18884081 is an odd 8-digits composite number following 18884080
and preceding 18884082 . In scientific notation, it is written as 1.8884081 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 16864848 positive integers (up to 18884081) that are relatively prime to 18884081.
18884081 has 16 divisors, whose sum is 21043200
The reverse of 18884081 is 18048881
Previous prime number is 547
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million eight hundred eighty-four thousand eighty-one
Scientific notation
1.8884081 × 10^7
Engineering notation
1.8884081 × 10^6
Prime Factorization
23 × 19 × 547 × 79
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18884081
Product of the distinct prime numbers
The prime factorization of 18884081 is 23 × 19 × 547 × 79.
Since it has a total of 4 prime factors.
10 , 4 , 39 , 56 , 875 , 890 , 6939 , 9611 , 11730 , 76777 , 404181 , 675884 , 2386103 , 7840411 , 85070535 , 86340465 , 964308338 , 887232149 , 2097936879 , 3945517638
n×2
37768162
n×3
56652243
n×4
75536324
n×5
94420405
n÷2
9442040.5
n÷3
6294693.6666667
n÷3
4721020.25
n÷5
3776816.2
n2
356608515214561
n3
6.7342240866015E+21
n4
1.2716963312353E+29
n5
2.4014816526451E+36
2 √n
4345.5817792328
3 √n
266.29639357012
4 √n
65.921026836911
5 √n
28.524574246124
1 , 19 , 23 , 79 , 437 , 547 , 1501 , 1817 , 10393 , 12581 , 34523 , 43213 , 239039 , 821047 , 993899 , 18884081
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
-18884080
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 18884081 can be divided by 16 positive divisors.
The sum of these divisors (counting 18884081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000000010010111110001
3
Ternary
1022112102002102
4
Quaternary
1020002113301
5
Quinary
14313242311
6
Senary
1512430145
8
Octal
110022761
10
Decimal
18884081
12
Duodecimal
63a8355
16
Hexadecimal
12025f1
20
Vigesimal
5i0a41
36
Base36
b8r1t
md5
192576226ee0fbd54f39a3bb90c47b88
sha1
22b3f1335b03639da28f4728a738d6e4d248e6ab
sha256
5cdd595e089579d5d755d4bd75620c401e609eafa1c7eeaaa0377ce571f1b4af
sha512
873df7f3e74c8dc09e93d17bf4e4fdb60930ad2c538ee0ba22950cd2fc8429c16cf0f229ca899bd94f2004a75128c43d736ea36e487c22ad9d4736fdbd622886
ripemd-160
ab53f90c9ceee73b1d87248cf5c66703a700e6e7
Diameter
37768162
Circumference
118652180.27879
Area
1.1203186916056E+15
Volume
2.8208251890793E+22
Surface area
4.4812747664225E+15
Circumference
118652180.27879
Perimeter
75536324
Area
356608515214561
Diagonal
26706123.463152
Surface area
2139651091287366
Volume
6.7342240866015E+21
Space diagonal
32708187.746246
Perimeter
56652243
Area
1.5441601669083E+14
Altitude
16354093.873123
Surface area
1.5441601669083E+14
Volume
7.9363591961095E+20
Height
8902041.154384