18994927 is an odd 8-digits composite number following 18994926
and preceding 18994928 . In scientific notation, it is written as 1.8994927 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 15336000 positive integers (up to 18994927) that are relatively prime to 18994927.
18994927 has 16 divisors, whose sum is 22982400
The reverse of 18994927 is 72949981
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million nine hundred ninety-four thousand nine hundred twenty-seven
Scientific notation
1.8994927 × 10^7
Engineering notation
1.8994927 × 10^6
Prime Factorization
7 × 19 × 251 × 569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18994927
Product of the distinct prime numbers
The prime factorization of 18994927 is 7 × 19 × 251 × 569.
Since it has a total of 4 prime factors.
4 , 10 , 67 , 85 , 66 , 31 , 5642 , 5028 , 10808 , 83149 , 666179 , 829092 , 8840506 , 9432693 , 21799091 , 51629508 , 286659746 , 294755912 , 4844459245 , 6659479861
n×2
37989854
n×3
56984781
n×4
75979708
n×5
94974635
n÷2
9497463.5
n÷3
6331642.3333333
n÷3
4748731.75
n÷5
3798985.4
n2
360807251735329
n3
6.8535074077832E+21
n4
1.301818729048E+29
n5
2.47279517255E+36
2 √n
4358.3169916838
3 √n
266.81641398357
4 √n
66.017550633781
5 √n
28.55798267352
1 , 7 , 19 , 133 , 251 , 569 , 1757 , 3983 , 4769 , 10811 , 33383 , 75677 , 142819 , 999733 , 2713561 , 18994927
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
-18994926
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 18994927 can be divided by 16 positive divisors.
The sum of these divisors (counting 18994927) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011101011011101111
3
Ternary
1022202001010211
4
Quaternary
1020131123233
5
Quinary
14330314202
6
Senary
1515043251
8
Octal
110353357
10
Decimal
18994927
12
Duodecimal
6440527
16
Hexadecimal
121d6ef
20
Vigesimal
5ie767
36
Base36
bb4kv
md5
9bf0531f535cee615ca619e8f7aa2c78
sha1
fc3480a7fd26b2c8dc11ae7b4f38ef742e3ffcd7
sha256
0d06788558dffe18ba864ab2e4ad880c25d3cda3a3efc1d25869a1721b0153ba
sha512
59ac4732adb774ffcab570607df46bbb65e68ee8de47e5286e180011746264aacf7b22f73e0838d594fb6cfc5bed46dc13cba7c175e6a36daff14d343867efd7
ripemd-160
de2981f498de6b2a99124c6a6460db7007c0d254
Diameter
37989854
Circumference
119348646.23735
Area
1.1335094114136E+15
Volume
2.8707904698153E+22
Surface area
4.5340376456545E+15
Circumference
119348646.23735
Perimeter
75979708
Area
360807251735329
Diagonal
26862883.379687
Surface area
2164843510411974
Volume
6.8535074077832E+21
Space diagonal
32900178.650062
Perimeter
56984781
Area
1.5623412293622E+14
Altitude
16450089.325031
Surface area
1.5623412293622E+14
Volume
8.0769359382596E+20
Height
8954294.4598956