20405853 is an odd 8-digits composite number following 20405852
and preceding 20405854 . In scientific notation, it is written as 2.0405853 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 12009888 positive integers (up to 20405853) that are relatively prime to 20405853.
20405853 has 16 divisors, whose sum is 25482240
The reverse of 20405853 is 35850402
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred five thousand eight hundred fifty-three
Scientific notation
2.0405853 × 10^7
Engineering notation
2.0405853 × 10^6
Prime Factorization
9 × 23 × 13 × 7583
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20405853
Product of the distinct prime numbers
The prime factorization of 20405853 is 9 × 23 × 13 × 7583.
Since it has a total of 4 prime factors.
6 , 2 , 38 , 16 , 41 , 535 , 8085 , 5417 , 28979 , 18058 , 546651 , 142330 , 7555582 , 3426668 , 1286858 , 38368092 , 503598823 , 80528592 , 3665711886 , 2054770865
n×2
40811706
n×3
61217559
n×4
81623412
n×5
102029265
n÷2
10202926.5
n÷3
6801951
n÷3
5101463.25
n÷5
4081170.6
n2
416398836657609
n3
8.4969734502062E+21
n4
1.7338799116981E+29
n5
3.5381298597764E+36
2 √n
4517.2838077765
3 √n
273.26557098079
4 √n
67.210741758863
5 √n
28.970163799865
1 , 9 , 13 , 23 , 117 , 207 , 299 , 2691 , 7583 , 68247 , 98579 , 174409 , 887211 , 1569681 , 2267317 , 20405853
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
-20405852
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 20405853 can be divided by 16 positive divisors.
The sum of these divisors (counting 20405853) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101111001011101
3
Ternary
1102101201120100
4
Quaternary
1031311321131
5
Quinary
20210441403
6
Senary
2005211313
8
Octal
115657135
10
Decimal
20405853
12
Duodecimal
6a00b39
16
Hexadecimal
1375e5d
20
Vigesimal
67aecd
36
Base36
c5d99
md5
34ae41904bed5082431afe6d7085e4ec
sha1
02437df7640157491c6eda8f73bd83e8e407025e
sha256
591ce570de14a62aa691e4b56e9340117e628b95784a8ec73fe69e95cfd20ceb
sha512
dc2978add4da1a551b4729e54a3f0c0ca960a3c3bba33d83ead3646ebcdc7ca6cf3c2e9534d3966299131782f3c393a342d5133247bfc1d5bc2d0842054dd72b
ripemd-160
105cb27b5a7d7251a6387696ad8f3c9f648a1a32
Diameter
40811706
Circumference
128213755.75007
Area
1.3081555262069E+15
Volume
3.5592039158554E+22
Surface area
5.2326221048275E+15
Circumference
128213755.75007
Perimeter
81623412
Area
416398836657609
Diagonal
28858234.064392
Surface area
2498393019945654
Volume
8.4969734502062E+21
Space diagonal
35343974.167782
Perimeter
61217559
Area
1.8030598532589E+14
Altitude
17671987.083891
Surface area
1.8030598532589E+14
Volume
1.0013779243671E+21
Height
9619411.3547972