20403645 is an odd 8-digits composite number following 20403644
and preceding 20403646 . In scientific notation, it is written as 2.0403645 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10408640 positive integers (up to 20403645) that are relatively prime to 20403645.
20403645 has 16 divisors, whose sum is 34065792
The reverse of 20403645 is 54630402
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million four hundred three thousand six hundred forty-five
Scientific notation
2.0403645 × 10^7
Engineering notation
2.0403645 × 10^6
Prime Factorization
3 × 5 × 23 × 59141
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20403645
Product of the distinct prime numbers
The prime factorization of 20403645 is 3 × 5 × 23 × 59141.
Since it has a total of 4 prime factors.
2 , 9 , 79 , 40 , 861 , 770 , 3840 , 9645 , 99142 , 87561 , 308970 , 936237 , 6038753 , 4331996 , 90604913 , 31530375 , 788183604 , 935247370 , 4674391224 , 5316432083
n×2
40807290
n×3
61210935
n×4
81614580
n×5
102018225
n÷2
10201822.5
n÷3
6801215
n÷3
5100911.25
n÷5
4080729
n2
416308729286025
n3
8.4942155227532E+21
n4
1.7331295807974E+29
n5
3.536216070559E+36
2 √n
4517.039406514
3 √n
273.25571445998
4 √n
67.208923563125
5 √n
28.969536833764
1 , 3 , 5 , 15 , 23 , 69 , 115 , 345 , 59141 , 177423 , 295705 , 887115 , 1360243 , 4080729 , 6801215 , 20403645
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
-20403644
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 20403645 can be divided by 16 positive divisors.
The sum of these divisors (counting 20403645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101010110111101
3
Ternary
1102101121112120
4
Quaternary
1031311112331
5
Quinary
20210404040
6
Senary
2005153153
8
Octal
115652675
10
Decimal
20403645
12
Duodecimal
69bb7b9
16
Hexadecimal
13755bd
20
Vigesimal
67a925
36
Base36
c5bjx
md5
257d909eef7320696c7534f4ddd73d21
sha1
b5bdfe955bca8f645121e8e99d15fe67fc351424
sha256
170cf6e4a39a368958fc65e808cbaf490a1910249d5f2de263d21d68bffba050
sha512
4c6d20bafed563add661d9f92acc69e73ab16dbf650a6b48447f567d77b17db9f52347e2bf0181160d027ebd06299c2fc31a434247b6b327fcef4ed1ba91672f
ripemd-160
c3b69791d040c464846014f1f9b823651dd9eddf
Diameter
40807290
Circumference
128199882.47691
Area
1.3078724455503E+15
Volume
3.5580486779053E+22
Surface area
5.2314897822011E+15
Circumference
128199882.47691
Perimeter
81614580
Area
416308729286025
Diagonal
28855111.480846
Surface area
2497852375716150
Volume
8.4942155227532E+21
Space diagonal
35340149.799599
Perimeter
61210935
Area
1.8026696768946E+14
Altitude
17670074.899799
Surface area
1.8026696768946E+14
Volume
1.0010528994998E+21
Height
9618370.4936153