20118905 is an odd 8-digits composite number following 20118904
and preceding 20118906 . In scientific notation, it is written as 2.0118905 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors.
There are 14080000 positive integers (up to 20118905) that are relatively prime to 20118905.
20118905 has 32 divisors, whose sum is 27433728
The reverse of 20118905 is 50981102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred eighteen thousand nine hundred five
Scientific notation
2.0118905 × 10^7
Engineering notation
2.0118905 × 10^6
Prime Factorization
5 × 41 × 23 × 17 × 251
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20118905
Product of the distinct prime numbers
The prime factorization of 20118905 is 5 × 41 × 23 × 17 × 251.
Since it has a total of 5 prime factors.
10 , 6 , 33 , 85 , 546 , 168 , 3042 , 1259 , 78668 , 20586 , 770287 , 273107 , 2141217 , 5335119 , 30919397 , 423118 , 296070926 , 424285621 , 9728126533 , 3845293780
n×2
40237810
n×3
60356715
n×4
80475620
n×5
100594525
n÷2
10059452.5
n÷3
6706301.6666667
n÷3
5029726.25
n÷5
4023781
n2
404770338399025
n3
8.1435359850678E+21
n4
1.6383902684766E+29
n5
3.2962618164405E+36
2 √n
4485.4102376483
3 √n
271.97862883561
4 √n
66.973205370867
5 √n
28.888225664576
1 , 5 , 17 , 23 , 41 , 85 , 115 , 205 , 251 , 391 , 697 , 943 , 1255 , 1955 , 3485 , 4267 , 4715 , 5773 , 10291 , 16031 , 21335 , 28865 , 51455 , 80155 , 98141 , 174947 , 236693 , 490705 , 874735 , 1183465 , 4023781 , 20118905
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20118904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20118905 can be divided by 32 positive divisors.
The sum of these divisors (counting 20118905) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100101111110101111001
3
Ternary
1101212010221122
4
Quaternary
1030233311321
5
Quinary
20122301110
6
Senary
1555115025
8
Octal
114576571
10
Decimal
20118905
12
Duodecimal
68a2a75
16
Hexadecimal
132fd79
20
Vigesimal
65eh55
36
Base36
bz7uh
md5
65a313f5d25c499ffded012e8d92c43d
sha1
c1938989efc0995eaca104d2544ad7b515592ec0
sha256
283de5529b1f3afde6351533aca523c895e473be9f7a067b61e71f0769383d12
sha512
3ec485bf6c196e52a1a71666b442181319db3093f4de086f5ce30f33a68850b58415599617ccf329611dc2d879487695da827ff63b0667bdf09e8e3f43aadf00
ripemd-160
c4655dbc2d43531a7ce63a6e123810aac8065e0e
Diameter
40237810
Circumference
126410808.29254
Area
1.2716235215054E+15
Volume
3.4111563766578E+22
Surface area
5.0864940860217E+15
Circumference
126410808.29254
Perimeter
80475620
Area
404770338399025
Diagonal
28452428.311096
Surface area
2428622030394150
Volume
8.1435359850678E+21
Space diagonal
34846965.652652
Perimeter
60356715
Area
1.7527069787599E+14
Altitude
17423482.826326
Surface area
1.7527069787599E+14
Volume
9.5972491964636E+20
Height
9484142.7703653