21909712 (number)

21909712 is an even 8-digits composite number following 21909711 and preceding 21909713. In scientific notation, it is written as 2.1909712 × 10^7. The sum of its digits is 31. It has a total of 7 prime factors and 30 positive divisors. There are 9958080 positive integers (up to 21909712) that are relatively prime to 21909712.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909712 × 10^7
Engineering notation 2.1909712 × 10^6

Prime Factorization of 21909712

Prime Factorization 2 × 2 × 2 × 2 × 11 × 11 × 11317

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 248974
Product of the distinct prime numbers

The prime factorization of 21909712 is 2 × 2 × 2 × 2 × 11 × 11 × 11317. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 2, 6, 1, 845, 809, 5775, 3280, 86850, 74902, 82751, 84240, 2649633, 288486, 23278817, 22699975, 626497498, 270279870, 33415396, 2350393506

Basic calculations (n = 21909712)

Multiplication

n×y
n×2 43819424
n×3 65729136
n×4 87638848
n×5 109548560

Division

n÷y
n÷2 10954856
n÷3 7303237.3333333
n÷3 5477428
n÷5 4381942.4

Exponentiation

ny
n2 480035479922944
n3 1.0517439114893E+22
n4 2.3043406198485E+29
n5 5.0487439330782E+36

Nth Root

y√n
2√n 4680.7811313925
3√n 279.82008850587
4√n 68.416234414008
5√n 29.385110878509

Divisors of 21909712

1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 11317, 22634, 45268, 90536, 124487, 181072, 248974, 497948, 995896, 1369357, 1991792, 2738714, 5477428, 10954856, 21909712

30 divisors

τ Total Divisors 30
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909711
Sum of the proper positive divisors of n
A Arithmetic Mean 0.033333333333333
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 30
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909712 can be divided by 30 positive divisors. The sum of these divisors (counting 21909712) is 1, the average is 0.033333333333333.

Base conversion 21909712

Base System Value
2 Binary 1010011100101000011010000
3 Ternary 1112020010110211
4 Quaternary 1103211003100
5 Quinary 21102102322
6 Senary 2101333504
8 Octal 123450320
10 Decimal 21909712
12 Duodecimal 7407294
16 Hexadecimal 14e50d0
20 Vigesimal 6gie5c
36 Base36 d1ln4

Cryptographic Hash Functions

md5 cd15ae51437e27989abb59921a561687
sha1 5826d717b47ff0a4b5465a33efd7a143c9c592a5
sha256 6b61c1bef5630b74b7ce70b7ed8f5ae94dc9c3b8db9332bfe966704bb1fa5d4f
sha512 440a154de42a86f951b7b35f95ac98905454d123b347d948691a1ef33f0cc103f5cf7ccc0042e91be8d707e4c263f49f8ca6967cfe1301550c11c63ca2f55470
ripemd-160 9a9c87d48d5dc9a078ae4986c1be2c0e9c20f987

21909712 as geometric shapes

Circle

Radius = n
Diameter 43819424
Circumference 137662780.52294
Area 1.5080759371884E+15

Sphere

Radius = n
Volume 4.4055345943903E+22
Surface area 6.0323037487535E+15
Circumference 137662780.52294

Square

Length = n
Perimeter 87638848
Area 480035479922944
Diagonal 30985011.858089

Cube

Length = n
Surface area 2880212879537664
Volume 1.0517439114893E+22
Space diagonal 37948734.363202

Equilateral Triangle

Length = n
Perimeter 65729136
Area 2.0786146016556E+14
Altitude 18974367.181601

Triangular Pyramid

Length = n
Surface area 2.0786146016556E+14
Volume 1.2394920864763E+21
Height 10328337.28603