20218720 (number)
20218720 is an even 8-digits composite number following 20218719 and preceding 20218721. In scientific notation, it is written as 2.0218720 × 10^7. The sum of its digits is 22. It has a total of 8 prime factors and 48 positive divisors. There are 8005120 positive integers (up to 20218720) that are relatively prime to 20218720.
Interesting facts
- 20218720 has 48 divisors, whose sum is 48253968
- The reverse of 20218720 is 02781202
- Previous prime number is 107
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 22
- Digital Root 4
Name
Name | twenty million two hundred eighteen thousand seven hundred twenty |
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Notation
Scientific notation | 2.0218720 × 10^7 |
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Engineering notation | 2.0218720 × 10^6 |
Prime Factorization of 20218720
Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 107 × 1181
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 1263670 | Product of the distinct prime numbers |
The prime factorization of 20218720 is 2 × 2 × 2 × 2 × 2 × 5 × 107 × 1181. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20218720)
Multiplication
n×yn×2 | 40437440 |
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n×3 | 60656160 |
n×4 | 80874880 |
n×5 | 101093600 |
Division
n÷yn÷2 | 10109360 |
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n÷3 | 6739573.3333333 |
n÷3 | 5054680 |
n÷5 | 4043744 |
Exponentiation
nyn2 | 408796638438400 |
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n3 | 8.2653447695272E+21 |
n4 | 1.6711469159854E+29 |
n5 | 3.3788451573172E+36 |
Nth Root
y√n2√n | 4496.5231012417 |
---|---|
3√n | 272.42767207594 |
4√n | 67.056119043989 |
5√n | 28.916833314468 |
Divisors of 20218720
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 | -20218719 | 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 20218720 can be divided by 48 positive divisors. The sum of these divisors (counting 20218720) is 1, the average is 0.020833333333333.
Base conversion 20218720
Base | System | Value |
---|---|---|
2 | Binary | 1001101001000001101100000 |
3 | Ternary | 1102001012212111 |
4 | Quaternary | 1031020031200 |
5 | Quinary | 20133444340 |
6 | Senary | 2001205104 |
8 | Octal | 115101540 |
10 | Decimal | 20218720 |
12 | Duodecimal | 6930794 |
16 | Hexadecimal | 1348360 |
20 | Vigesimal | 6676g0 |
36 | Base36 | c1cv4 |
Cryptographic Hash Functions
md5 | e552834e26199ab09a068deb7fea1698 |
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sha1 | 747517af59b9bf9afab653d35b09fbd7d0aec9e0 |
sha256 | c100789f4433d3aa22befaf6139e36dafcd52becfa89b752c635ec6230c7caad |
sha512 | 918408cd183ccfd666e9b647e67021f8b2915c1140bf5bd8ee58722883789367ff7698f285147dbaa062109eac9afed5d855b08d5523ea082ae6f1455636f5b7 |
ripemd-160 | 1ec8c4a60e4ac663945dc8ba7e819c29e2df4fd3 |
20218720 as geometric shapes
Circle
Radius = nDiameter | 40437440 |
---|---|
Circumference | 127037964.43398 |
Area | 1.2842725161303E+15 |
Sphere
Radius = nVolume | 3.4621795209778E+22 |
---|---|
Surface area | 5.1370900645211E+15 |
Circumference | 127037964.43398 |
Square
Length = nPerimeter | 80874880 |
---|---|
Area | 408796638438400 |
Diagonal | 28593588.037824 |
Cube
Length = nSurface area | 2452779830630400 |
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Volume | 8.2653447695272E+21 |
Space diagonal | 35019850.304009 |
Equilateral Triangle
Length = nPerimeter | 60656160 |
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Area | 1.7701413693467E+14 |
Altitude | 17509925.152005 |
Triangular Pyramid
Length = nSurface area | 1.7701413693467E+14 |
---|---|
Volume | 9.7408022256291E+20 |
Height | 9531196.012608 |