18992009 is an odd 8-digits composite number following 18992008
and preceding 18992010 . In scientific notation, it is written as 1.8992009 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 17874816 positive integers (up to 18992009) that are relatively prime to 18992009.
18992009 has 4 divisors, whose sum is 20109204
The reverse of 18992009 is 90029981
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million nine hundred ninety-two thousand nine
Scientific notation
1.8992009 × 10^7
Engineering notation
1.8992009 × 10^6
Prime Factorization
17 × 1117177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18992009
Product of the distinct prime numbers
The prime factorization of 18992009 is 17 × 1117177.
Since it has a total of 2 prime factors.
8 , 9 , 15 , 9 , 987 , 137 , 4374 , 813 , 98066 , 88425 , 411616 , 506189 , 2883591 , 3964040 , 5746582 , 29797045 , 143878480 , 647032426 , 5519150061 , 9819817693
n×2
37984018
n×3
56976027
n×4
75968036
n×5
94960045
n÷2
9496004.5
n÷3
6330669.6666667
n÷3
4748002.25
n÷5
3798401.8
n2
360696405856081
n3
6.8503493862863E+21
n4
1.3010189719749E+29
n5
2.4708964024919E+36
2 √n
4357.9822165768
3 √n
266.80275050792
4 √n
66.015015084273
5 √n
28.557105204346
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18992008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18992009 can be divided by 4 positive divisors.
The sum of these divisors (counting 18992009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000011100101110001001
3
Ternary
1022201220010202
4
Quaternary
1020130232021
5
Quinary
14330221014
6
Senary
1515021545
8
Octal
110345611
10
Decimal
18992009
12
Duodecimal
643a8b5
16
Hexadecimal
121cb89
20
Vigesimal
5ie009
36
Base36
bb2bt
md5
d033a135665caff00c2fdc7b328f5adb
sha1
1ae7bb8f0a287a14fa1c6b588be46e30d6c5522c
sha256
61c5e490e692d91c2a4e09741c0a0291e620481ee5660b6465fb5e898a4df078
sha512
c7cc9679e46109636896f44ccee9f034049df59242f0f6e185e43d53d878541afd2882d56bcbc609f33b945f7749632ffc46039ad23a7cbf2489e1d89ef7b889
ripemd-160
0185f5f678ff2c4baed26fe243ff4bdb168df479
Diameter
37984018
Circumference
119330311.90262
Area
1.1331611788137E+15
Volume
2.8694676408641E+22
Surface area
4.5326447152548E+15
Circumference
119330311.90262
Perimeter
75968036
Area
360696405856081
Diagonal
26858756.704512
Surface area
2164178435136486
Volume
6.8503493862863E+21
Space diagonal
32895124.525805
Perimeter
56976027
Area
1.5618612526255E+14
Altitude
16447562.262903
Surface area
1.5618612526255E+14
Volume
8.0732141742336E+20
Height
8952918.901504