17991930 is an even 8-digits composite number following 17991929
and preceding 17991931 . In scientific notation, it is written as 1.7991930 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 4361600 positive integers (up to 17991930) that are relatively prime to 17991930.
17991930 has 16 divisors, whose sum is 31404672
The reverse of 17991930 is 03919971
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventeen million nine hundred ninety-one thousand nine hundred thirty
Scientific notation
1.7991930 × 10^7
Engineering notation
1.7991930 × 10^6
Prime Factorization
2 × 15 × 11 × 54521
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
17991930
Product of the distinct prime numbers
The prime factorization of 17991930 is 2 × 15 × 11 × 54521.
Since it has a total of 4 prime factors.
7 , 3 , 93 , 17 , 417 , 168 , 4378 , 7341 , 14005 , 97490 , 883036 , 724184 , 1900827 , 2664383 , 78142722 , 79994164 , 546881124 , 12118218 , 2649161078 , 2442121335
n×2
35983860
n×3
53975790
n×4
71967720
n×5
89959650
n÷2
8995965
n÷3
5997310
n÷3
4497982.5
n÷5
3598386
n2
323709545124900
n3
5.824159476219E+21
n4
1.0478786960497E+29
n5
1.8853360147817E+36
2 √n
4241.6895218769
3 √n
262.03496804219
4 √n
65.128254405265
5 √n
28.249811256919
1 , 2 , 11 , 15 , 22 , 30 , 165 , 330 , 54521 , 109042 , 599731 , 817815 , 1199462 , 1635630 , 8995965 , 17991930
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
-17991929
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 17991930 can be divided by 16 positive divisors.
The sum of these divisors (counting 17991930) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000100101000100011111010
3
Ternary
1020212002021210
4
Quaternary
1010220203322
5
Quinary
14101220210
6
Senary
1441343550
8
Octal
104504372
10
Decimal
17991930
12
Duodecimal
6037bb6
16
Hexadecimal
11288fa
20
Vigesimal
5c8jga
36
Base36
apmnu
md5
7be81ed32c8a168ced417d0329a2401b
sha1
d34342866e42b8f60a21383a980f768e7ef1611c
sha256
1d897da6f2bbc0f675dce4461de7db1f95d1ff386a2d6d3860f02f9ac99521cb
sha512
7af420289d9299702c12c9ba2257d3e7dd59f7b770c78df6e59ae206494cfecdeeb66a1dc018bca342dfbe51ebc7d95d206cd6ea3e52cdaa11a2671ab5a809e9
ripemd-160
f88fdfb916968021d1dd7acb1373295a7b2545cd
Diameter
35983860
Circumference
113046630.2238
Area
1.0169635288613E+15
Volume
2.43961821651E+22
Surface area
4.0678541154451E+15
Circumference
113046630.2238
Perimeter
71967720
Area
323709545124900
Diagonal
25444431.419267
Surface area
1942257270749400
Volume
5.824159476219E+21
Space diagonal
31162936.886223
Perimeter
53975790
Area
1.4017034476283E+14
Altitude
15581468.443111
Surface area
1.4017034476283E+14
Volume
6.863837767244E+20
Height
8481477.1397558