18181330 is an even 8-digits composite number following 18181329
and preceding 18181331 . In scientific notation, it is written as 1.8181330 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 6844672 positive integers (up to 18181330) that are relatively prime to 18181330.
18181330 has 16 divisors, whose sum is 34651800
The reverse of 18181330 is 03318181
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighteen million one hundred eighty-one thousand three hundred thirty
Scientific notation
1.8181330 × 10^7
Engineering notation
1.8181330 × 10^6
Prime Factorization
2 × 5 × 17 × 106949
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18181330
Product of the distinct prime numbers
The prime factorization of 18181330 is 2 × 5 × 17 × 106949.
Since it has a total of 4 prime factors.
2 , 5 , 48 , 81 , 533 , 697 , 9234 , 8622 , 2899 , 43960 , 226100 , 886136 , 3007305 , 517681 , 43930204 , 19269690 , 657237076 , 882714610 , 2491981138 , 9187337977
n×2
36362660
n×3
54543990
n×4
72725320
n×5
90906650
n÷2
9090665
n÷3
6060443.3333333
n÷3
4545332.5
n÷5
3636266
n2
330560760568900
n3
6.0100342729542E+21
n4
1.0927041642789E+29
n5
1.9866815003129E+36
2 √n
4263.9570823356
3 √n
262.95123597724
4 √n
65.298982245787
5 √n
28.309039207373
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 106949 , 213898 , 534745 , 1069490 , 1818133 , 3636266 , 9090665 , 18181330
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
-18181329
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 18181330 can be divided by 16 positive divisors.
The sum of these divisors (counting 18181330) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101010110110011010010
3
Ternary
1021012201002121
4
Quaternary
1011112303102
5
Quinary
14123300310
6
Senary
1445404454
8
Octal
105266322
10
Decimal
18181330
12
Duodecimal
610972a
16
Hexadecimal
1156cd2
20
Vigesimal
5dcd6a
36
Base36
atosy
md5
cbacfaec67fea50dd2d6544430de97d4
sha1
d22cc0eebd172f4db7fe97a04d04d2adb92b4475
sha256
c782f4c4dcfb80ae84d82272be3b37524c3840862dd7155b02c42c443ee9357e
sha512
921b6845a3ab6a0cf08d9cd4d1abc750d9322984b5cbc86bd0bde71dfcc84320ef142e755ee601bab5b0795998cfdf75f2ca451357c52997c6647e2db98078bf
ripemd-160
bd85cd06efda0fa6f2e1f6eb5d87739ae8ddfc14
Diameter
36362660
Circumference
114236665.52098
Area
1.0384872569683E+15
Volume
2.5174772692981E+22
Surface area
4.1539490278732E+15
Circumference
114236665.52098
Perimeter
72725320
Area
330560760568900
Diagonal
25712283.467981
Surface area
1983364563413400
Volume
6.0100342729542E+21
Space diagonal
31490987.309176
Perimeter
54543990
Area
1.4313700807349E+14
Altitude
15745493.654588
Surface area
1.4313700807349E+14
Volume
7.0828933159491E+20
Height
8570761.1559936