18085440 is an even 8-digits composite number following 18085439
and preceding 18085441 . In scientific notation, it is written as 1.8085440 × 10^7.
The sum of its digits is 30. It has a total of 8 prime factors and 28 positive divisors.
There are 4822528 positive integers (up to 18085440) that are relatively prime to 18085440.
18085440 has 28 divisors, whose sum is 38282880
The reverse of 18085440 is 04458081
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million eighty-five thousand four hundred forty
Scientific notation
1.8085440 × 10^7
Engineering notation
1.8085440 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 15 × 18839
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
565170
Product of the distinct prime numbers
The prime factorization of 18085440 is 2 × 2 × 2 × 2 × 2 × 2 × 15 × 18839.
Since it has a total of 8 prime factors.
2 , 2 , 13 , 68 , 477 , 409 , 2352 , 3751 , 67510 , 56593 , 259613 , 8125 , 7297515 , 7767024 , 70931901 , 62227769 , 154199848 , 973359483 , 154272861 , 4809917853
n×2
36170880
n×3
54256320
n×4
72341760
n×5
90427200
n÷2
9042720
n÷3
6028480
n÷3
4521360
n÷5
3617088
n2
327083139993600
n3
5.9154425033659E+21
n4
1.0698338046807E+29
n5
1.9348415084525E+36
2 √n
4252.6979671733
3 √n
262.48814458929
4 √n
65.212713232723
5 √n
28.279115118422
1 , 2 , 4 , 8 , 15 , 16 , 30 , 32 , 60 , 64 , 120 , 240 , 480 , 960 , 18839 , 37678 , 75356 , 150712 , 282585 , 301424 , 565170 , 602848 , 1130340 , 1205696 , 2260680 , 4521360 , 9042720 , 18085440
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18085439
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18085440 can be divided by 28 positive divisors.
The sum of these divisors (counting 18085440) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1000100111111011001000000
3
Ternary
1021000211120010
4
Quaternary
1010333121000
5
Quinary
14112213230
6
Senary
1443344520
8
Octal
104773100
10
Decimal
18085440
12
Duodecimal
6082140
16
Hexadecimal
113f640
20
Vigesimal
5d0dc0
36
Base36
armtc
md5
8cd4173d21e7615da544000fd7a73d1e
sha1
0a3425ec04f1cf6163a9bab2f6d9a1e8e15cfd4a
sha256
41fecd54e731405f5f9ce626ecaa25d5052de727d2397837d9f523f19081f53d
sha512
c433e57535141b06d4715451793c36a1ae515d5a2bcee6ab3e742ffb9b31a802ee108468d135e47a28dcc634f23524008c93f1f7af427f6412acbbef0973f302
ripemd-160
e9e363cd57fb0940d4f183613ea218897489f575
Diameter
36170880
Circumference
113634170.88188
Area
1.027561989717E+15
Volume
2.4778547615076E+22
Surface area
4.1102479588679E+15
Circumference
113634170.88188
Perimeter
72341760
Area
327083139993600
Diagonal
25576674.529485
Surface area
1962498839961600
Volume
5.9154425033659E+21
Space diagonal
31324900.957238
Perimeter
54256320
Area
1.4163115419202E+14
Altitude
15662450.478619
Surface area
1.4163115419202E+14
Volume
6.9714158464152E+20
Height
8525558.176495