20085986 is an even 8-digits composite number following 20085985
and preceding 20085987 . In scientific notation, it is written as 2.0085986 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 10042992 positive integers (up to 20085986) that are relatively prime to 20085986.
20085986 has 4 divisors, whose sum is 30128982
The reverse of 20085986 is 68958002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million eighty-five thousand nine hundred eighty-six
Scientific notation
2.0085986 × 10^7
Engineering notation
2.0085986 × 10^6
Prime Factorization
2 × 10042993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20085986
Product of the distinct prime numbers
The prime factorization of 20085986 is 2 × 10042993.
Since it has a total of 2 prime factors.
3 , 4 , 10 , 66 , 876 , 55 , 7958 , 1062 , 41176 , 20168 , 625230 , 613343 , 5907167 , 1902925 , 26209776 , 27317333 , 862936938 , 446504685 , 6506441265 , 8833581076
n×2
40171972
n×3
60257958
n×4
80343944
n×5
100429930
n÷2
10042993
n÷3
6695328.6666667
n÷3
5021496.5
n÷5
4017197.2
n2
403446833592196
n3
8.1036274512772E+21
n4
1.6276934753557E+29
n5
3.2693828358286E+36
2 √n
4481.7391713486
3 √n
271.83020869539
4 √n
66.945792783031
5 √n
28.87876595976
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
-20085985
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 20085986 can be divided by 4 positive divisors.
The sum of these divisors (counting 20085986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100111110011100010
3
Ternary
1101210110210102
4
Quaternary
1030213303202
5
Quinary
20120222421
6
Senary
1554302402
8
Octal
114476342
10
Decimal
20085986
12
Duodecimal
6887a02
16
Hexadecimal
1327ce2
20
Vigesimal
65aej6
36
Base36
byig2
md5
ba0bf86600e0ca79f3556f01527ef10c
sha1
c9b92f83e3aa29e6381e22b809b60d4293ceb3f3
sha256
012882e8f8e26ae69442c59d54df9c746cfd9c00e23dc9c3db3b3aeeb1e636d4
sha512
31c6aec6d32d4cdcdab995d38f5e86a0583efd924b1bbd04bb1c5d2d2b9d301e6033b0d7e7f22b09c0b3902c94f1efbccbe8869b667ca7d76b9614e5e181c602
ripemd-160
8e5846ac48f0387ce6e35d21c375715680f3d7fc
Diameter
40171972
Circumference
126203972.11541
Area
1.2674656085273E+15
Volume
3.3944395291148E+22
Surface area
5.0698624341092E+15
Circumference
126203972.11541
Perimeter
80343944
Area
403446833592196
Diagonal
28405873.814836
Surface area
2420681001553176
Volume
8.1036274512772E+21
Space diagonal
34789948.272117
Perimeter
60257958
Area
1.7469760348362E+14
Altitude
17394974.136059
Surface area
1.7469760348362E+14
Volume
9.5502165383459E+20
Height
9468624.6049454