20188890 is an even 8-digits composite number following 20188889
and preceding 20188891 . In scientific notation, it is written as 2.0188890 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 5328000 positive integers (up to 20188890) that are relatively prime to 20188890.
20188890 has 16 divisors, whose sum is 31276872
The reverse of 20188890 is 09888102
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred eighty-eight thousand eight hundred ninety
Scientific notation
2.0188890 × 10^7
Engineering notation
2.0188890 × 10^6
Prime Factorization
2 × 45 × 101 × 2221
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20188890
Product of the distinct prime numbers
The prime factorization of 20188890 is 2 × 45 × 101 × 2221.
Since it has a total of 4 prime factors.
6 , 5 , 10 , 97 , 665 , 762 , 8954 , 6633 , 78885 , 76793 , 983897 , 211692 , 6784254 , 6010146 , 89768929 , 98939657 , 404678257 , 880500731 , 7803210662 , 917565313
n×2
40377780
n×3
60566670
n×4
80755560
n×5
100944450
n÷2
10094445
n÷3
6729630
n÷3
5047222.5
n÷5
4037778
n2
407591279432100
n3
8.2288155054139E+21
n4
1.661306510691E+29
n5
3.3539934400624E+36
2 √n
4493.2048695781
3 √n
272.29362934616
4 √n
67.031372278792
5 √n
28.908295695445
1 , 2 , 45 , 90 , 101 , 202 , 2221 , 4442 , 4545 , 9090 , 99945 , 199890 , 224321 , 448642 , 10094445 , 20188890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20188889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20188890 can be divided by 16 positive divisors.
The sum of these divisors (counting 20188890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000111011011010
3
Ternary
1101222200221200
4
Quaternary
1031000323122
5
Quinary
20132021030
6
Senary
2000415030
8
Octal
115007332
10
Decimal
20188890
12
Duodecimal
6917476
16
Hexadecimal
1340eda
20
Vigesimal
663c4a
36
Base36
c0pui
md5
1fcbbe2a708d323086bed50e51adf7b4
sha1
7fb198249023f89bbad08de55959489ca3e9bca5
sha256
384878f812f41d42e0315c4130544e5719510f54b3591ff183ee32097fdcfcc1
sha512
1e8e5becd45948423f91deef499257e91df98bb0b387b19789d58a745c37889dfcbb3d6f9ef0b5fbbcca57f6b413a4a1c63b57e28577651d26a0474091adf5c8
ripemd-160
43949a3500e08f30e90a1049e5063af8dd02ab55
Diameter
40377780
Circumference
126850537.01626
Area
1.2804857691312E+15
Volume
3.4468781786072E+22
Surface area
5.1219430765246E+15
Circumference
126850537.01626
Perimeter
80755560
Area
407591279432100
Diagonal
28551402.047259
Surface area
2445547676592600
Volume
8.2288155054139E+21
Space diagonal
34968183.228419
Perimeter
60566670
Area
1.764922011746E+14
Altitude
17484091.61421
Surface area
1.764922011746E+14
Volume
9.6977520750187E+20
Height
9517134.0157529