20666087 is an odd 8-digits composite number following 20666086
and preceding 20666088 . In scientific notation, it is written as 2.0666087 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 18566112 positive integers (up to 20666087) that are relatively prime to 20666087.
20666087 has 16 divisors, whose sum is 22861440
The reverse of 20666087 is 78066602
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred sixty-six thousand eighty-seven
Scientific notation
2.0666087 × 10^7
Engineering notation
2.0666087 × 10^6
Prime Factorization
83 × 13 × 107 × 179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20666087
Product of the distinct prime numbers
The prime factorization of 20666087 is 83 × 13 × 107 × 179.
Since it has a total of 4 prime factors.
10 , 1 , 36 , 64 , 838 , 191 , 5276 , 348 , 16270 , 62546 , 536275 , 67805 , 8539722 , 9567740 , 20446762 , 20472515 , 838617836 , 274803145 , 3619471871 , 5749694498
n×2
41332174
n×3
61998261
n×4
82664348
n×5
103330435
n÷2
10333043.5
n÷3
6888695.6666667
n÷3
5166521.75
n÷5
4133217.4
n2
427087151891569
n3
8.8262202375734E+21
n4
1.8240343531085E+29
n5
3.7695652632329E+36
2 √n
4545.9968103816
3 √n
274.42231127392
4 √n
67.424007670722
5 √n
29.04368050597
1 , 13 , 83 , 107 , 179 , 1079 , 1391 , 2327 , 8881 , 14857 , 19153 , 115453 , 193141 , 248989 , 1589699 , 20666087
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
-20666086
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 20666087 can be divided by 16 positive divisors.
The sum of these divisors (counting 20666087) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110110101011011100111
3
Ternary
1102212221112122
4
Quaternary
1032311123213
5
Quinary
20242303322
6
Senary
2014540155
8
Octal
116653347
10
Decimal
20666087
12
Duodecimal
6b0765b
16
Hexadecimal
13b56e7
20
Vigesimal
693547
36
Base36
cay1z
md5
12a197ce19db863123d3ecb7c5a6eb70
sha1
2edb686665c5f2feabcfce4e68554b890784696c
sha256
a32d4d3c9c9cbf056b25c7c995d06ebce4675a8b39c6507ffd4eea6d4bbcb74d
sha512
74b47ed8ee3865eb0e2ea07537ae9e9cb0d7ce41cb09b393b4fdbeb40bf8c25e90704220af593cc60d839edec7bd76994d1ca2084687198f3a8a789afefac883
ripemd-160
a39ef6c35bb168205292071fd6f4974c75477271
Diameter
41332174
Circumference
129848854.1953
Area
1.3417338588251E+15
Volume
3.6971184876435E+22
Surface area
5.3669354353006E+15
Circumference
129848854.1953
Perimeter
82664348
Area
427087151891569
Diagonal
29226260.516582
Surface area
2562522911349414
Volume
8.8262202375734E+21
Space diagonal
35794712.677639
Perimeter
61998261
Area
1.8493416158402E+14
Altitude
17897356.338819
Surface area
1.8493416158402E+14
Volume
1.0401800303723E+21
Height
9742086.8388608