18991514 is an even 8-digits composite number following 18991513
and preceding 18991515 . In scientific notation, it is written as 1.8991514 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 9082876 positive integers (up to 18991514) that are relatively prime to 18991514.
18991514 has 8 divisors, whose sum is 29725920
The reverse of 18991514 is 41519981
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million nine hundred ninety-one thousand five hundred fourteen
Scientific notation
1.8991514 × 10^7
Engineering notation
1.8991514 × 10^6
Prime Factorization
2 × 23 × 412859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18991514
Product of the distinct prime numbers
The prime factorization of 18991514 is 2 × 23 × 412859.
Since it has a total of 3 prime factors.
9 , 10 , 25 , 75 , 564 , 10 , 7361 , 6597 , 89002 , 78823 , 403631 , 321925 , 1173952 , 2629396 , 72026110 , 904088 , 542397531 , 590657395 , 3216201553 , 9696081331
n×2
37983028
n×3
56974542
n×4
75966056
n×5
94957570
n÷2
9495757
n÷3
6330504.6666667
n÷3
4747878.5
n÷5
3798302.8
n2
360677604012196
n3
6.8498137660841E+21
n4
1.3008833403598E+29
n5
2.470574417081E+36
2 √n
4357.9254238686
3 √n
266.80043254165
4 √n
66.014584932942
5 √n
28.556956342639
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18991513
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18991514 can be divided by 8 positive divisors.
The sum of these divisors (counting 18991514) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011100100110011010
3
Ternary
1022201212110102
4
Quaternary
1020130212122
5
Quinary
14330212024
6
Senary
1515015402
8
Octal
110344632
10
Decimal
18991514
12
Duodecimal
643a562
16
Hexadecimal
121c99a
20
Vigesimal
5idife
36
Base36
bb1y2
md5
44f64d1b9f4a306cc5a77485c267e9ba
sha1
8da8ade7dc71e8f80846175a1aadf6d0a22e69ab
sha256
39bf6cb29429b74b5e41d16a5cd9d9050b09388a5b069eb494fdf1ea32c71d35
sha512
b9618d9c73b5aa273b1ac18a05ae537dec01cc156601a1083fde35ef7deea7f6bde61665640c5646300cb1943089657ccfb612f1e985ea1e84fe768219bb6e9d
ripemd-160
beef88cffe337c60330fe85e299355c5150bfecd
Diameter
37983028
Circumference
119327201.7259
Area
1.1331021110791E+15
Volume
2.8692432807984E+22
Surface area
4.5324084443163E+15
Circumference
119327201.7259
Perimeter
75966056
Area
360677604012196
Diagonal
26858056.668799
Surface area
2164065624073176
Volume
6.8498137660841E+21
Space diagonal
32894267.160656
Perimeter
56974542
Area
1.5617798382533E+14
Altitude
16447133.580328
Surface area
1.5617798382533E+14
Volume
8.0725829397717E+20
Height
8952685.5562662