18995912 is an even 8-digits composite number following 18995911
and preceding 18995913 . In scientific notation, it is written as 1.8995912 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors.
There are 8767296 positive integers (up to 18995912) that are relatively prime to 18995912.
18995912 has 16 divisors, whose sum is 38357340
The reverse of 18995912 is 21959981
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighteen million nine hundred ninety-five thousand nine hundred twelve
Scientific notation
1.8995912 × 10^7
Engineering notation
1.8995912 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 182653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4748978
Product of the distinct prime numbers
The prime factorization of 18995912 is 2 × 2 × 2 × 13 × 182653.
Since it has a total of 5 prime factors.
1 , 4 , 57 , 89 , 354 , 783 , 4757 , 8207 , 66748 , 78791 , 399549 , 833756 , 4204380 , 1901782 , 42711503 , 24532279 , 632430423 , 25580286 , 753277676 , 1849667325
n×2
37991824
n×3
56987736
n×4
75983648
n×5
94979560
n÷2
9497956
n÷3
6331970.6666667
n÷3
4748978
n÷5
3799182.4
n2
360844672711744
n3
6.8545736485011E+21
n4
1.3020887782445E+29
n5
2.4734363847719E+36
2 √n
4358.4299925547
3 √n
266.82102591013
4 √n
66.018406467853
5 √n
28.558278847646
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 182653 , 365306 , 730612 , 1461224 , 2374489 , 4748978 , 9497956 , 18995912
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
-18995911
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 18995912 can be divided by 16 positive divisors.
The sum of these divisors (counting 18995912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011101101011001000
3
Ternary
1022202002111022
4
Quaternary
1020131223020
5
Quinary
14330332122
6
Senary
1515052012
8
Octal
110355310
10
Decimal
18995912
12
Duodecimal
6441008
16
Hexadecimal
121dac8
20
Vigesimal
5ie9fc
36
Base36
bb5c8
md5
83e274d640756baf8b9b4efd181de16c
sha1
9d9b4b00cb64db4c73ce37a7d7a94b77d0bf89a2
sha256
3a92979f4b510e9e8769969b9d805a3ccf2a654b1fd6a39f80b7813c1f707f11
sha512
a03a14ab67f5ef83de0c5be432022efe0455ab9bacf192ec56a7440bca62be6bc259232d01de214420c54374efc08e5eddb125058d11eb23563fb3428e03c2fd
ripemd-160
7658bf93db841fe2975119e7c638f9c5cf9cf7bd
Diameter
37991824
Circumference
119354835.17488
Area
1.1336269728782E+15
Volume
2.8712370956828E+22
Surface area
4.5345078915129E+15
Circumference
119354835.17488
Perimeter
75983648
Area
360844672711744
Diagonal
26864276.380046
Surface area
2165068036270464
Volume
6.8545736485011E+21
Space diagonal
32901884.720107
Perimeter
56987736
Area
1.5625032669433E+14
Altitude
16450942.360054
Surface area
1.5625032669433E+14
Volume
8.0781925149962E+20
Height
8954758.7933486