18293990 is an even 8-digits composite number following 18293989
and preceding 18293991 . In scientific notation, it is written as 1.8293990 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 6135360 positive integers (up to 18293990) that are relatively prime to 18293990.
18293990 has 32 divisors, whose sum is 35786016
The reverse of 18293990 is 09939281
Previous prime number is 121
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million two hundred ninety-three thousand nine hundred ninety
Scientific notation
1.8293990 × 10^7
Engineering notation
1.8293990 × 10^6
Prime Factorization
2 × 5 × 13 × 121 × 1163
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18293990
Product of the distinct prime numbers
The prime factorization of 18293990 is 2 × 5 × 13 × 121 × 1163.
Since it has a total of 5 prime factors.
9 , 10 , 3 , 83 , 509 , 755 , 1595 , 8201 , 60918 , 56732 , 223954 , 425911 , 5557134 , 2434684 , 81202931 , 78475204 , 112543725 , 561331677 , 4377600518 , 1961916813
n×2
36587980
n×3
54881970
n×4
73175960
n×5
91469950
n÷2
9146995
n÷3
6097996.6666667
n÷3
4573497.5
n÷5
3658798
n2
334670070120100
n3
6.1224509160764E+21
n4
1.1200405583419E+29
n5
2.0490010773902E+36
2 √n
4277.1474138729
3 √n
263.49324083974
4 √n
65.399903775716
5 √n
28.344035774431
1 , 2 , 5 , 10 , 13 , 26 , 65 , 121 , 130 , 242 , 605 , 1163 , 1210 , 1573 , 2326 , 3146 , 5815 , 7865 , 11630 , 15119 , 15730 , 30238 , 75595 , 140723 , 151190 , 281446 , 703615 , 1407230 , 1829399 , 3658798 , 9146995 , 18293990
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18293989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18293990 can be divided by 32 positive divisors.
The sum of these divisors (counting 18293990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000101110010010011100110
3
Ternary
1021102102122012
4
Quaternary
1011302103212
5
Quinary
14140401430
6
Senary
1452034222
8
Octal
105622346
10
Decimal
18293990
12
Duodecimal
6162972
16
Hexadecimal
11724e6
20
Vigesimal
5e6eja
36
Base36
aw3qe
md5
9cc9e507c93141d6b4d11abcc2af721d
sha1
bba39495c78b535d0ebf90e0ffeec77a8506ca17
sha256
6f96ac3998c04bd5faba93d8c566ce1f15a734ec29c26c42db5b0dfa3e928e7b
sha512
1316cce5e0def8823d69e8d347f63616eed172aed1c4b66de541eda17f9ab2782590e06ef128495f93a4ac886828169e8f259be2ffe18fcecd1dd1854d5f7556
ripemd-160
c459e245d99a0de9fceac40785f06f749c900259
Diameter
36587980
Circumference
114944529.17769
Area
1.0513970336657E+15
Volume
2.5645662426546E+22
Surface area
4.2055881346627E+15
Circumference
114944529.17769
Perimeter
73175960
Area
334670070120100
Diagonal
25871608.767918
Surface area
2008020420720600
Volume
6.1224509160764E+21
Space diagonal
31686120.153157
Perimeter
54881970
Area
1.4491639130516E+14
Altitude
15843060.076578
Surface area
1.4491639130516E+14
Volume
7.215377600399E+20
Height
8623869.5893059