18966087 is an odd 8-digits composite number following 18966086
and preceding 18966088 . In scientific notation, it is written as 1.8966087 × 10^7.
The sum of its digits is 45. It has a total of 6 prime factors and 36 positive divisors.
There are 10456992 positive integers (up to 18966087) that are relatively prime to 18966087.
18966087 has 36 divisors, whose sum is 32989320
The reverse of 18966087 is 78066981
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million nine hundred sixty-six thousand eighty-seven
Scientific notation
1.8966087 × 10^7
Engineering notation
1.8966087 × 10^6
Prime Factorization
7 × 7 × 3 × 3 × 29 × 1483
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
903147
Product of the distinct prime numbers
The prime factorization of 18966087 is 7 × 7 × 3 × 3 × 29 × 1483.
Since it has a total of 6 prime factors.
2 , 10 , 4 , 5 , 646 , 296 , 5297 , 2936 , 91817 , 62293 , 351563 , 315972 , 2438610 , 4248362 , 51164930 , 68371445 , 680010467 , 366431792 , 9519743595 , 5613457421
n×2
37932174
n×3
56898261
n×4
75864348
n×5
94830435
n÷2
9483043.5
n÷3
6322029
n÷3
4741521.75
n÷5
3793217.4
n2
359712456091569
n3
6.8223377372164E+21
n4
1.2939305106743E+29
n5
2.4540798637403E+36
2 √n
4355.0071182491
3 √n
266.68130978618
4 √n
65.992477739884
5 √n
28.549305484367
1 , 3 , 7 , 9 , 21 , 29 , 49 , 63 , 87 , 147 , 203 , 261 , 441 , 609 , 1421 , 1483 , 1827 , 4263 , 4449 , 10381 , 12789 , 13347 , 31143 , 43007 , 72667 , 93429 , 129021 , 218001 , 301049 , 387063 , 654003 , 903147 , 2107343 , 2709441 , 6322029 , 18966087
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18966086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18966087 can be divided by 36 positive divisors.
The sum of these divisors (counting 18966087) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001000010110011001000111
3
Ternary
1022200120120200
4
Quaternary
1020112121013
5
Quinary
14323403322
6
Senary
1514301543
8
Octal
110263107
10
Decimal
18966087
12
Duodecimal
64278b3
16
Hexadecimal
1216647
20
Vigesimal
5iaf47
36
Base36
baibr
md5
50c5b700b3ea6b94d2013395c800a5b9
sha1
8d937cb92b63e82327f6a268cdd0363f524389e6
sha256
203ba8b8fdb84a974bf63baefb97f9e76c9b7525b8d5970a25a0a46849a7748d
sha512
c710a2e33518e5b033c561a2c329ad2c80de81a575162c7add123aa8eb4896a05d7e406ab337b054c74eea408b7ae0a49511d5c85e38f521b7a6621979d38710
ripemd-160
a08e5c7c647f9365f82f8503a3804b3dbf3ffc41
Diameter
37932174
Circumference
119167439.17309
Area
1.130070009462E+15
Volume
2.8577341487397E+22
Surface area
4.5202800378481E+15
Circumference
119167439.17309
Perimeter
75864348
Area
359712456091569
Diagonal
26822097.460548
Surface area
2158274736549414
Volume
6.8223377372164E+21
Space diagonal
32850226.304772
Perimeter
56898261
Area
1.557600625165E+14
Altitude
16425113.152386
Surface area
1.557600625165E+14
Volume
8.0402021292176E+20
Height
8940699.153516