20188085 is an odd 8-digits composite number following 20188084
and preceding 20188086 . In scientific notation, it is written as 2.0188085 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 16150464 positive integers (up to 20188085) that are relatively prime to 20188085.
20188085 has 4 divisors, whose sum is 24225708
The reverse of 20188085 is 58088102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred eighty-eight thousand eighty-five
Scientific notation
2.0188085 × 10^7
Engineering notation
2.0188085 × 10^6
Prime Factorization
5 × 4037617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20188085
Product of the distinct prime numbers
The prime factorization of 20188085 is 5 × 4037617.
Since it has a total of 2 prime factors.
10 , 10 , 12 , 56 , 820 , 613 , 8259 , 1987 , 78494 , 64386 , 708254 , 450313 , 9919766 , 3716133 , 65067639 , 99023600 , 821770078 , 646101424 , 7692015484 , 7935673481
n×2
40376170
n×3
60564255
n×4
80752340
n×5
100940425
n÷2
10094042.5
n÷3
6729361.6666667
n÷3
5047021.25
n÷5
4037617
n2
407558775967225
n3
8.2278312117223E+21
n4
1.661041558679E+29
n5
3.3533248175145E+36
2 √n
4493.1152889727
3 √n
272.29001020571
4 √n
67.030704076361
5 √n
28.90806515727
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
-20188084
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 20188085 can be divided by 4 positive divisors.
The sum of these divisors (counting 20188085) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000101110110101
3
Ternary
1101222122211212
4
Quaternary
1031000232311
5
Quinary
20132004320
6
Senary
2000411205
8
Octal
115005665
10
Decimal
20188085
12
Duodecimal
6916b05
16
Hexadecimal
1340bb5
20
Vigesimal
663a45
36
Base36
c0p85
md5
ede76092cf5d379687d9155d7d34f45e
sha1
3ce6deaf63b46344f7f1d6b2cb2cc0a916f7621b
sha256
17700528a675a2c0100bef149b39d00961b7240603897af9915776253c818957
sha512
0951872a7bf8877b8069be169003a9f00e64b9af7da38836eff9e4e857954a220556dd39fca69042da47334d8486c71ea67bae3d90c49bcfa87b5f6b58c68ab2
ripemd-160
4753f6847bfedaa5ab2268bf0e613044aa93fb52
Diameter
40376170
Circumference
126845479.05209
Area
1.2803836564847E+15
Volume
3.4464658786298E+22
Surface area
5.1215346259387E+15
Circumference
126845479.05209
Perimeter
80752340
Area
407558775967225
Diagonal
28550263.605341
Surface area
2445352655803350
Volume
8.2278312117223E+21
Space diagonal
34966788.927519
Perimeter
60564255
Area
1.7647812676145E+14
Altitude
17483394.46376
Surface area
1.7647812676145E+14
Volume
9.6965920737786E+20
Height
9516754.5351136