20123986 is an even 8-digits composite number following 20123985
and preceding 20123987 . In scientific notation, it is written as 2.0123986 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9781200 positive integers (up to 20123986) that are relatively prime to 20123986.
20123986 has 16 divisors, whose sum is 31040640
The reverse of 20123986 is 68932102
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred twenty-three thousand nine hundred eighty-six
Scientific notation
2.0123986 × 10^7
Engineering notation
2.0123986 × 10^6
Prime Factorization
2 × 67 × 79 × 1901
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20123986
Product of the distinct prime numbers
The prime factorization of 20123986 is 2 × 67 × 79 × 1901.
Since it has a total of 4 prime factors.
4 , 10 , 18 , 28 , 918 , 953 , 9437 , 4980 , 29005 , 22454 , 342610 , 355406 , 5593359 , 1312553 , 83286915 , 51214973 , 821227281 , 190095993 , 686566063 , 4555502707
n×2
40247972
n×3
60371958
n×4
80495944
n×5
100619930
n÷2
10061993
n÷3
6707995.3333333
n÷3
5030996.5
n÷5
4024797.2
n2
404974812528196
n3
8.14970745767E+21
n4
1.6400459878225E+29
n5
3.3004262498296E+36
2 √n
4485.9765937865
3 √n
272.00152284326
4 √n
66.977433466702
5 √n
28.889684653016
1 , 2 , 67 , 79 , 134 , 158 , 1901 , 3802 , 5293 , 10586 , 127367 , 150179 , 254734 , 300358 , 10061993 , 20123986
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
-20123985
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 20123986 can be divided by 16 positive divisors.
The sum of these divisors (counting 20123986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000101010010
3
Ternary
1101212101220211
4
Quaternary
1030301011102
5
Quinary
20122431421
6
Senary
1555154334
8
Octal
114610522
10
Decimal
20123986
12
Duodecimal
68a59aa
16
Hexadecimal
1331152
20
Vigesimal
65f9j6
36
Base36
bzbrm
md5
d6d92c81ebbc2b0876c76d6df054c1e8
sha1
619d8a320b72a4aace0ffb4508ef7d17f09a4151
sha256
fcd518610e792a54a4cb6f938842fe80d0b7bfe189c14e61e02218886a8db22c
sha512
39e4687cc06d1560efa4188988c24e6d03efce746ca235537b7d74cd7689656db7cfa9345287107a54f6c6cf972af1c4c04d4952b748b41c57b56151694c8416
ripemd-160
7c8c4005979483d7c1a513b7d3411f1284f9f3a2
Diameter
40247972
Circumference
126442733.15709
Area
1.2722658959275E+15
Volume
3.4137414770563E+22
Surface area
5.0890635837099E+15
Circumference
126442733.15709
Perimeter
80495944
Area
404974812528196
Diagonal
28459613.930206
Surface area
2429848875169176
Volume
8.14970745767E+21
Space diagonal
34855766.202805
Perimeter
60371958
Area
1.7535923777113E+14
Altitude
17427883.101402
Surface area
1.7535923777113E+14
Volume
9.6045223466751E+20
Height
9486537.9767354