21102912 (number)

21102912 is an even 8-digits composite number following 21102911 and preceding 21102913. In scientific notation, it is written as 2.1102912 × 10^7. The sum of its digits is 18. It has a total of 9 prime factors and 42 positive divisors. There are 7034112 positive integers (up to 21102912) that are relatively prime to 21102912.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred two thousand nine hundred twelve

Notation

Scientific notation 2.1102912 × 10^7
Engineering notation 2.1102912 × 10^6

Prime Factorization of 21102912

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 36637

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 219822
Product of the distinct prime numbers

The prime factorization of 21102912 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 36637. Since it has a total of 9 prime factors.

Most popular turbo-numbers

4, 10, 50, 16, 257, 214, 7019, 6899, 74522, 61469, 308663, 615086, 1857412, 9410424, 6364384, 62826424, 605095233, 878722735, 4898433571, 960587816

Basic calculations (n = 21102912)

Multiplication

n×y
n×2 42205824
n×3 63308736
n×4 84411648
n×5 105514560

Division

n÷y
n÷2 10551456
n÷3 7034304
n÷3 5275728
n÷5 4220582.4

Exponentiation

ny
n2 445332894879744
n3 9.3978208913525E+21
n4 1.9832138726197E+29
n5 4.1851587831073E+36

Nth Root

y√n
2√n 4593.7905916574
3√n 276.34236027764
4√n 67.777508007136
5√n 29.165436296349

Divisors of 21102912

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 36637, 73274, 109911, 146548, 219822, 293096, 329733, 439644, 586192, 659466, 879288, 1172384, 1318932, 1758576, 2344768, 2637864, 3517152, 5275728, 7034304, 10551456, 21102912

42 divisors

τ Total Divisors 42
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21102911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.023809523809524
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 42
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21102912 can be divided by 42 positive divisors. The sum of these divisors (counting 21102912) is 1, the average is 0.023809523809524.

Base conversion 21102912

Base System Value
2 Binary 1010000100000000101000000
3 Ternary 1110201010202100
4 Quaternary 1100200011000
5 Quinary 20400243122
6 Senary 2032150400
8 Octal 120400500
10 Decimal 21102912
12 Duodecimal 7098400
16 Hexadecimal 1420140
20 Vigesimal 6bhh5c
36 Base36 ckb40

Cryptographic Hash Functions

md5 5d9c7506ee1be6c4c522ed81d30027ee
sha1 0c316ee7c8f283692ea9b385bba304eb95e55b01
sha256 ec7d6cafd048c0f05d360448a133f5091cb7d0475d05da83ada7acb1599b87e0
sha512 f57a29ebf9fda83643aff11f7a96928483d004547364dd49986738f0a2b9024f7a1f9772d67844bd33651914c2faa2313acc3e0feee0f2cfafa2f669f0bc66f7
ripemd-160 aa0c7e60ce7b57decaaf587d2dfa5f35161260cc

21102912 as geometric shapes

Circle

Radius = n
Diameter 42205824
Circumference 132593506.6171
Area 1.3990545509561E+15

Sphere

Radius = n
Volume 3.9365500096034E+22
Surface area 5.5962182038243E+15
Circumference 132593506.6171

Square

Length = n
Perimeter 84411648
Area 445332894879744
Diagonal 29844024.355966

Cube

Length = n
Surface area 2671997369278464
Volume 9.3978208913525E+21
Space diagonal 36551315.771655

Equilateral Triangle

Length = n
Perimeter 63308736
Area 1.9283480005336E+14
Altitude 18275657.885827

Triangular Pyramid

Length = n
Surface area 1.9283480005336E+14
Volume 1.107543813442E+21
Height 9948008.1186553