20990189 is an odd 8-digits composite number following 20990188
and preceding 20990190 . In scientific notation, it is written as 2.0990189 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 17959360 positive integers (up to 20990189) that are relatively prime to 20990189.
20990189 has 4 divisors, whose sum is 21102624
The reverse of 20990189 is 98109902
Previous prime number is 187
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred ninety thousand one hundred eighty-nine
Scientific notation
2.0990189 × 10^7
Engineering notation
2.0990189 × 10^6
Prime Factorization
187 × 112247
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20990189
Product of the distinct prime numbers
The prime factorization of 20990189 is 187 × 112247.
Since it has a total of 2 prime factors.
4 , 10 , 76 , 51 , 151 , 324 , 4588 , 7737 , 88285 , 12784 , 751093 , 335030 , 5382149 , 2073436 , 56549393 , 85754615 , 568782238 , 931121905 , 1581654655 , 5192422771
n×2
41980378
n×3
62970567
n×4
83960756
n×5
104950945
n÷2
10495094.5
n÷3
6996729.6666667
n÷3
5247547.25
n÷5
4198037.8
n2
440588034255721
n3
9.2480261101661E+21
n4
1.9411781592932E+29
n5
4.0745696446236E+36
2 √n
4581.505102038
3 √n
275.84944617547
4 √n
67.686816308924
5 √n
29.13421157718
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
-20990188
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 20990189 can be divided by 4 positive divisors.
The sum of these divisors (counting 20990189) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000100100011101101
3
Ternary
1110111102010102
4
Quaternary
1100010203231
5
Quinary
20333141224
6
Senary
2025520445
8
Octal
120044355
10
Decimal
20990189
12
Duodecimal
7043125
16
Hexadecimal
14048ed
20
Vigesimal
6b3f99
36
Base36
chw4t
md5
60fab5e1359a320eb47b7483cd4b731e
sha1
9636317386c34a17968ca32754e7759565b9c7ce
sha256
5308efa7681d9536ad1cc665a14da104b17213cc454d156d81bf548d404083d9
sha512
6ba184ec0af9cc914468c936aa27673e4f3edacdd4d9e35f35a6b86916ebc9dc81c41a90680a2f2a7f38317c415baff6ece1368d856f9cb3896a67dab1a7a770
ripemd-160
ed6a1ee302b6118eddfcbaf800c3e16b8dd45692
Diameter
41980378
Circumference
131885247.11972
Area
1.3841481316773E+15
Volume
3.8738041183872E+22
Surface area
5.5365925267094E+15
Circumference
131885247.11972
Perimeter
83960756
Area
440588034255721
Diagonal
29684609.960575
Surface area
2643528205534326
Volume
9.2480261101661E+21
Space diagonal
36356073.808473
Perimeter
62970567
Area
1.9078021513445E+14
Altitude
18178036.904237
Surface area
1.9078021513445E+14
Volume
1.0898903291814E+21
Height
9894869.9868582