18390690 is an even 8-digits composite number following 18390689
and preceding 18390691 . In scientific notation, it is written as 1.8390690 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 4877568 positive integers (up to 18390690) that are relatively prime to 18390690.
18390690 has 32 divisors, whose sum is 36981360
The reverse of 18390690 is 09609381
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million three hundred ninety thousand six hundred ninety
Scientific notation
1.8390690 × 10^7
Engineering notation
1.8390690 × 10^6
Prime Factorization
2 × 9 × 5 × 233 × 877
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18390690
Product of the distinct prime numbers
The prime factorization of 18390690 is 2 × 9 × 5 × 233 × 877.
Since it has a total of 5 prime factors.
6 , 10 , 94 , 94 , 787 , 468 , 2282 , 5775 , 55173 , 45684 , 584902 , 9207 , 3887154 , 5286030 , 7992174 , 74945245 , 509350797 , 516130014 , 6452985495 , 7722776414
n×2
36781380
n×3
55172070
n×4
73562760
n×5
91953450
n÷2
9195345
n÷3
6130230
n÷3
4597672.5
n÷5
3678138
n2
338217478676100
n3
6.2200528029138E+21
n4
1.1439106288202E+29
n5
2.1037305762337E+36
2 √n
4288.4367781279
3 √n
263.95669055384
4 √n
65.486157148881
5 √n
28.373937303853
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 233 , 466 , 877 , 1165 , 1754 , 2097 , 2330 , 4194 , 4385 , 7893 , 8770 , 10485 , 15786 , 20970 , 39465 , 78930 , 204341 , 408682 , 1021705 , 1839069 , 2043410 , 3678138 , 9195345 , 18390690
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
-18390689
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 18390690 can be divided by 32 positive divisors.
The sum of these divisors (counting 18390690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000110001001111010100010
3
Ternary
1021121100021200
4
Quaternary
1012021322202
5
Quinary
14202000230
6
Senary
1454102030
8
Octal
106117242
10
Decimal
18390690
12
Duodecimal
61aa916
16
Hexadecimal
1189ea2
20
Vigesimal
5eigea
36
Base36
ay6ci
md5
d269d9f0495c2c42f3131c23fa3aa18e
sha1
2710a99f7d079b34fff79af38c0c1a5896e42bcc
sha256
79f5bd608078b527f998b52c542691ad40901d726e1878c0af1b0b247e18c3ba
sha512
54573667a6c60efa510d5a02222d35ba61e3744b94158eae086a1b0f74c335dba59509fcfa9437ab99707ea57d16fcc55e072156ea574dbaa7eb2b3217f3c1e4
ripemd-160
462181d22d0c76d7561039d118f6a2dbc3b83100
Diameter
36781380
Circumference
115552113.19689
Area
1.0625415463245E+15
Volume
2.6054496254099E+22
Surface area
4.250166185298E+15
Circumference
115552113.19689
Perimeter
73562760
Area
338217478676100
Diagonal
26008363.219399
Surface area
2029304872056600
Volume
6.2200528029138E+21
Space diagonal
31853609.466249
Perimeter
55172070
Area
1.4645246426871E+14
Altitude
15926804.733124
Surface area
1.4645246426871E+14
Volume
7.3304025271312E+20
Height
8669454.4064664