21081210 (number)

21081210 is an even 8-digits composite number following 21081209 and preceding 21081211. In scientific notation, it is written as 2.1081210 × 10^7. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 5621648 positive integers (up to 21081210) that are relatively prime to 21081210.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand two hundred ten

Notation

Scientific notation 2.1081210 × 10^7
Engineering notation 2.1081210 × 10^6

Prime Factorization of 21081210

Prime Factorization 2 × 5 × 3 × 702707

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21081210
Product of the distinct prime numbers

The prime factorization of 21081210 is 2 × 5 × 3 × 702707. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 72, 19, 72, 893, 881, 2656, 54034, 16857, 918185, 659187, 9094801, 2278041, 3596259, 34843065, 695983932, 23387234, 9546726649, 2289438141

Basic calculations (n = 21081210)

Multiplication

n×y
n×2 42162420
n×3 63243630
n×4 84324840
n×5 105406050

Division

n÷y
n÷2 10540605
n÷3 7027070
n÷3 5270302.5
n÷5 4216242

Exponentiation

ny
n2 444417415064100
n3 9.3688568546235E+21
n4 1.9750683881226E+29
n5 4.1636831454373E+36

Nth Root

y√n
2√n 4591.4278824784
3√n 276.24759864964
4√n 67.760075874208
5√n 29.159435145171

Divisors of 21081210

1, 2, 3, 5, 6, 10, 15, 30, 702707, 1405414, 2108121, 3513535, 4216242, 7027070, 10540605, 21081210

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081209
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081210 can be divided by 16 positive divisors. The sum of these divisors (counting 21081210) is 1, the average is 0.0625.

Base conversion 21081210

Base System Value
2 Binary 1010000011010110001111010
3 Ternary 1110200000222120
4 Quaternary 1100122301322
5 Quinary 20344044320
6 Senary 2031502110
8 Octal 120326172
10 Decimal 21081210
12 Duodecimal 7087936
16 Hexadecimal 141ac7a
20 Vigesimal 6bf30a
36 Base36 cjud6

Cryptographic Hash Functions

md5 c1cada1adb25c5b7b4b1886e164015f8
sha1 392cd1790c8f81dc7bade051c9ec02848ebe4e70
sha256 5a8601a98af7d2a72fc571a69aedc5e2343890bc2757aed208f808c8917ec2e3
sha512 f69d37c3a1ac1d3208f6040f7db5c35f9862e6f728b5be3c8be3aa075bdebeab334f1e2499cfff2c8875d893398ebc1a28d121f9c4d226e3622a6370abd81be1
ripemd-160 cb8ce302a0076a009db9474bde9a7bcbbbbd18fc

21081210 as geometric shapes

Circle

Radius = n
Diameter 42162420
Circumference 132457148.92957
Area 1.3961784862927E+15

Sphere

Radius = n
Volume 3.9244175822693E+22
Surface area 5.584713945171E+15
Circumference 132457148.92957

Square

Length = n
Perimeter 84324840
Area 444417415064100
Diagonal 29813333.093235

Cube

Length = n
Surface area 2666504490384600
Volume 9.3688568546235E+21
Space diagonal 36513726.805029

Equilateral Triangle

Length = n
Perimeter 63243630
Area 1.9243838566486E+14
Altitude 18256863.402515

Triangular Pyramid

Length = n
Surface area 1.9243838566486E+14
Volume 1.1041303689784E+21
Height 9937777.6977451