18085945 is an odd 8-digits composite number following 18085944
and preceding 18085946 . In scientific notation, it is written as 1.8085945 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 14453040 positive integers (up to 18085945) that are relatively prime to 18085945.
18085945 has 8 divisors, whose sum is 21726720
The reverse of 18085945 is 54958081
Previous prime number is 2459
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million eighty-five thousand nine hundred forty-five
Scientific notation
1.8085945 × 10^7
Engineering notation
1.8085945 × 10^6
Prime Factorization
5 × 2459 × 1471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18085945
Product of the distinct prime numbers
The prime factorization of 18085945 is 5 × 2459 × 1471.
Since it has a total of 3 prime factors.
8 , 10 , 69 , 34 , 958 , 212 , 6026 , 2027 , 55350 , 19166 , 393616 , 253644 , 7143415 , 7428749 , 56635218 , 10447675 , 429712092 , 920761029 , 6091549021 , 3637681891
n×2
36171890
n×3
54257835
n×4
72343780
n×5
90429725
n÷2
9042972.5
n÷3
6028648.3333333
n÷3
4521486.25
n÷5
3617189
n2
327101406543025
n3
5.9159380481598E+21
n4
1.0699533016243E+29
n5
1.9351116565745E+36
2 √n
4252.7573408319
3 √n
262.49058771996
4 √n
65.213168461837
5 √n
28.279273044285
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18085944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18085945 can be divided by 8 positive divisors.
The sum of these divisors (counting 18085945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000100111111100000111001
3
Ternary
1021000212020211
4
Quaternary
1010333200321
5
Quinary
14112222240
6
Senary
1443351121
8
Octal
104774071
10
Decimal
18085945
12
Duodecimal
60824a1
16
Hexadecimal
113f839
20
Vigesimal
5d0eh5
36
Base36
arn7d
md5
ed09a8660902ee3f1217dfdabc53b2e7
sha1
47f26af9f53ebbe7092f940edeaaf18871a5b271
sha256
e2b94d608b3df28a36922875311672f31303be485fb73edf97d1b766fcd851ad
sha512
99254491bad33b7d06cb5eeffb7b6cadf0d0677bd26dc236b9540c6fd15084bedc5f28459978a65fefd451b56ad6e955fab3e80ec57baacbf6fddceff996208e
ripemd-160
bc68376a9928befa87ce76683d2c4cb5606ae78d
Diameter
36171890
Circumference
113637343.89046
Area
1.0276193757745E+15
Volume
2.4780623348255E+22
Surface area
4.1104775030978E+15
Circumference
113637343.89046
Perimeter
72343780
Area
327101406543025
Diagonal
25577388.707334
Surface area
1962608439258150
Volume
5.9159380481598E+21
Space diagonal
31325775.642896
Perimeter
54257835
Area
1.4163906383994E+14
Altitude
15662887.821448
Surface area
1.4163906383994E+14
Volume
6.9719998515555E+20
Height
8525796.235778