20011808 is an even 8-digits composite number following 20011807
and preceding 20011809 . In scientific notation, it is written as 2.0011808 × 10^7.
The sum of its digits is 20. It has a total of 6 prime factors and 12 positive divisors.
There are 10005888 positive integers (up to 20011808) that are relatively prime to 20011808.
20011808 has 12 divisors, whose sum is 39398310
The reverse of 20011808 is 80811002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million eleven thousand eight hundred eight
Scientific notation
2.0011808 × 10^7
Engineering notation
2.0011808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 625369
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1250738
Product of the distinct prime numbers
The prime factorization of 20011808 is 2 × 2 × 2 × 2 × 2 × 625369.
Since it has a total of 6 prime factors.
9 , 7 , 18 , 90 , 100 , 978 , 5217 , 5930 , 60163 , 12235 , 515246 , 985737 , 7690319 , 2762069 , 50819269 , 19906052 , 25918366 , 527631534 , 4699826365 , 5357753230
n×2
40023616
n×3
60035424
n×4
80047232
n×5
100059040
n÷2
10005904
n÷3
6670602.6666667
n÷3
5002952
n÷5
4002361.6
n2
400472459428864
n3
8.0141779673782E+21
n4
1.60378190761E+29
n5
3.2094575608966E+36
2 √n
4473.4559347332
3 √n
271.49517088863
4 √n
66.883898919944
5 √n
28.857404393911
1 , 2 , 4 , 8 , 16 , 32 , 625369 , 1250738 , 2501476 , 5002952 , 10005904 , 20011808
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20011807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20011808 can be divided by 12 positive divisors.
The sum of these divisors (counting 20011808) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010101101100100000
3
Ternary
1101122201001002
4
Quaternary
1030111230200
5
Quinary
20110334213
6
Senary
1552531132
8
Octal
114255440
10
Decimal
20011808
12
Duodecimal
6850aa8
16
Hexadecimal
1315b20
20
Vigesimal
6519a8
36
Base36
bwx7k
md5
5ead5c112b4e136029343234ee7124fb
sha1
d59e0abec6a9734afe35f8ed2148efec7618bf5a
sha256
2631ffe2ae56fe2dadc4d7884bd4759c693f777d147c53aec5aab598bf9b4540
sha512
74fc1725438a1025304456fa72542f2d61364b47c4367e31226d5d91f3f9f5bda1ee8f017c66fac2e59e45db9d8855c07e9a5b1e9d84b8fe1497d8bce55bf8f7
ripemd-160
1a5682be6df5cac6d776b6299c077c65b59d4771
Diameter
40023616
Circumference
125737897.9957
Area
1.2581213365068E+15
Volume
3.3569710169169E+22
Surface area
5.032485346027E+15
Circumference
125737897.9957
Perimeter
80047232
Area
400472459428864
Diagonal
28300970.281206
Surface area
2402834756573184
Volume
8.0141779673782E+21
Space diagonal
34661468.207313
Perimeter
60035424
Area
1.7340966169071E+14
Altitude
17330734.103657
Surface area
1.7340966169071E+14
Volume
9.4447993106149E+20
Height
9433656.7604021