20447445 is an odd 8-digits composite number following 20447444
and preceding 20447446 . In scientific notation, it is written as 2.0447445 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10553280 positive integers (up to 20447445) that are relatively prime to 20447445.
20447445 has 16 divisors, whose sum is 33772032
The reverse of 20447445 is 54474402
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred forty-seven thousand four hundred forty-five
Scientific notation
2.0447445 × 10^7
Engineering notation
2.0447445 × 10^6
Prime Factorization
3 × 31 × 5 × 43973
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20447445
Product of the distinct prime numbers
The prime factorization of 20447445 is 3 × 31 × 5 × 43973.
Since it has a total of 4 prime factors.
10 , 5 , 1 , 78 , 758 , 213 , 4281 , 3622 , 80115 , 20316 , 911477 , 632402 , 5146680 , 2405289 , 5202136 , 13187316 , 967202690 , 265226425 , 6701028243 , 9372932483
n×2
40894890
n×3
61342335
n×4
81789780
n×5
102237225
n÷2
10223722.5
n÷3
6815815
n÷3
5111861.25
n÷5
4089489
n2
418098007028025
n3
8.5490360033152E+21
n4
1.7480594348081E+29
n5
3.5743349149969E+36
2 √n
4521.8851157454
3 √n
273.45110514074
4 √n
67.244963497242
5 √n
28.981963805293
1 , 3 , 5 , 15 , 31 , 93 , 155 , 465 , 43973 , 131919 , 219865 , 659595 , 1363163 , 4089489 , 6815815 , 20447445
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20447444
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20447445 can be divided by 16 positive divisors.
The sum of these divisors (counting 20447445) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000000000011010101
3
Ternary
1102110211121210
4
Quaternary
1032000003111
5
Quinary
20213304240
6
Senary
2010132033
8
Octal
116000325
10
Decimal
20447445
12
Duodecimal
6a21019
16
Hexadecimal
13800d5
20
Vigesimal
67fic5
36
Base36
c69cl
md5
63f14638809704fc28c3cd5fcc8916f7
sha1
73c34feda36ad1f92ff89e32795fb583ebdd67a9
sha256
7b67a9ed56f5a2da40245b6c0bcc342c09b263a99ffebc8d35c4d6eec216e03f
sha512
6a85661531befec3c3b27d9fdced0244f62083e49bff386f076268f5430f24749e258f14b019c0226715f33fbf9822990e956a5e660aa3ce503085b800ef80b2
ripemd-160
3f63d5236b9fc4f4ccdeac5085ec77de605d4941
Diameter
40894890
Circumference
128475085.99336
Area
1.3134936273598E+15
Volume
3.5810118271053E+22
Surface area
5.2539745094391E+15
Circumference
128475085.99336
Perimeter
81789780
Area
418098007028025
Diagonal
28917054.034878
Surface area
2508588042168150
Volume
8.5490360033152E+21
Space diagonal
35416013.62497
Perimeter
61342335
Area
1.8104174767896E+14
Altitude
17708006.812485
Surface area
1.8104174767896E+14
Volume
1.007513555092E+21
Height
9639018.011626