21231210 (number)
21231210 is an even 8-digits composite number following 21231209 and preceding 21231211. In scientific notation, it is written as 2.1231210 × 10^7. The sum of its digits is 12. It has a total of 6 prime factors and 64 positive divisors. There are 4032000 positive integers (up to 21231210) that are relatively prime to 21231210.
Interesting facts
- 21231210 has 64 divisors, whose sum is 41126400
- The reverse of 21231210 is 01213212
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 12
- Digital Root 3
Name
Name | twenty-one million two hundred thirty-one thousand two hundred ten |
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Notation
Scientific notation | 2.1231210 × 10^7 |
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Engineering notation | 2.1231210 × 10^6 |
Prime Factorization of 21231210
Prime Factorization 2 × 15 × 49 × 13 × 11 × 101
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 21231210 | Product of the distinct prime numbers |
The prime factorization of 21231210 is 2 × 15 × 49 × 13 × 11 × 101. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21231210)
Multiplication
n×yn×2 | 42462420 |
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n×3 | 63693630 |
n×4 | 84924840 |
n×5 | 106156050 |
Division
n÷yn÷2 | 10615605 |
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n÷3 | 7077070 |
n÷3 | 5307802.5 |
n÷5 | 4246242 |
Exponentiation
nyn2 | 450764278064100 |
---|---|
n3 | 9.5702710480773E+21 |
n4 | 2.0318843437865E+29 |
n5 | 4.3139363198643E+36 |
Nth Root
y√n2√n | 4607.7337162644 |
---|---|
3√n | 276.9012494073 |
4√n | 67.880289600623 |
5√n | 29.200813409465 |
Divisors of 21231210
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 | -21231209 | 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 21231210 can be divided by 64 positive divisors. The sum of these divisors (counting 21231210) is 1, the average is 0.015625.
Base conversion 21231210
Base | System | Value |
---|---|---|
2 | Binary | 1010000111111011001101010 |
3 | Ternary | 1110221122202010 |
4 | Quaternary | 1100333121222 |
5 | Quinary | 20413344320 |
6 | Senary | 2035020350 |
8 | Octal | 120773152 |
10 | Decimal | 21231210 |
12 | Duodecimal | 713a6b6 |
16 | Hexadecimal | 143f66a |
20 | Vigesimal | 6cdi0a |
36 | Base36 | cn23u |
Cryptographic Hash Functions
md5 | 1adcb082e6d532699c6cc54d9d957461 |
---|---|
sha1 | 6c5f2c57a968725ab6897b899f3be70213e69861 |
sha256 | c5d517f1e7a0364e801dc9d30108ff319d90c5486e967ab9553fe88c1d46b91e |
sha512 | 8ee88995f99b1781da1ebdc487641d7988a1a9a0ba28ae759d67e395cd08a5231da0cdd151fdb199a3b2723a9ca3372f55669412fb46f00b7da05a9e19da2bef |
ripemd-160 | 90c710fd2993f8c8fb074eabac09fdce5f82a43a |
21231210 as geometric shapes
Circle
Radius = nDiameter | 42462420 |
---|---|
Circumference | 133399626.72564 |
Area | 1.4161177444669E+15 |
Sphere
Radius = nVolume | 4.0087857623337E+22 |
---|---|
Surface area | 5.6644709778675E+15 |
Circumference | 133399626.72564 |
Square
Length = nPerimeter | 84924840 |
---|---|
Area | 450764278064100 |
Diagonal | 30025465.127591 |
Cube
Length = nSurface area | 2704585668384600 |
---|---|
Volume | 9.5702710480773E+21 |
Space diagonal | 36773534.426164 |
Equilateral Triangle
Length = nPerimeter | 63693630 |
---|---|
Area | 1.9518665796103E+14 |
Altitude | 18386767.213082 |
Triangular Pyramid
Length = nSurface area | 1.9518665796103E+14 |
---|---|
Volume | 1.1278672593148E+21 |
Height | 10008488.375864 |