21727720 (number)
21727720 is an even 8-digits composite number following 21727719 and preceding 21727721. In scientific notation, it is written as 2.1727720 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 64 positive divisors. There are 7340544 positive integers (up to 21727720) that are relatively prime to 21727720.
Interesting facts
- 21727720 has 64 divisors, whose sum is 56689920
- The reverse of 21727720 is 02772712
- Previous prime number is 73
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 28
- Digital Root 1
Name
Name | twenty-one million seven hundred twenty-seven thousand seven hundred twenty |
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Notation
Scientific notation | 2.1727720 × 10^7 |
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Engineering notation | 2.1727720 × 10^6 |
Prime Factorization of 21727720
Prime Factorization 2 × 2 × 2 × 5 × 7 × 73 × 1063
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5431930 | Product of the distinct prime numbers |
The prime factorization of 21727720 is 2 × 2 × 2 × 5 × 7 × 73 × 1063. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21727720)
Multiplication
n×yn×2 | 43455440 |
---|---|
n×3 | 65183160 |
n×4 | 86910880 |
n×5 | 108638600 |
Division
n÷yn÷2 | 10863860 |
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n÷3 | 7242573.3333333 |
n÷3 | 5431930 |
n÷5 | 4345544 |
Exponentiation
nyn2 | 472093816398400 |
---|---|
n3 | 1.0257522256436E+22 |
n4 | 2.2287257148161E+29 |
n5 | 4.8425128288323E+36 |
Nth Root
y√n2√n | 4661.3002477849 |
---|---|
3√n | 279.04316251755 |
4√n | 68.273715643613 |
5√n | 29.336130655879 |
Divisors of 21727720
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 | -21727719 | 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 21727720 can be divided by 64 positive divisors. The sum of these divisors (counting 21727720) is 1, the average is 0.015625.
Base conversion 21727720
Base | System | Value |
---|---|---|
2 | Binary | 1010010111000100111101000 |
3 | Ternary | 1111212212211101 |
4 | Quaternary | 1102320213220 |
5 | Quinary | 21030241340 |
6 | Senary | 2053411144 |
8 | Octal | 122704750 |
10 | Decimal | 21727720 |
12 | Duodecimal | 7339ab4 |
16 | Hexadecimal | 14b89e8 |
20 | Vigesimal | 6ffj60 |
36 | Base36 | cxp7s |
Cryptographic Hash Functions
md5 | 8f28bd9ec5a4151687a3ac1bbc90a171 |
---|---|
sha1 | 6a5fee94d8439ee71da79ef1457098bc3aa0540b |
sha256 | 7820682edbbc5ccd5aa4b96f9b7d9ddd1b7d3b57430143b1435f32b994c64a52 |
sha512 | fb2729abd71e1226985229b5c4a0553cd1942454f77135b7d3728ea5c9518bba366e3511eee6ca03944386e7f8c14a392151c500e40b1668320e24bb7de06f13 |
ripemd-160 | 9bbfdaccec0fa3d2583685172943e33aa45f3d5b |
21727720 as geometric shapes
Circle
Radius = nDiameter | 43455440 |
---|---|
Circumference | 136519291.06251 |
Area | 1.4831264654024E+15 |
Sphere
Radius = nVolume | 4.2966608753137E+22 |
---|---|
Surface area | 5.9325058616095E+15 |
Circumference | 136519291.06251 |
Square
Length = nPerimeter | 86910880 |
---|---|
Area | 472093816398400 |
Diagonal | 30727636.303445 |
Cube
Length = nSurface area | 2832562898390400 |
---|---|
Volume | 1.0257522256436E+22 |
Space diagonal | 37633514.97263 |
Equilateral Triangle
Length = nPerimeter | 65183160 |
---|---|
Area | 2.0442261898528E+14 |
Altitude | 18816757.486315 |
Triangular Pyramid
Length = nSurface area | 2.0442261898528E+14 |
---|---|
Volume | 1.2088605909496E+21 |
Height | 10242545.434482 |