18994015 is an odd 8-digits composite number following 18994014
and preceding 18994016 . In scientific notation, it is written as 1.8994015 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 13526784 positive integers (up to 18994015) that are relatively prime to 18994015.
18994015 has 24 divisors, whose sum is 25511760
The reverse of 18994015 is 51049981
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million nine hundred ninety-four thousand fifteen
Scientific notation
1.8994015 × 10^7
Engineering notation
1.8994015 × 10^6
Prime Factorization
5 × 17 × 19 × 19 × 619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
999685
Product of the distinct prime numbers
The prime factorization of 18994015 is 5 × 17 × 19 × 19 × 619.
Since it has a total of 5 prime factors.
7 , 3 , 94 , 43 , 328 , 379 , 602 , 8090 , 15131 , 9856 , 955298 , 383632 , 1158822 , 2199188 , 83698030 , 96670829 , 413999606 , 8257589 , 3076644424 , 1559895387
n×2
37988030
n×3
56982045
n×4
75976060
n×5
94970075
n÷2
9497007.5
n÷3
6331338.3333333
n÷3
4748503.75
n÷5
3798803
n2
360772605820225
n3
6.8525202865384E+21
n4
1.3015687311032E+29
n5
2.4722016002104E+36
2 √n
4358.2123628846
3 √n
266.81214371246
4 √n
66.016758197329
5 √n
28.5577084384
1 , 5 , 17 , 19 , 85 , 95 , 323 , 361 , 619 , 1615 , 1805 , 3095 , 6137 , 10523 , 11761 , 30685 , 52615 , 58805 , 199937 , 223459 , 999685 , 1117295 , 3798803 , 18994015
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
-18994014
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 18994015 can be divided by 24 positive divisors.
The sum of these divisors (counting 18994015) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001000011101001101011111
3
Ternary
1022201222220001
4
Quaternary
1020131031133
5
Quinary
14330302030
6
Senary
1515035131
8
Octal
110351537
10
Decimal
18994015
12
Duodecimal
643baa7
16
Hexadecimal
121d35f
20
Vigesimal
5ie50f
36
Base36
bb3vj
md5
d058b240f1739ab09cb0282e18aef7c5
sha1
96d633b178e6faa85f34adb0822f17a8f5e3d955
sha256
1d0fba6a6e9d80608d7ef660c432165bd418bcdeefe8bed9d4fdf8cb8b8eb440
sha512
95f01cfb91fdc5ed1d6bd2a5af717234c853231249ec87f4950a1d76f83ea4d65e279f912f5a189d6cd348d1275996b9c959d14da6d624c5ba73f87faf032e29
ripemd-160
0aaf333da421dcea9b858d091739f3b661742282
Diameter
37988030
Circumference
119342915.97235
Area
1.1334005680613E+15
Volume
2.8703769854352E+22
Surface area
4.5336022722451E+15
Circumference
119342915.97235
Perimeter
75976060
Area
360772605820225
Diagonal
26861593.616918
Surface area
2164635634921350
Volume
6.8525202865384E+21
Space diagonal
32898599.019725
Perimeter
56982045
Area
1.5621912081491E+14
Altitude
16449299.509863
Surface area
1.5621912081491E+14
Volume
8.0757726047162E+20
Height
8953864.5389727