18378345 is an odd 8-digits composite number following 18378344
and preceding 18378346 . In scientific notation, it is written as 1.8378345 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 9801776 positive integers (up to 18378345) that are relatively prime to 18378345.
18378345 has 4 divisors, whose sum is 19603584
The reverse of 18378345 is 54387381
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million three hundred seventy-eight thousand three hundred forty-five
Scientific notation
1.8378345 × 10^7
Engineering notation
1.8378345 × 10^6
Prime Factorization
15 × 1225223
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18378345
Product of the distinct prime numbers
The prime factorization of 18378345 is 15 × 1225223.
Since it has a total of 2 prime factors.
9 , 7 , 80 , 87 , 458 , 227 , 8070 , 3986 , 62982 , 62127 , 564688 , 162740 , 1802706 , 2693443 , 8731522 , 51657796 , 500993932 , 943762498 , 6691641610 , 9379384680
n×2
36756690
n×3
55135035
n×4
73513380
n×5
91891725
n÷2
9189172.5
n÷3
6126115
n÷3
4594586.25
n÷5
3675669
n2
337763564939025
n3
6.2075353248793E+21
n4
1.1408422580032E+29
n5
2.0966792608162E+36
2 √n
4286.9972008388
3 √n
263.89761583122
4 √n
65.475164763739
5 √n
28.370127002608
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18378344
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18378345 can be divided by 4 positive divisors.
The sum of these divisors (counting 18378345) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110000110111001101001
3
Ternary
1021120201100110
4
Quaternary
1012012321221
5
Quinary
14201101340
6
Senary
1453524533
8
Octal
106067151
10
Decimal
18378345
12
Duodecimal
61a3749
16
Hexadecimal
1186e69
20
Vigesimal
5eh5h5
36
Base36
axwtl
md5
966c31ea7d93c152f376c5aa69f06604
sha1
608757c457d5254a25a8e040e1d10a04c713dca8
sha256
228533b5f920db09acabef5cefd99a9d18c5b83ad9e004fdc6557514de90e385
sha512
5ec9b913bc629e675b52e8fcf5cb8c8916667d69c7ccd712e68edbae27d185bb95c3210f199c354e99dc5ceb978a9ae034190c09cf5e1cb195e3fb597e0d5e67
ripemd-160
f0e22476043f0f479b1f4366990cae0d51e6eb10
Diameter
36756690
Circumference
115474547.27428
Area
1.0611155342627E+15
Volume
2.600206316472E+22
Surface area
4.244462137051E+15
Circumference
115474547.27428
Perimeter
73513380
Area
337763564939025
Diagonal
25990904.752972
Surface area
2026581389634150
Volume
6.2075353248793E+21
Space diagonal
31832227.299029
Perimeter
55135035
Area
1.46255913855E+14
Altitude
15916113.649515
Surface area
1.46255913855E+14
Volume
7.3156505377953E+20
Height
8663634.9176573