18121010 is an even 8-digits composite number following 18121009
and preceding 18121011 . In scientific notation, it is written as 1.8121010 × 10^7.
The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors.
There are 6933168 positive integers (up to 18121010) that are relatively prime to 18121010.
18121010 has 16 divisors, whose sum is 34036416
The reverse of 18121010 is 01012181
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
eighteen million one hundred twenty-one thousand ten
Scientific notation
1.8121010 × 10^7
Engineering notation
1.8121010 × 10^6
Prime Factorization
2 × 5 × 23 × 78787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18121010
Product of the distinct prime numbers
The prime factorization of 18121010 is 2 × 5 × 23 × 78787.
Since it has a total of 4 prime factors.
10 , 10 , 38 , 82 , 487 , 884 , 6459 , 9094 , 96541 , 31784 , 169580 , 573332 , 9157911 , 9819244 , 70974412 , 39006045 , 597123522 , 510028999 , 8960179420 , 7398346525
n×2
36242020
n×3
54363030
n×4
72484040
n×5
90605050
n÷2
9060505
n÷3
6040336.6666667
n÷3
4530252.5
n÷5
3624202
n2
328371003420100
n3
5.9504142366857E+21
n4
1.0782751588712E+29
n5
1.9539434936657E+36
2 √n
4256.8779639543
3 √n
262.66011697732
4 √n
65.244754302199
5 √n
28.290230111641
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 78787 , 157574 , 393935 , 787870 , 1812101 , 3624202 , 9060505 , 18121010
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
-18121009
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 18121010 can be divided by 16 positive divisors.
The sum of these divisors (counting 18121010) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101001000000100110010
3
Ternary
1021002122100112
4
Quaternary
1011020010302
5
Quinary
14114333020
6
Senary
1444221322
8
Octal
105100462
10
Decimal
18121010
12
Duodecimal
609a842
16
Hexadecimal
1148132
20
Vigesimal
5d52aa
36
Base36
ase9e
md5
20fbd29b1fee63fb77ba6cfc80ba57c5
sha1
20f903b5d81962b26aeb8140192e20324ada8421
sha256
c7003d7f09d696c88b0c2ed2324729e7bc8936bd704d49c3c4dcf244e8f679ac
sha512
a2f9cfe08168941063c8939bbd110ae6fa0d7ba21c6537a9574d32758347b6c1bdf3b8d44b9d47cf7ad31f18105eaa4163e465cf60fc355fb8fb883078eed528
ripemd-160
a8038c036e6f65956ea84e276ac322dc717a9fbd
Diameter
36242020
Circumference
113857663.78325
Area
1.0316079319965E+15
Volume
2.492503686905E+22
Surface area
4.126431727986E+15
Circumference
113857663.78325
Perimeter
72484040
Area
328371003420100
Diagonal
25626978.105898
Surface area
1970226020520600
Volume
5.9504142366857E+21
Space diagonal
31386510.004464
Perimeter
54363030
Area
1.42188815414E+14
Altitude
15693255.002232
Surface area
1.42188815414E+14
Volume
7.0126304293823E+20
Height
8542326.0352995