21445900 (number)

21445900 is an even 8-digits composite number following 21445899 and preceding 21445901. In scientific notation, it is written as 2.1445900 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 7352640 positive integers (up to 21445900) that are relatively prime to 21445900.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred forty-five thousand nine hundred

Notation

Scientific notation 2.1445900 × 10^7
Engineering notation 2.1445900 × 10^6

Prime Factorization of 21445900

Prime Factorization 2 × 2 × 5 × 35 × 30637

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10722950
Product of the distinct prime numbers

The prime factorization of 21445900 is 2 × 2 × 5 × 35 × 30637. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 5, 86, 12, 119, 556, 1400, 3672, 91922, 45450, 180009, 220103, 3669909, 7150637, 68938968, 77426112, 277068428, 338879657, 9960737211, 1416305963

Basic calculations (n = 21445900)

Multiplication

n×y
n×2 42891800
n×3 64337700
n×4 85783600
n×5 107229500

Division

n÷y
n÷2 10722950
n÷3 7148633.3333333
n÷3 5361475
n÷5 4289180

Exponentiation

ny
n2 459926626810000
n3 9.8635404459046E+21
n4 2.1153250204883E+29
n5 4.5365048856889E+36

Nth Root

y√n
2√n 4630.9718202554
3√n 277.83146280902
4√n 68.051244075736
5√n 29.259631706214

Divisors of 21445900

1, 2, 4, 5, 10, 20, 35, 70, 140, 175, 350, 700, 30637, 61274, 122548, 153185, 306370, 612740, 1072295, 2144590, 4289180, 5361475, 10722950, 21445900

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21445899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21445900 can be divided by 24 positive divisors. The sum of these divisors (counting 21445900) is 1, the average is 0.041666666666667.

Base conversion 21445900

Base System Value
2 Binary 1010001110011110100001100
3 Ternary 1111100120020121
4 Quaternary 1101303310030
5 Quinary 20442232100
6 Senary 2043354324
8 Octal 121636414
10 Decimal 21445900
12 Duodecimal 72229a4
16 Hexadecimal 1473d0c
20 Vigesimal 6e0ef0
36 Base36 crnrg

Cryptographic Hash Functions

md5 17549b1bc184e8a4e7d2fa49dc113431
sha1 6b6d69bf234c6fc4c6bb25d02561b2bec0d9466a
sha256 fcc03f15a468d255d81af1c57ceae5d5f871eda756b83e1d4c5c41de884ec5ee
sha512 36c9c1e9f294f6425e66ca13e31f0125d3634e15d48bf39e3f31a2aa1809bde299d60caa77ba8a36d807547399cb8a7c5be84f9b91f572fbc94fbb3b13aa20b8
ripemd-160 f824f4d79daa82583a61ab4801900e4363454c79

21445900 as geometric shapes

Circle

Radius = n
Diameter 42891800
Circumference 134748563.77924
Area 1.4449021119766E+15

Sphere

Radius = n
Volume 4.1316301604319E+22
Surface area 5.7796084479065E+15
Circumference 134748563.77924

Square

Length = n
Perimeter 85783600
Area 459926626810000
Diagonal 30329082.637297

Cube

Length = n
Surface area 2759559760860000
Volume 9.8635404459046E+21
Space diagonal 37145388.414041

Equilateral Triangle

Length = n
Perimeter 64337700
Area 1.9915407134717E+14
Altitude 18572694.207021

Triangular Pyramid

Length = n
Surface area 1.9915407134717E+14
Volume 1.1624293893012E+21
Height 10109694.212432