20188900 is an even 8-digits composite number following 20188899
and preceding 20188901 . In scientific notation, it is written as 2.0188900 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 8075520 positive integers (up to 20188900) that are relatively prime to 20188900.
20188900 has 12 divisors, whose sum is 36743980
The reverse of 20188900 is 00988102
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred eighty-eight thousand nine hundred
Scientific notation
2.0188900 × 10^7
Engineering notation
2.0188900 × 10^6
Prime Factorization
2 × 2 × 25 × 201889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10094450
Product of the distinct prime numbers
The prime factorization of 20188900 is 2 × 2 × 25 × 201889.
Since it has a total of 4 prime factors.
2 , 9 , 57 , 99 , 233 , 211 , 5653 , 4514 , 79061 , 60652 , 555450 , 486416 , 4474500 , 1629455 , 22644060 , 25285139 , 572401276 , 896234738 , 1370602098 , 6101091846
n×2
40377800
n×3
60566700
n×4
80755600
n×5
100944500
n÷2
10094450
n÷3
6729633.3333333
n÷3
5047225
n÷5
4037780
n2
407591683210000
n3
8.2288277331584E+21
n4
1.6613098022196E+29
n5
3.3540017466031E+36
2 √n
4493.2059823694
3 √n
272.29367430382
4 √n
67.031380579318
5 √n
28.908298559227
1 , 2 , 4 , 25 , 50 , 100 , 201889 , 403778 , 807556 , 5047225 , 10094450 , 20188900
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
-20188899
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 20188900 can be divided by 12 positive divisors.
The sum of these divisors (counting 20188900) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000000111011100100
3
Ternary
1101222200222001
4
Quaternary
1031000323210
5
Quinary
20132021100
6
Senary
2000415044
8
Octal
115007344
10
Decimal
20188900
12
Duodecimal
6917484
16
Hexadecimal
1340ee4
20
Vigesimal
663c50
36
Base36
c0pus
md5
dd36e2e92b8b6ea296d3116daabf370a
sha1
013cfc989e64e60529335127d4da93dfcb928517
sha256
f694acd7fd11d042a79513a9d0f6abefd071a9062943a0d66e570f9c11f64279
sha512
0cc7e8ed6a3859b8146b78e5b3f801ee87d99f0579450ef14ca03587ab42eceae46c8ed6c9a956e546c4566f70e8238ca63ac7a198758b98e6db3206e94139ad
ripemd-160
c00370d86ab19e90a928015ee9fffa100000e53b
Diameter
40377800
Circumference
126850599.84812
Area
1.2804870376368E+15
Volume
3.4468833005528E+22
Surface area
5.1219481505473E+15
Circumference
126850599.84812
Perimeter
80755600
Area
407591683210000
Diagonal
28551416.189394
Surface area
2445550099260000
Volume
8.2288277331584E+21
Space diagonal
34968200.548927
Perimeter
60566700
Area
1.7649237601556E+14
Altitude
17484100.274464
Surface area
1.7649237601556E+14
Volume
9.6977664855537E+20
Height
9517138.7297981