20186390 is an even 8-digits composite number following 20186389
and preceding 20186391 . In scientific notation, it is written as 2.0186390 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 6889824 positive integers (up to 20186390) that are relatively prime to 20186390.
20186390 has 16 divisors, whose sum is 34734336
The reverse of 20186390 is 09368102
Previous prime number is 5095
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred eighty-six thousand three hundred ninety
Scientific notation
2.0186390 × 10^7
Engineering notation
2.0186390 × 10^6
Prime Factorization
2 × 7 × 5095 × 283
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20186390
Product of the distinct prime numbers
The prime factorization of 20186390 is 2 × 7 × 5095 × 283.
Since it has a total of 4 prime factors.
6 , 9 , 67 , 21 , 383 , 926 , 6828 , 1123 , 93986 , 23052 , 999929 , 579407 , 9765694 , 6532993 , 77400144 , 68374782 , 919083750 , 392408537 , 6608792303 , 355846728
n×2
40372780
n×3
60559170
n×4
80745560
n×5
100931950
n÷2
10093195
n÷3
6728796.6666667
n÷3
5046597.5
n÷5
4037278
n2
407490341232100
n3
8.2257589493443E+21
n4
1.6604837819745E+29
n5
3.3519173211613E+36
2 √n
4492.9266631006
3 √n
272.28238946498
4 √n
67.029297050622
5 √n
28.907579714336
1 , 2 , 7 , 14 , 283 , 566 , 1981 , 3962 , 5095 , 10190 , 35665 , 71330 , 1441885 , 2883770 , 10093195 , 20186390
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
-20186389
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 20186390 can be divided by 16 positive divisors.
The sum of these divisors (counting 20186390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000010100010110
3
Ternary
1101222120112002
4
Quaternary
1031000110112
5
Quinary
20131431030
6
Senary
2000355302
8
Octal
115002426
10
Decimal
20186390
12
Duodecimal
6915b32
16
Hexadecimal
1340516
20
Vigesimal
6635ja
36
Base36
c0nx2
md5
8839dd30647fa0d2af810e68632c5c95
sha1
924ee9980c82f0367ded816f2312b990e7e1d7c5
sha256
c45c23bfea8d11e53b5c9188852d865a5d1803100bf2e525e7b59562a663f559
sha512
7844e3a6b7c1103c9adef48ac788e0f6cc38159c8fb142ec1dd530e32e243e7f852b5ac332703e0cd38d1ed20c49433bc980344cb240011f3470604860ebe550
ripemd-160
1c0ef4acc32a73ad5c156b2754373521f94acfa3
Diameter
40372780
Circumference
126834829.053
Area
1.2801686624236E+15
Volume
3.4455978513947E+22
Surface area
5.1206746496943E+15
Circumference
126834829.053
Perimeter
80745560
Area
407490341232100
Diagonal
28547866.513353
Surface area
2444942047392600
Volume
8.2257589493443E+21
Space diagonal
34963853.1014
Perimeter
60559170
Area
1.7644849365189E+14
Altitude
17481926.5507
Surface area
1.7644849365189E+14
Volume
9.6941498891454E+20
Height
9515955.5044509