20115087 is an odd 8-digits composite number following 20115086
and preceding 20115088 . In scientific notation, it is written as 2.0115087 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 12478752 positive integers (up to 20115087) that are relatively prime to 20115087.
20115087 has 8 divisors, whose sum is 21181440
The reverse of 20115087 is 78051102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred fifteen thousand eighty-seven
Scientific notation
2.0115087 × 10^7
Engineering notation
2.0115087 × 10^6
Prime Factorization
111 × 23 × 7879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20115087
Product of the distinct prime numbers
The prime factorization of 20115087 is 111 × 23 × 7879.
Since it has a total of 3 prime factors.
10 , 1 , 11 , 32 , 333 , 771 , 1801 , 3791 , 39739 , 78403 , 806735 , 831916 , 5765807 , 2247973 , 18314675 , 23377249 , 485415823 , 486734902 , 733274048 , 6734390866
n×2
40230174
n×3
60345261
n×4
80460348
n×5
100575435
n÷2
10057543.5
n÷3
6705029
n÷3
5028771.75
n÷5
4023017.4
n2
404616725017569
n3
8.1389006253835E+21
n4
1.6371469416394E+29
n5
3.2931353162861E+36
2 √n
4484.9846153582
3 √n
271.9614231262
4 √n
66.970027738969
5 √n
28.887129147456
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20115086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20115087 can be divided by 8 positive divisors.
The sum of these divisors (counting 20115087) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101110111010001111
3
Ternary
1101211221201020
4
Quaternary
1030232322033
5
Quinary
20122140322
6
Senary
1555045223
8
Octal
114567217
10
Decimal
20115087
12
Duodecimal
68a0813
16
Hexadecimal
132ee8f
20
Vigesimal
65e7e7
36
Base36
bz4wf
md5
28bd9b2a21ac078f761367496d2edcb1
sha1
e10ee09f46e98639690ef1d442d32f7262b125ee
sha256
41c31f38b49f4c0b32ac12b80c5b8ab25e4f72fc98b7e4e990599b7336403d9a
sha512
743e356f8ca03b75c859633ac708b22417602de9e3d12ff2baf0bf6138735a48cd59cc01164593c9accdf034073b00f9a71fade4dbc8c6b6641ac3c27f1b6843
ripemd-160
eb843db8c13dca0fd229a000f6d683bd6789f8cf
Diameter
40230174
Circumference
126386819.09104
Area
1.2711409308348E+15
Volume
3.4092147217336E+22
Surface area
5.084563723339E+15
Circumference
126386819.09104
Perimeter
80460348
Area
404616725017569
Diagonal
28447028.843715
Surface area
2427700350105414
Volume
8.1389006253835E+21
Space diagonal
34840352.682668
Perimeter
60345261
Area
1.7520418133064E+14
Altitude
17420176.341334
Surface area
1.7520418133064E+14
Volume
9.5917863726868E+20
Height
9482342.9479049