20188940 is an even 8-digits composite number following 20188939
and preceding 20188941 . In scientific notation, it is written as 2.0188940 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 7724288 positive integers (up to 20188940) that are relatively prime to 20188940.
20188940 has 24 divisors, whose sum is 44241120
The reverse of 20188940 is 04988102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred eighty-eight thousand nine hundred forty
Scientific notation
2.0188940 × 10^7
Engineering notation
2.0188940 × 10^6
Prime Factorization
2 × 2 × 5 × 23 × 43889
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10094470
Product of the distinct prime numbers
The prime factorization of 20188940 is 2 × 2 × 5 × 23 × 43889.
Since it has a total of 5 prime factors.
7 , 4 , 22 , 73 , 120 , 100 , 7882 , 2424 , 5386 , 2210 , 320675 , 675452 , 660020 , 7363674 , 92123838 , 45418861 , 391992981 , 734471237 , 3538915266 , 7027946192
n×2
40377880
n×3
60566820
n×4
80755760
n×5
100944700
n÷2
10094470
n÷3
6729646.6666667
n÷3
5047235
n÷5
4037788
n2
407593298323600
n3
8.2288766442573E+21
n4
1.6613229683831E+29
n5
3.3540349729309E+36
2 √n
4493.2104335319
3 √n
272.29385413432
4 √n
67.03141378139
5 √n
28.908310014343
1 , 2 , 4 , 5 , 10 , 20 , 23 , 46 , 92 , 115 , 230 , 460 , 43889 , 87778 , 175556 , 219445 , 438890 , 877780 , 1009447 , 2018894 , 4037788 , 5047235 , 10094470 , 20188940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20188939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20188940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20188940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000000111100001100
3
Ternary
1101222201000112
4
Quaternary
1031000330030
5
Quinary
20132021230
6
Senary
2000415152
8
Octal
115007414
10
Decimal
20188940
12
Duodecimal
69174b8
16
Hexadecimal
1340f0c
20
Vigesimal
663c70
36
Base36
c0pvw
md5
e8075121b8596f0c9e19177b42066ed4
sha1
576b51914a6cd07ce8deaa8650c62cf8e98212a0
sha256
671f07361cede8655181b2434c32b417e8e0baa44c878379b6600f88a296229f
sha512
7b72829ebeeb53da280d8e8825b8162b2469fab68dc6078950af2d2746b02dd5ea137bedccf275e9c4508ac164a54416a005314a8f9314676e1dcf9cb8236040
ripemd-160
4ab33a09a0682acef3361a3e1bd5677d43fcd9fd
Diameter
40377880
Circumference
126850851.17553
Area
1.2804921116659E+15
Volume
3.446903788386E+22
Surface area
5.1219684466634E+15
Circumference
126850851.17553
Perimeter
80755760
Area
407593298323600
Diagonal
28551472.757937
Surface area
2445559789941600
Volume
8.2288766442573E+21
Space diagonal
34968269.83096
Perimeter
60566820
Area
1.7649307538026E+14
Altitude
17484134.91548
Surface area
1.7649307538026E+14
Volume
9.6978241278365E+20
Height
9517157.5859789