18093985 is an odd 8-digits composite number following 18093984
and preceding 18093986 . In scientific notation, it is written as 1.8093985 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 10378368 positive integers (up to 18093985) that are relatively prime to 18093985.
18093985 has 16 divisors, whose sum is 23240448
The reverse of 18093985 is 58939081
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million ninety-three thousand nine hundred eighty-five
Scientific notation
1.8093985 × 10^7
Engineering notation
1.8093985 × 10^6
Prime Factorization
8645 × 7 × 13 × 23
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18093985
Product of the distinct prime numbers
The prime factorization of 18093985 is 8645 × 7 × 13 × 23.
Since it has a total of 4 prime factors.
10 , 3 , 74 , 82 , 947 , 483 , 149 , 3176 , 64796 , 9290 , 564382 , 526788 , 6306231 , 801097 , 85913916 , 36479454 , 201239211 , 747284625 , 1016489269 , 9520260637
n×2
36187970
n×3
54281955
n×4
72375940
n×5
90469925
n÷2
9046992.5
n÷3
6031328.3333333
n÷3
4523496.25
n÷5
3618797
n2
327392293180225
n3
5.9238312419186E+21
n4
1.0718571363381E+29
n5
1.9394166947044E+36
2 √n
4253.7025048774
3 √n
262.52947817102
4 √n
65.220414786149
5 √n
28.281786874074
1 , 7 , 13 , 23 , 91 , 161 , 299 , 2093 , 8645 , 60515 , 112385 , 198835 , 786695 , 1391845 , 2584855 , 18093985
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
-18093984
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 18093985 can be divided by 16 positive divisors.
The sum of these divisors (counting 18093985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101000001011110100001
3
Ternary
1021001021021121
4
Quaternary
1011001132201
5
Quinary
14113001420
6
Senary
1443452241
8
Octal
105013641
10
Decimal
18093985
12
Duodecimal
6087081
16
Hexadecimal
11417a1
20
Vigesimal
5d1ej5
36
Base36
artep
md5
b38189abcc5e2f2c6b0ad049615c1a86
sha1
5b82ee5b4ed504a3d70fe7f17685655928abdc48
sha256
e4e60433298f4dca6175a100c34b95a4911578b99b6db2e6fce4a8d576f83d63
sha512
cb62328ab198e8103fe8784f2d738956d65fc8a9cef6dd41ae3272216ca64e7041d60d0cc4a0e3016e67687680075b2ebb88d11704012e2166c1f0066ba85991
ripemd-160
eb38d4e460099bbb11bec44e361318404b887d0a
Diameter
36187970
Circumference
113687860.70033
Area
1.0285332230969E+15
Volume
2.4813686280956E+22
Surface area
4.1141328923876E+15
Circumference
113687860.70033
Perimeter
72375940
Area
327392293180225
Diagonal
25588758.984375
Surface area
1964353759081350
Volume
5.9238312419186E+21
Space diagonal
31339701.331389
Perimeter
54281955
Area
1.4176502144866E+14
Altitude
15669850.665695
Surface area
1.4176502144866E+14
Volume
6.9813020696089E+20
Height
8529586.3281251