18081608 is an even 8-digits composite number following 18081607
and preceding 18081609 . In scientific notation, it is written as 1.8081608 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 8508928 positive integers (up to 18081608) that are relatively prime to 18081608.
18081608 has 16 divisors, whose sum is 35897580
The reverse of 18081608 is 80618081
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighteen million eighty-one thousand six hundred eight
Scientific notation
1.8081608 × 10^7
Engineering notation
1.8081608 × 10^6
Prime Factorization
2 × 2 × 2 × 17 × 132953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4520402
Product of the distinct prime numbers
The prime factorization of 18081608 is 2 × 2 × 2 × 17 × 132953.
Since it has a total of 5 prime factors.
2 , 5 , 77 , 25 , 16 , 11 , 3601 , 1494 , 40451 , 2196 , 674610 , 362740 , 9892082 , 1998151 , 72868624 , 41950465 , 931635993 , 686485200 , 8584204723 , 9551760934
n×2
36163216
n×3
54244824
n×4
72326432
n×5
90408040
n÷2
9040804
n÷3
6027202.6666667
n÷3
4520402
n÷5
3616321.6
n2
326944547865664
n3
5.9116831522442E+21
n4
1.0689273737908E+29
n5
1.9327925753355E+36
2 √n
4252.2474057844
3 √n
262.46960434145
4 √n
65.209258589439
5 √n
28.277916643243
1 , 2 , 4 , 8 , 17 , 34 , 68 , 136 , 132953 , 265906 , 531812 , 1063624 , 2260201 , 4520402 , 9040804 , 18081608
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
-18081607
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 18081608 can be divided by 16 positive divisors.
The sum of these divisors (counting 18081608) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000100111110011101001000
3
Ternary
1021000122022012
4
Quaternary
1010332131020
5
Quinary
14112102413
6
Senary
1443315052
8
Octal
104763510
10
Decimal
18081608
12
Duodecimal
607ba88
16
Hexadecimal
113e748
20
Vigesimal
5d0408
36
Base36
arjuw
md5
62849c55d5545b243423494b8ddc816d
sha1
5002b277ac34195c827863732d5b17f368feb002
sha256
55d6ff21cca4c728fb051e6d16ca534ec2b8d1b6241aa0bca27627b8f5e219d7
sha512
0eb43c3022d3dacd0ed6868eba759a7d99220d7b97729423b6076d3818252e2a6d903f416a21ef7ada6c8ae2be26891f361be073cbc87df4dd1c4c03dbaa428e
ripemd-160
edb283e100e77f03176106c49b69d0a1d720c8a7
Diameter
36163216
Circumference
113610093.71578
Area
1.027126589706E+15
Volume
2.4762800481921E+22
Surface area
4.108506358824E+15
Circumference
113610093.71578
Perimeter
72326432
Area
326944547865664
Diagonal
25571255.263114
Surface area
1961667287193984
Volume
5.9116831522442E+21
Space diagonal
31318263.738544
Perimeter
54244824
Area
1.4157114204024E+14
Altitude
15659131.869272
Surface area
1.4157114204024E+14
Volume
6.9669854086302E+20
Height
8523751.7543713