18996938 is an even 8-digits composite number following 18996937
and preceding 18996939 . In scientific notation, it is written as 1.8996938 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 9279072 positive integers (up to 18996938) that are relatively prime to 18996938.
18996938 has 16 divisors, whose sum is 29160000
The reverse of 18996938 is 83969981
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighteen million nine hundred ninety-six thousand nine hundred thirty-eight
Scientific notation
1.8996938 × 10^7
Engineering notation
1.8996938 × 10^6
Prime Factorization
2 × 59 × 199 × 809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18996938
Product of the distinct prime numbers
The prime factorization of 18996938 is 2 × 59 × 199 × 809.
Since it has a total of 4 prime factors.
2 , 9 , 43 , 70 , 103 , 351 , 9884 , 6954 , 51132 , 16279 , 909652 , 765553 , 253760 , 8670657 , 18295544 , 42134236 , 334673294 , 211936684 , 489894580 , 1214683997
n×2
37993876
n×3
56990814
n×4
75987752
n×5
94984690
n÷2
9498469
n÷3
6332312.6666667
n÷3
4749234.5
n÷5
3799387.6
n2
360883653375844
n3
6.8556843883944E+21
n4
1.302370112739E+29
n5
2.4741044284755E+36
2 √n
4358.5476938999
3 √n
266.82582963569
4 √n
66.019297890086
5 √n
28.558587336768
1 , 2 , 59 , 118 , 199 , 398 , 809 , 1618 , 11741 , 23482 , 47731 , 95462 , 160991 , 321982 , 9498469 , 18996938
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
-18996937
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 18996938 can be divided by 16 positive divisors.
The sum of these divisors (counting 18996938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011101111011001010
3
Ternary
1022202010220022
4
Quaternary
1020131323022
5
Quinary
14330400223
6
Senary
1515100442
8
Octal
110357312
10
Decimal
18996938
12
Duodecimal
6441722
16
Hexadecimal
121deca
20
Vigesimal
5iec6i
36
Base36
bb64q
md5
ab830c6cbe40a29c53238c424cfc623f
sha1
47f129f98cac192af348f53a19be2db79e672e53
sha256
5a0d32b41c5e9028b9e41974d8fe5bf1dedcd01724029f78ca28c2eb838fbcdc
sha512
2d9d23983fbfebb8d422cb6c88c051db2e3aab36af479313f7cdfcbf0ecd2111e01af03adec8c29b7e7eac9417eedcdc2084355f1118511ea2ea7852d1891f61
ripemd-160
6581700245a321030c526652517553436779c53c
Diameter
37993876
Circumference
119361281.723
Area
1.1337494342462E+15
Volume
2.8717023613213E+22
Surface area
4.5349977369848E+15
Circumference
119361281.723
Perimeter
75987752
Area
360883653375844
Diagonal
26865727.363161
Surface area
2165301920255064
Volume
6.8556843883944E+21
Space diagonal
32903661.804236
Perimeter
56990814
Area
1.5626720581701E+14
Altitude
16451830.902118
Surface area
1.5626720581701E+14
Volume
8.079501534514E+20
Height
8955242.4543869