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Area | 5196678013888144 |
Diagonal | 101947810.31379 |
Cube
Length = nSurface area | 31180068083328864 |
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Volume | 3.7461806230503E+23 |
Space diagonal | 124860057.83142 |
Equilateral Triangle
Length = nPerimeter | 216263964 |
---|---|
Area | 2.2502275876576E+15 |
Altitude | 62430028.915708 |
Triangular Pyramid
Length = nSurface area | 2.2502275876576E+15 |
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Volume | 4.4149162035142E+22 |
Height | 33982603.43793 |