18288081 is an odd 8-digits composite number following 18288080
and preceding 18288082 . In scientific notation, it is written as 1.8288081 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 10406880 positive integers (up to 18288081) that are relatively prime to 18288081.
18288081 has 16 divisors, whose sum is 25651648
The reverse of 18288081 is 18088281
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million two hundred eighty-eight thousand eighty-one
Scientific notation
1.8288081 × 10^7
Engineering notation
1.8288081 × 10^6
Prime Factorization
21 × 3 × 331 × 877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18288081
Product of the distinct prime numbers
The prime factorization of 18288081 is 21 × 3 × 331 × 877.
Since it has a total of 4 prime factors.
2 , 1 , 74 , 63 , 383 , 332 , 813 , 6289 , 70223 , 63369 , 209251 , 23767 , 4844042 , 3008654 , 47309127 , 55793511 , 703195366 , 286016189 , 9965441648 , 3550855726
n×2
36576162
n×3
54864243
n×4
73152324
n×5
91440405
n÷2
9144040.5
n÷3
6096027
n÷3
4572020.25
n÷5
3657616.2
n2
334453906662561
n3
6.1165201358114E+21
n4
1.1185941568185E+29
n5
2.0456940546023E+36
2 √n
4276.4565939572
3 √n
263.46486814783
4 √n
65.394622056842
5 √n
28.342204500327
1 , 3 , 21 , 63 , 331 , 877 , 993 , 2631 , 6951 , 18417 , 20853 , 55251 , 290287 , 870861 , 6096027 , 18288081
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
-18288080
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 18288081 can be divided by 16 positive divisors.
The sum of these divisors (counting 18288081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101110000110111010001
3
Ternary
1021102010112100
4
Quaternary
1011300313101
5
Quinary
14140204311
6
Senary
1451551013
8
Octal
105606721
10
Decimal
18288081
12
Duodecimal
615b469
16
Hexadecimal
1170dd1
20
Vigesimal
5e6041
36
Base36
avz69
md5
740bce0d7ec8d38c091ccb30d4312d12
sha1
f622400adf425a69128c82ccf8e26d4c74320ab6
sha256
f964db34d01939e880a078f2ab6537beaae48a7467ad751c99d52ff00f4f9009
sha512
5bc1b4a2e0a0718bd447115d0968210e9d70f600161053ee47d0f2e92c4cc08adc9887434f9f8fa560306739b1c292ccc61021fece8e0659cf944f75f4f26010
ripemd-160
5fbda3f7fd3728f5abe56426945bedb3071fdac2
Diameter
36576162
Circumference
114907401.83571
Area
1.0507179361355E+15
Volume
2.5620819632265E+22
Surface area
4.202871744542E+15
Circumference
114907401.83571
Perimeter
73152324
Area
334453906662561
Diagonal
25863252.179978
Surface area
2006723439975366
Volume
6.1165201358114E+21
Space diagonal
31675885.464935
Perimeter
54864243
Area
1.4482278978236E+14
Altitude
15837942.732468
Surface area
1.4482278978236E+14
Volume
7.2083881088271E+20
Height
8621084.0599926