21318900 (number)
21318900 is an even 8-digits composite number following 21318899 and preceding 21318901. In scientific notation, it is written as 2.1318900 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5639040 positive integers (up to 21318900) that are relatively prime to 21318900.
Interesting facts
- 21318900 has 48 divisors, whose sum is 48142080
- The reverse of 21318900 is 00981312
- Previous prime number is 179
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty-one million three hundred eighteen thousand nine hundred |
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Notation
Scientific notation | 2.1318900 × 10^7 |
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Engineering notation | 2.1318900 × 10^6 |
Prime Factorization of 21318900
Prime Factorization 2 × 2 × 15 × 5 × 179 × 397
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10659450 | Product of the distinct prime numbers |
The prime factorization of 21318900 is 2 × 2 × 15 × 5 × 179 × 397. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21318900)
Multiplication
n×yn×2 | 42637800 |
---|---|
n×3 | 63956700 |
n×4 | 85275600 |
n×5 | 106594500 |
Division
n÷yn÷2 | 10659450 |
---|---|
n÷3 | 7106300 |
n÷3 | 5329725 |
n÷5 | 4263780 |
Exponentiation
nyn2 | 454495497210000 |
---|---|
n3 | 9.6893440554703E+21 |
n4 | 2.0656615698417E+29 |
n5 | 4.4037632441297E+36 |
Nth Root
y√n2√n | 4617.2394349871 |
---|---|
3√n | 277.28194866435 |
4√n | 67.950271780083 |
5√n | 29.224894932769 |
Divisors of 21318900
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 | -21318899 | 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 21318900 can be divided by 48 positive divisors. The sum of these divisors (counting 21318900) is 1, the average is 0.020833333333333.
Base conversion 21318900
Base | System | Value |
---|---|---|
2 | Binary | 1010001010100110011110100 |
3 | Ternary | 1111010010000220 |
4 | Quaternary | 1101110303310 |
5 | Quinary | 20424201100 |
6 | Senary | 2040534340 |
8 | Octal | 121246364 |
10 | Decimal | 21318900 |
12 | Duodecimal | 71813b0 |
16 | Hexadecimal | 1454cf4 |
20 | Vigesimal | 6d4h50 |
36 | Base36 | coxro |
Cryptographic Hash Functions
md5 | ef126c6c2676a028848ef6ed6421c19e |
---|---|
sha1 | 9b5288ba398608274c02142e2bc306d2d926d888 |
sha256 | ae67f3e1859166cd74e926bf945d1d9ac2f8cecaa472c7423c228f2e2d411f67 |
sha512 | 5bbb937e1c59068dbfcc2050c4a7887605ea9ca7c70b684a164937d119d03f4f56c7ad0867e0cf8aa5cca6b999a7b29328fce9c493790a74130a6132c0914992 |
ripemd-160 | d2ea9b77c3e6de802f35949f938fa356e869b1f8 |
21318900 as geometric shapes
Circle
Radius = nDiameter | 42637800 |
---|---|
Circumference | 133950599.24523 |
Area | 1.4278397151246E+15 |
Sphere
Radius = nVolume | 4.0586629470359E+22 |
---|---|
Surface area | 5.7113588604983E+15 |
Circumference | 133950599.24523 |
Square
Length = nPerimeter | 85275600 |
---|---|
Area | 454495497210000 |
Diagonal | 30149477.514876 |
Cube
Length = nSurface area | 2726972983260000 |
---|---|
Volume | 9.6893440554703E+21 |
Space diagonal | 36925417.96148 |
Equilateral Triangle
Length = nPerimeter | 63956700 |
---|---|
Area | 1.9680232324475E+14 |
Altitude | 18462708.98074 |
Triangular Pyramid
Length = nSurface area | 1.9680232324475E+14 |
---|---|
Volume | 1.1419001478121E+21 |
Height | 10049825.838292 |