20001805 is an odd 8-digits composite number following 20001804
and preceding 20001806 . In scientific notation, it is written as 2.0001805 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 16001440 positive integers (up to 20001805) that are relatively prime to 20001805.
20001805 has 4 divisors, whose sum is 24002172
The reverse of 20001805 is 50810002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one thousand eight hundred five
Scientific notation
2.0001805 × 10^7
Engineering notation
2.0001805 × 10^6
Prime Factorization
5 × 4000361
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20001805
Product of the distinct prime numbers
The prime factorization of 20001805 is 5 × 4000361.
Since it has a total of 2 prime factors.
5 , 3 , 74 , 4 , 634 , 676 , 3236 , 1598 , 74342 , 30661 , 636784 , 913027 , 9200958 , 3182622 , 46840020 , 79774668 , 298269490 , 81733823 , 7577509945 , 9420619512
n×2
40003610
n×3
60005415
n×4
80007220
n×5
100009025
n÷2
10000902.5
n÷3
6667268.3333333
n÷3
5000451.25
n÷5
4000361
n2
400072203258025
n3
8.0021661954874E+21
n4
1.6005776781973E+29
n5
3.2014442606655E+36
2 √n
4472.3377555815
3 √n
271.44992728684
4 √n
66.875539291893
5 √n
28.85451891401
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20001804
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20001805 can be divided by 4 positive divisors.
The sum of these divisors (counting 20001805) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010011010000001101
3
Ternary
1101122012022121
4
Quaternary
1030103100031
5
Quinary
20110024210
6
Senary
1552412541
8
Octal
114232015
10
Decimal
20001805
12
Duodecimal
6847151
16
Hexadecimal
131340d
20
Vigesimal
6504a5
36
Base36
bwphp
md5
45378ce8812737982b2972fca5cbec57
sha1
bf16f6a84cff596a71dc9d6ab3d0b417770e4c94
sha256
96300304cf9f7d13313714f7be1e4c633f5434305d9febfb0eed0c2b3e9839a7
sha512
4e86c9c87b055ed8ec838b176c860144a32da035294832f1225d2fdb42011db58c4bb527c0801a19403c14ca76b0a6c868c05bcac47727111851c13d61d23256
ripemd-160
6c4e7e975273a7cb6de9e9881bbb06c7e901ce85
Diameter
40003610
Circumference
125675047.29307
Area
1.2568638946609E+15
Volume
3.351939537673E+22
Surface area
5.0274555786436E+15
Circumference
125675047.29307
Perimeter
80007220
Area
400072203258025
Diagonal
28286823.902942
Surface area
2400433219548150
Volume
8.0021661954874E+21
Space diagonal
34644142.503085
Perimeter
60005415
Area
1.7323634568473E+14
Altitude
17322071.251543
Surface area
1.7323634568473E+14
Volume
9.4306433016848E+20
Height
9428941.3009807