21105220 (number)

21105220 is an even 8-digits composite number following 21105219 and preceding 21105221. In scientific notation, it is written as 2.1105220 × 10^7. The sum of its digits is 13. It has a total of 4 prime factors and 12 positive divisors. There are 8442080 positive integers (up to 21105220) that are relatively prime to 21105220.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand two hundred twenty

Notation

Scientific notation 2.1105220 × 10^7
Engineering notation 2.1105220 × 10^6

Prime Factorization of 21105220

Prime Factorization 2 × 2 × 5 × 1055261

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10552610
Product of the distinct prime numbers

The prime factorization of 21105220 is 2 × 2 × 5 × 1055261. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 37, 88, 856, 34, 4887, 7396, 9938, 4241, 118817, 235812, 7628908, 6389087, 2301756, 81347951, 331365043, 141270079, 1281206498, 9763582544

Basic calculations (n = 21105220)

Multiplication

n×y
n×2 42210440
n×3 63315660
n×4 84420880
n×5 105526100

Division

n÷y
n÷2 10552610
n÷3 7035073.3333333
n÷3 5276305
n÷5 4221044

Exponentiation

ny
n2 445430311248400
n3 9.400904713566E+21
n4 1.9840816217885E+29
n5 4.1874479125802E+36

Nth Root

y√n
2√n 4594.0417934538
3√n 276.35243432046
4√n 67.779361117185
5√n 29.166074226151

Divisors of 21105220

1, 2, 4, 5, 10, 20, 1055261, 2110522, 4221044, 5276305, 10552610, 21105220

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105219
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105220 can be divided by 12 positive divisors. The sum of these divisors (counting 21105220) is 1, the average is 0.083333333333333.

Base conversion 21105220

Base System Value
2 Binary 1010000100000101001000100
3 Ternary 1110201020220211
4 Quaternary 1100200221010
5 Quinary 20400331340
6 Senary 2032205204
8 Octal 120405104
10 Decimal 21105220
12 Duodecimal 7099804
16 Hexadecimal 1420a44
20 Vigesimal 6bi310
36 Base36 ckcw4

Cryptographic Hash Functions

md5 e24e0d8e61f58dc688c7edd03a4e1d61
sha1 45c83d62ad8e2d70615d39069ae5965df74b9cce
sha256 1c699f5c35bd279d09414cdb80e184f808b471a035cb31613d71151dc2d2c76e
sha512 bb9db881562d50fc0eea14f3b6adc5e127780c8517527a1becb6ac7ceecc336734160bd432f51be265904f59daa2ead92a81d6e2d3cafb7ea89bdf2f061711a5
ripemd-160 0d3d0beabddaa829ae7ddf859102f9b5994e5b70

21105220 as geometric shapes

Circle

Radius = n
Diameter 42210440
Circumference 132608008.20879
Area 1.3993605935042E+15

Sphere

Radius = n
Volume 3.9378417580315E+22
Surface area 5.5974423740168E+15
Circumference 132608008.20879

Square

Length = n
Perimeter 84420880
Area 445430311248400
Diagonal 29847288.360868

Cube

Length = n
Surface area 2672581867490400
Volume 9.400904713566E+21
Space diagonal 36555313.344919

Equilateral Triangle

Length = n
Perimeter 63315660
Area 1.9287698257836E+14
Altitude 18277656.672459

Triangular Pyramid

Length = n
Surface area 1.9287698257836E+14
Volume 1.1079072453752E+21
Height 9949096.1202893