18996868 is an even 8-digits composite number following 18996867
and preceding 18996869 . In scientific notation, it is written as 1.8996868 × 10^7.
The sum of its digits is 55. It has a total of 5 prime factors and 24 positive divisors.
There are 8544000 positive integers (up to 18996868) that are relatively prime to 18996868.
18996868 has 24 divisors, whose sum is 36648864
The reverse of 18996868 is 86869981
Previous prime number is 97
Is Prime? no Number parity even Number length 8 Sum of Digits 55 Digital Root 1
Name
eighteen million nine hundred ninety-six thousand eight hundred sixty-eight
Scientific notation
1.8996868 × 10^7
Engineering notation
1.8996868 × 10^6
Prime Factorization
2 × 2 × 11 × 97 × 4451
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
9498434 Product of the distinct prime numbers
The prime factorization of 18996868 is 2 × 2 × 11 × 97 × 4451.
Since it has a total of 5 prime factors.
3 , 3 , 51 , 65 , 746 , 94 , 2822 , 8223 , 42806 , 43050 , 769191 , 437841 , 3913325 , 9544643 , 51201171 , 85085341 , 518579121 , 971032278 , 3543829343 , 4789945163
n×2
37993736
n×3
56990604
n×4
75987472
n×5
94984340
n÷2
9498434
n÷3
6332289.3333333
n÷3
4749217
n÷5
3799373.6
n2
360880993809424
n3
6.8556086031064E+21
n4
1.3023509169288E+29
n5
2.4740588458575E+36
2 √n4358.5396636947
3 √n266.82550190162
4 √n66.019237072953
5 √n28.558566290176
1 , 2 , 4 , 11 , 22 , 44 , 97 , 194 , 388 , 1067 , 2134 , 4268 , 4451 , 8902 , 17804 , 48961 , 97922 , 195844 , 431747 , 863494 , 1726988 , 4749217 , 9498434 , 18996868
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
-18996867 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 18996868 can be divided by 24 positive divisors.
The sum of these divisors (counting 18996868) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001000011101111010000100
3
Ternary
1022202010210201
4
Quaternary
1020131322010
5
Quinary
14330344433
6
Senary
1515100244
8
Octal
110357204
10
Decimal
18996868
12
Duodecimal
6441684
16
Hexadecimal
121de84
20
Vigesimal
5iec38
36
Base36
bb62s
md5
632c75aa3b0baf3270192ceaba3d8975
sha1
13a990dfc3b10b6377a701ce6410a1ee5176e858
sha256
c299d611de81c8b31e5722d651fb0edf2718fa9981d471cd1f561dd129115f93
sha512
ee0d5cc0b899cd924550108814b765e6f4bd0eece96e037ab1b69863cf5a0ad50a6ee966225bf68598077c1d60f8efdf2591ff99457d5d252cdc26feebb0ec00
ripemd-160
60d98da74521033c5894006a7fad26e96c78f82d
Diameter
37993736
Circumference
119360841.90003
Area
1.1337410789719E+15
Volume
2.8716706164542E+22
Surface area
4.5349643158875E+15
Circumference
119360841.90003
Perimeter
75987472
Area
360880993809424
Diagonal
26865628.368211
Surface area
2165285962856544
Volume
6.8556086031064E+21
Space diagonal
32903540.560679
Perimeter
56990604
Area
1.5626605419097E+14
Altitude
16451770.28034
Surface area
1.5626605419097E+14
Volume
8.0794122206957E+20
Height
8955209.4560705