18378420 is an even 8-digits composite number following 18378419
and preceding 18378421 . In scientific notation, it is written as 1.8378420 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 4867200 positive integers (up to 18378420) that are relatively prime to 18378420.
18378420 has 24 divisors, whose sum is 34542592
The reverse of 18378420 is 02487381
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighteen million three hundred seventy-eight thousand four hundred twenty
Scientific notation
1.8378420 × 10^7
Engineering notation
1.8378420 × 10^6
Prime Factorization
2 × 2 × 15 × 157 × 1951
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9189210
Product of the distinct prime numbers
The prime factorization of 18378420 is 2 × 2 × 15 × 157 × 1951.
Since it has a total of 5 prime factors.
6 , 8 , 60 , 54 , 134 , 918 , 5053 , 9027 , 54419 , 20396 , 561471 , 990320 , 8113815 , 3013012 , 4591559 , 92981912 , 653116885 , 969583043 , 3608542385 , 3705742674
n×2
36756840
n×3
55135260
n×4
73513680
n×5
91892100
n÷2
9189210
n÷3
6126140
n÷3
4594605
n÷5
3675684
n2
337766321696400
n3
6.2076113219916E+21
n4
1.1408608807232E+29
n5
2.09672204275E+36
2 √n
4287.0059482114
3 √n
263.89797480976
4 √n
65.47523156287
5 √n
28.370150157642
1 , 2 , 4 , 15 , 30 , 60 , 157 , 314 , 628 , 1951 , 2355 , 3902 , 4710 , 7804 , 9420 , 29265 , 58530 , 117060 , 306307 , 612614 , 1225228 , 4594605 , 9189210 , 18378420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18378419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18378420 can be divided by 24 positive divisors.
The sum of these divisors (counting 18378420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000110000110111010110100
3
Ternary
1021120201110020
4
Quaternary
1012012322310
5
Quinary
14201102140
6
Senary
1453525140
8
Octal
106067264
10
Decimal
18378420
12
Duodecimal
61a37b0
16
Hexadecimal
1186eb4
20
Vigesimal
5eh610
36
Base36
axwvo
md5
e7596c18067f905ffd040894b16e70c6
sha1
a6f3deda9c205796642d39aff30e68bbfa40c9b1
sha256
544b5f3b7950788f336fe0f60d239fb4c1618a3ea99cfb1ac43a057c3daf9421
sha512
c8d3c9c433ef797421402354139de4a88b6cb98d436d4bee870db25e8c4c308c88a4a14d62cdb7dc5fa055114928b638f768d853971cbd17b9a6818e5afce307
ripemd-160
4bdaf66dc13e601e928dceee9606e9771a79e2b7
Diameter
36756840
Circumference
115475018.51318
Area
1.0611241948715E+15
Volume
2.6002381500679E+22
Surface area
4.2444967794858E+15
Circumference
115475018.51318
Perimeter
73513680
Area
337766321696400
Diagonal
25991010.818989
Surface area
2026597930178400
Volume
6.2076113219916E+21
Space diagonal
31832357.20284
Perimeter
55135260
Area
1.4625710756595E+14
Altitude
15916178.60142
Surface area
1.4625710756595E+14
Volume
7.315740101251E+20
Height
8663670.2729963