21051844 (number)

21051844 is an even 8-digits composite number following 21051843 and preceding 21051845. In scientific notation, it is written as 2.1051844 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 9569000 positive integers (up to 21051844) that are relatively prime to 21051844.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1051844 × 10^7
Engineering notation 2.1051844 × 10^6

Prime Factorization of 21051844

Prime Factorization 2 × 2 × 11 × 478451

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10525922
Product of the distinct prime numbers

The prime factorization of 21051844 is 2 × 2 × 11 × 478451. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 72, 68, 875, 798, 1332, 1805, 60599, 64265, 929608, 537081, 3623353, 6734156, 56634459, 51701356, 410392316, 887413866, 449221485, 4337061365

Basic calculations (n = 21051844)

Multiplication

n×y
n×2 42103688
n×3 63155532
n×4 84207376
n×5 105259220

Division

n÷y
n÷2 10525922
n÷3 7017281.3333333
n÷3 5262961
n÷5 4210368.8

Exponentiation

ny
n2 443180135800336
n3 9.3297590827675E+21
n4 1.96408632768E+29
n5 4.1347638972853E+36

Nth Root

y√n
2√n 4588.2288521825
3√n 276.11926862354
4√n 67.736466192019
5√n 29.151306830926

Divisors of 21051844

1, 2, 4, 11, 22, 44, 478451, 956902, 1913804, 5262961, 10525922, 21051844

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 -21051843
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 21051844 can be divided by 12 positive divisors. The sum of these divisors (counting 21051844) is 1, the average is 0.083333333333333.

Base conversion 21051844

Base System Value
2 Binary 1010000010011100111000100
3 Ternary 1110121112200221
4 Quaternary 1100103213010
5 Quinary 20342124334
6 Senary 2031114124
8 Octal 120234704
10 Decimal 21051844
12 Duodecimal 7072944
16 Hexadecimal 14139c4
20 Vigesimal 6bb9c4
36 Base36 cj7pg

Cryptographic Hash Functions

md5 66b9da057d1d4c7a761efe565b8fa3ce
sha1 722cad974a3e64b3726a84ae5a8c7945e0410b06
sha256 85123c5fb9cfe58815c1b4c755c67a53d23093dcfafda66bc537412484ce9f6a
sha512 3789ca238408e287ce344136421cc282cc7ccc755605e474212e5cbcb5705f4a43ccde18a1c49c9e49f41f0efc1c367d8e6d19f0f0c80bd1321fc438e9366745
ripemd-160 25dfa5d8734b333d77f7498ea2f592c0d58b2994

21051844 as geometric shapes

Circle

Radius = n
Diameter 42103688
Circumference 132272636.90984
Area 1.3922914588473E+15

Sphere

Radius = n
Volume 3.9080403458913E+22
Surface area 5.569165835389E+15
Circumference 132272636.90984

Square

Length = n
Perimeter 84207376
Area 443180135800336
Diagonal 29771803.297763

Cube

Length = n
Surface area 2659080814802016
Volume 9.3297590827675E+21
Space diagonal 36462863.401014

Equilateral Triangle

Length = n
Perimeter 63155532
Area 1.9190262802786E+14
Altitude 18231431.700507

Triangular Pyramid

Length = n
Surface area 1.9190262802786E+14
Volume 1.0995226523769E+21
Height 9923934.4325876