18088940 is an even 8-digits composite number following 18088939
and preceding 18088941 . In scientific notation, it is written as 1.8088940 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 7116480 positive integers (up to 18088940) that are relatively prime to 18088940.
18088940 has 24 divisors, whose sum is 38612112
The reverse of 18088940 is 04988081
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million eighty-eight thousand nine hundred forty
Scientific notation
1.8088940 × 10^7
Engineering notation
1.8088940 × 10^6
Prime Factorization
2 × 2 × 5 × 61 × 14827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9044470
Product of the distinct prime numbers
The prime factorization of 18088940 is 2 × 2 × 5 × 61 × 14827.
Since it has a total of 5 prime factors.
5 , 4 , 61 , 59 , 423 , 469 , 4239 , 6430 , 8987 , 25499 , 853482 , 613456 , 4085975 , 4035975 , 19145322 , 33557496 , 202515091 , 638348933 , 4736849981 , 980620325
n×2
36177880
n×3
54266820
n×4
72355760
n×5
90444700
n÷2
9044470
n÷3
6029646.6666667
n÷3
4522235
n÷5
3617788
n2
327209750323600
n3
5.9188775410186E+21
n4
1.0706622070683E+29
n5
1.9367144423927E+36
2 √n
4253.1094507431
3 √n
262.50507624348
4 √n
65.215868090083
5 √n
28.280209581614
1 , 2 , 4 , 5 , 10 , 20 , 61 , 122 , 244 , 305 , 610 , 1220 , 14827 , 29654 , 59308 , 74135 , 148270 , 296540 , 904447 , 1808894 , 3617788 , 4522235 , 9044470 , 18088940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18088939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18088940 can be divided by 24 positive divisors.
The sum of these divisors (counting 18088940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000101000000001111101100
3
Ternary
1021001000100202
4
Quaternary
1011000033230
5
Quinary
14112321230
6
Senary
1443413032
8
Octal
105001754
10
Decimal
18088940
12
Duodecimal
6084178
16
Hexadecimal
11403ec
20
Vigesimal
5d1270
36
Base36
arpik
md5
a5b10e098ca5159c97b0dafcee368322
sha1
3b32f9ef9f51049feef08cd113a7506bb6101846
sha256
9e21654acf631cd89293e1da78a5bcb820f7c5292e9667290174e5a6b80ca962
sha512
399789f8349e634bb0930a6214c2675188cd23709a75912e6be59d26afccbe30c0db888ec16b844bd0727eda726cec29890c151d4e691e649943f179a5a481df
ripemd-160
fe326b7859a9e832f684cda5f1f4ab1a46278e73
Diameter
36177880
Circumference
113656162.03045
Area
1.0279597477996E+15
Volume
2.4792936267149E+22
Surface area
4.1118389911983E+15
Circumference
113656162.03045
Perimeter
72355760
Area
327209750323600
Diagonal
25581624.276953
Surface area
1963258501941600
Volume
5.9188775410186E+21
Space diagonal
31330963.135065
Perimeter
54266820
Area
1.416859780731E+14
Altitude
15665481.567532
Surface area
1.416859780731E+14
Volume
6.9754640771117E+20
Height
8527208.0923177