18378980 is an even 8-digits composite number following 18378979
and preceding 18378981 . In scientific notation, it is written as 1.8378980 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 7351584 positive integers (up to 18378980) that are relatively prime to 18378980.
18378980 has 12 divisors, whose sum is 38595900
The reverse of 18378980 is 08987381
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighteen million three hundred seventy-eight thousand nine hundred eighty
Scientific notation
1.8378980 × 10^7
Engineering notation
1.8378980 × 10^6
Prime Factorization
2 × 2 × 5 × 918949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9189490
Product of the distinct prime numbers
The prime factorization of 18378980 is 2 × 2 × 5 × 918949.
Since it has a total of 4 prime factors.
2 , 7 , 60 , 3 , 372 , 50 , 9443 , 5442 , 46546 , 3462 , 908791 , 41786 , 6777297 , 8846719 , 14975968 , 77016331 , 990457707 , 418780642 , 3528745646 , 4585635157
n×2
36757960
n×3
55136940
n×4
73515920
n×5
91894900
n÷2
9189490
n÷3
6126326.6666667
n÷3
4594745
n÷5
3675796
n2
337786905840400
n3
6.2081787867026E+21
n4
1.1409999375723E+29
n5
2.0970415032643E+36
2 √n
4287.0712613625
3 √n
263.90065515198
4 √n
65.475730323246
5 √n
28.370323046176
1 , 2 , 4 , 5 , 10 , 20 , 918949 , 1837898 , 3675796 , 4594745 , 9189490 , 18378980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18378979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18378980 can be divided by 12 positive divisors.
The sum of these divisors (counting 18378980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110000111000011100100
3
Ternary
1021120202012222
4
Quaternary
1012013003210
5
Quinary
14201111410
6
Senary
1453531512
8
Octal
106070344
10
Decimal
18378980
12
Duodecimal
61a3b98
16
Hexadecimal
11870e4
20
Vigesimal
5eh790
36
Base36
axxb8
md5
c2f809589873b84730b13899fb97da05
sha1
f33c9effbe6492059e690109357eaad87574c249
sha256
8e0070fba216f55980635fc7c7f9e95857320a4e94f758285eaa5d68d7a58522
sha512
17abb288edd3c876d2f03c7c3a290ee4d542e19395b8a38f77da2bdbc997e766275adb16306288c08ea8fd669f8381f4d0dcc5b6410f55f528b28fa0d5989c9a
ripemd-160
75113295870da94e4fff1607ece8a6dc0f39d95e
Diameter
36757960
Circumference
115478537.09695
Area
1.061188861867E+15
Volume
2.6004758491302E+22
Surface area
4.2447554474681E+15
Circumference
115478537.09695
Perimeter
73515920
Area
337786905840400
Diagonal
25991802.778584
Surface area
2026721435042400
Volume
6.2081787867026E+21
Space diagonal
31833327.151292
Perimeter
55136940
Area
1.4626602076176E+14
Altitude
15916663.575646
Surface area
1.4626602076176E+14
Volume
7.3164088648265E+20
Height
8663934.259528