18042885 is an odd 8-digits composite number following 18042884
and preceding 18042886 . In scientific notation, it is written as 1.8042885 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 8087040 positive integers (up to 18042885) that are relatively prime to 18042885.
18042885 has 16 divisors, whose sum is 21181184
The reverse of 18042885 is 58824081
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million forty-two thousand eight hundred eighty-five
Scientific notation
1.8042885 × 10^7
Engineering notation
1.8042885 × 10^6
Prime Factorization
135 × 7 × 61 × 313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18042885
Product of the distinct prime numbers
The prime factorization of 18042885 is 135 × 7 × 61 × 313.
Since it has a total of 4 prime factors.
7 , 2 , 44 , 89 , 55 , 477 , 590 , 6019 , 20940 , 95330 , 721684 , 820412 , 5772157 , 915954 , 92290351 , 36274602 , 496194562 , 689615891 , 1502168593 , 5692292150
n×2
36085770
n×3
54128655
n×4
72171540
n×5
90214425
n÷2
9021442.5
n÷3
6014295
n÷3
4510721.25
n÷5
3608577
n2
325545699123225
n3
5.8737836115249E+21
n4
1.0598000221763E+29
n5
1.9121849923124E+36
2 √n
4247.6917261025
3 √n
262.2821048947
4 √n
65.174317994917
5 √n
28.265794436135
1 , 7 , 61 , 135 , 313 , 427 , 945 , 2191 , 8235 , 19093 , 42255 , 57645 , 133651 , 295785 , 2577555 , 18042885
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
-18042884
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 18042885 can be divided by 16 positive divisors.
The sum of these divisors (counting 18042885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000100110101000000000101
3
Ternary
1020221200012000
4
Quaternary
1010311000011
5
Quinary
14104333020
6
Senary
1442415513
8
Octal
104650005
10
Decimal
18042885
12
Duodecimal
6061599
16
Hexadecimal
1135005
20
Vigesimal
5cf745
36
Base36
aqpz9
md5
ab13a5899e3564f7aa8bcc1f6f22b54d
sha1
a0a32def0f040d5cc6d0912cc5ce19f59c2f9797
sha256
9520e87e3fe3672a6bc20ef5ddf8775bc0812f960d6433e62605114c7528ad2c
sha512
d0dd07bb7663cde35e3da7d084973c8b9fb3e2d330288bde3afc2c6b64dd12952f0d673b7b8c4b5176fb51d1548e2da40a911ad749e79aa034f018975365cedf
ripemd-160
ee591417b23aa285d3f3f415c1cb7e1418b0532a
Diameter
36085770
Circumference
113366789.93113
Area
1.0227319767733E+15
Volume
2.4604047256991E+22
Surface area
4.0909279070931E+15
Circumference
113366789.93113
Perimeter
72171540
Area
325545699123225
Diagonal
25516492.671338
Surface area
1953274194739350
Volume
5.8737836115249E+21
Space diagonal
31251193.535122
Perimeter
54128655
Area
1.4096542276674E+14
Altitude
15625596.767561
Surface area
1.4096542276674E+14
Volume
6.9223203715528E+20
Height
8505497.5571127