21007844 (number)

21007844 is an even 8-digits composite number following 21007843 and preceding 21007845. In scientific notation, it is written as 2.1007844 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 48 positive divisors. There are 8346240 positive integers (up to 21007844) that are relatively prime to 21007844.

Interesting facts

Basic properties

Name

Name twenty-one million seven thousand eight hundred forty-four

Notation

Scientific notation 2.1007844 × 10^7
Engineering notation 2.1007844 × 10^6

Prime Factorization of 21007844

Prime Factorization 2 × 2 × 13 × 11 × 19 × 1933

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10503922
Product of the distinct prime numbers

The prime factorization of 21007844 is 2 × 2 × 13 × 11 × 19 × 1933. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 6, 100, 5, 377, 185, 8864, 1165, 91723, 53522, 50615, 632863, 6366856, 3940225, 31211983, 7398410, 665302939, 30957464, 8542448552, 7296049544

Basic calculations (n = 21007844)

Multiplication

n×y
n×2 42015688
n×3 63023532
n×4 84031376
n×5 105039220

Division

n÷y
n÷2 10503922
n÷3 7002614.6666667
n÷3 5251961
n÷5 4201568.8

Exponentiation

ny
n2 441329509528336
n3 9.2713814887678E+21
n4 1.9477173598052E+29
n5 4.091734245088E+36

Nth Root

y√n
2√n 4583.4314656161
3√n 275.92676415767
4√n 67.701044789694
5√n 29.139110928381

Divisors of 21007844

1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1933, 2717, 3866, 5434, 7732, 10868, 21263, 25129, 36727, 42526, 50258, 73454, 85052, 100516, 146908, 276419, 403997, 477451, 552838, 807994, 954902, 1105676, 1615988, 1909804, 5251961, 10503922, 21007844

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 -21007843
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 21007844 can be divided by 48 positive divisors. The sum of these divisors (counting 21007844) is 1, the average is 0.020833333333333.

Base conversion 21007844

Base System Value
2 Binary 1010000001000110111100100
3 Ternary 1110112022100022
4 Quaternary 1100020313210
5 Quinary 20334222334
6 Senary 2030134312
8 Octal 120106744
10 Decimal 21007844
12 Duodecimal 7051398
16 Hexadecimal 1408de4
20 Vigesimal 6b5jc4
36 Base36 ci9r8

Cryptographic Hash Functions

md5 4a6d35594a71db010a220c03b41ed29a
sha1 2401604dc13ea8b46bde4a6962a27bd3c83bb473
sha256 bc190b38cf2688a89a19dc3bb3fc1f01ce3861bd79cfdfbbdd72330c0e8b8c81
sha512 2966a7f05b08a78bb3d4f952011179f926ed1fdc8d2ff3f3b71375c358b537710f72790e8a421eba4d76fc0e50a1dd13f82b0a6ef2f2b7f735e52a459fab012c
ripemd-160 b6ac245685cc1ac2f0eb5759b6f55ced462b729b

21007844 as geometric shapes

Circle

Radius = n
Diameter 42015688
Circumference 131996176.75632
Area 1.3864775449466E+15

Sphere

Radius = n
Volume 3.8835871964988E+22
Surface area 5.5459101797864E+15
Circumference 131996176.75632

Square

Length = n
Perimeter 84031376
Area 441329509528336
Diagonal 29709577.901018

Cube

Length = n
Surface area 2647977057170016
Volume 9.2713814887678E+21
Space diagonal 36386653.165481

Equilateral Triangle

Length = n
Perimeter 63023532
Area 1.9110128334563E+14
Altitude 18193326.58274

Triangular Pyramid

Length = n
Surface area 1.9110128334563E+14
Volume 1.0926427869459E+21
Height 9903192.6336728