28989870 (number)
28989870 is an even 8-digits composite number following 28989869 and preceding 28989871. In scientific notation, it is written as 2.8989870 × 10^7. The sum of its digits is 51. It has a total of 6 prime factors and 64 positive divisors. There are 5806080 positive integers (up to 28989870) that are relatively prime to 28989870.
Interesting facts
- 28989870 has 64 divisors, whose sum is 69866496
- The reverse of 28989870 is 07898982
- Previous prime number is 41
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 51
- Digital Root 6
Name
Name | twenty-eight million nine hundred eighty-nine thousand eight hundred seventy |
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Notation
Scientific notation | 2.8989870 × 10^7 |
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Engineering notation | 2.8989870 × 10^6 |
Prime Factorization of 28989870
Prime Factorization 2 × 3 × 455 × 7 × 41 × 37
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 28989870 | Product of the distinct prime numbers |
The prime factorization of 28989870 is 2 × 3 × 455 × 7 × 41 × 37. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28989870)
Multiplication
n×yn×2 | 57979740 |
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n×3 | 86969610 |
n×4 | 115959480 |
n×5 | 144949350 |
Division
n÷yn÷2 | 14494935 |
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n÷3 | 9663290 |
n÷3 | 7247467.5 |
n÷5 | 5797974 |
Exponentiation
nyn2 | 840412562616900 |
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n3 | 2.4363450936631E+22 |
n4 | 7.062932754043E+29 |
n5 | 2.0475350235845E+37 |
Nth Root
y√n2√n | 5384.2241780966 |
---|---|
3√n | 307.19590533415 |
4√n | 73.377272899016 |
5√n | 31.077727445644 |
Divisors of 28989870
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 | -28989869 | 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 28989870 can be divided by 64 positive divisors. The sum of these divisors (counting 28989870) is 1, the average is 0.015625.
Base conversion 28989870
Base | System | Value |
---|---|---|
2 | Binary | 1101110100101100110101110 |
3 | Ternary | 2000112211121220 |
4 | Quaternary | 1232211212232 |
5 | Quinary | 24410133440 |
6 | Senary | 2513204210 |
8 | Octal | 156454656 |
10 | Decimal | 28989870 |
12 | Duodecimal | 9860666 |
16 | Hexadecimal | 1ba59ae |
20 | Vigesimal | 913eda |
36 | Base36 | h9cq6 |
Cryptographic Hash Functions
md5 | 0dd5e3fe30d0b14cac6369d0ac5382d5 |
---|---|
sha1 | 9f8ee289c9ed6afacba329ab75d52f3915d7a551 |
sha256 | c0442203e69134cf27c636bb68f7f264140ec016af9b043257cb062d5f1c9dc1 |
sha512 | b96068f5ff4b16ee5b4395725176e94b1dafc0bacb91711347c37f3d8d90910c57305869da044d44472c46953707291d7de6804cf560308e49c2606014de146b |
ripemd-160 | a11a2f15919a5fff8c93b07a976ac8fc45398cf6 |
28989870 as geometric shapes
Circle
Radius = nDiameter | 57979740 |
---|---|
Circumference | 182148725.24105 |
Area | 2.6402339327018E+15 |
Sphere
Radius = nVolume | 1.0205338463815E+23 |
---|---|
Surface area | 1.0560935730807E+16 |
Circumference | 182148725.24105 |
Square
Length = nPerimeter | 115959480 |
---|---|
Area | 840412562616900 |
Diagonal | 40997867.325433 |
Cube
Length = nSurface area | 5042475375701400 |
---|---|
Volume | 2.4363450936631E+22 |
Space diagonal | 50211927.744817 |
Equilateral Triangle
Length = nPerimeter | 86969610 |
---|---|
Area | 3.6390931444291E+14 |
Altitude | 25105963.872408 |
Triangular Pyramid
Length = nSurface area | 3.6390931444291E+14 |
---|---|
Volume | 2.8712602283996E+21 |
Height | 13665955.775144 |