20447721 (number)

20447721 is an odd 8-digits composite number following 20447720 and preceding 20447722. In scientific notation, it is written as 2.0447721 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 24 positive divisors. There are 11681496 positive integers (up to 20447721) that are relatively prime to 20447721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0447721 × 10^7
Engineering notation 2.0447721 × 10^6

Prime Factorization of 20447721

Prime Factorization 3 × 21 × 3 × 3 × 9 × 4007

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2271969
Product of the distinct prime numbers

The prime factorization of 20447721 is 3 × 21 × 3 × 3 × 9 × 4007. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 7, 26, 40, 250, 720, 4330, 6333, 21567, 41724, 155487, 302574, 4977615, 56085, 75841080, 71097320, 612143608, 112213438, 3865881566, 7984802541

Basic calculations (n = 20447721)

Multiplication

n×y
n×2 40895442
n×3 61343163
n×4 81790884
n×5 102238605

Division

n÷y
n÷2 10223860.5
n÷3 6815907
n÷3 5111930.25
n÷5 4089544.2

Exponentiation

ny
n2 418109294093841
n3 8.5493821931378E+21
n4 1.7481538180765E+29
n5 3.5745761537113E+36

Nth Root

y√n
2√n 4521.9156338879
3√n 273.4523354846
4√n 67.245190414541
5√n 28.98204204469

Divisors of 20447721

1, 3, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 4007, 5103, 12021, 36063, 84147, 108189, 252441, 324567, 757323, 973701, 2271969, 6815907, 20447721

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 -20447720
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 20447721 can be divided by 24 positive divisors. The sum of these divisors (counting 20447721) is 1, the average is 0.041666666666667.

Base conversion 20447721

Base System Value
2 Binary 1001110000000000111101001
3 Ternary 1102110212000000
4 Quaternary 1032000013221
5 Quinary 20213311341
6 Senary 2010133213
8 Octal 116000751
10 Decimal 20447721
12 Duodecimal 6a21209
16 Hexadecimal 13801e9
20 Vigesimal 67fj61
36 Base36 c69k9

Cryptographic Hash Functions

md5 a528d52bd58f7c32923450f7d0e49c44
sha1 6baac71a1a4eadb4cafa4cc0d266e2f83c2ed0b2
sha256 99d0ad44f40a0a569a49f00dcfc39ffc6bd031552cbacbb763ea463974747088
sha512 db39ec2f71df7283b18d01affc73ed5505cad08d193457abdd13da6d9b94c5c3cd46c6102ce28b17ca3706a92edcd5e8ea56d29d63cf8d4c34b8691ee2608aa2
ripemd-160 f3df034c281a171749477d1c1207a5069e057b54

20447721 as geometric shapes

Circle

Radius = n
Diameter 40895442
Circumference 128476820.15251
Area 1.3135290867228E+15

Sphere

Radius = n
Volume 3.5811568387591E+22
Surface area 5.2541163468913E+15
Circumference 128476820.15251

Square

Length = n
Perimeter 81790884
Area 418109294093841
Diagonal 28917444.357821

Cube

Length = n
Surface area 2508655764563046
Volume 8.5493821931378E+21
Space diagonal 35416491.670993

Equilateral Triangle

Length = n
Perimeter 61343163
Area 1.8104663512182E+14
Altitude 17708245.835497

Triangular Pyramid

Length = n
Surface area 1.8104663512182E+14
Volume 1.0075543539539E+21
Height 9639148.1192737