19982018 is an even 8-digits composite number following 19982017
and preceding 19982019 . In scientific notation, it is written as 1.9982018 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 8508240 positive integers (up to 19982018) that are relatively prime to 19982018.
19982018 has 16 divisors, whose sum is 34476864
The reverse of 19982018 is 81028991
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million nine hundred eighty-two thousand eighteen
Scientific notation
1.9982018 × 10^7
Engineering notation
1.9982018 × 10^6
Prime Factorization
2 × 7 × 157 × 9091
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19982018
Product of the distinct prime numbers
The prime factorization of 19982018 is 2 × 7 × 157 × 9091.
Since it has a total of 4 prime factors.
1 , 8 , 17 , 66 , 191 , 942 , 3292 , 2078 , 32609 , 22769 , 834517 , 381602 , 3048091 , 4610552 , 50890766 , 75064124 , 638243433 , 737837677 , 5145829630 , 627154824
n×2
39964036
n×3
59946054
n×4
79928072
n×5
99910090
n÷2
9991009
n÷3
6660672.6666667
n÷3
4995504.5
n÷5
3996403.6
n2
399281043352324
n3
7.9784409953249E+21
n4
1.5942535158052E+29
n5
3.1856402449383E+36
2 √n
4470.1250541791
3 √n
271.36038617041
4 √n
66.858993816682
5 √n
28.848807725194
1 , 2 , 7 , 14 , 157 , 314 , 1099 , 2198 , 9091 , 18182 , 63637 , 127274 , 1427287 , 2854574 , 9991009 , 19982018
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
-19982017
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 19982018 can be divided by 16 positive divisors.
The sum of these divisors (counting 19982018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001110011011000010
3
Ternary
1101121012011202
4
Quaternary
1030032123002
5
Quinary
20103411033
6
Senary
1552141202
8
Octal
114163302
10
Decimal
19982018
12
Duodecimal
6837802
16
Hexadecimal
130e6c2
20
Vigesimal
64hf0i
36
Base36
bwa82
md5
c60dfb43617107ef9455c351753eceb4
sha1
4c5680065b9920e40f47baf215286510b1bd63f7
sha256
8738588ce15cdc3d21f6f0bbff4beeb11a0ef7489ac6ed2537cf5233c99e2320
sha512
d3e2e66411e9b7ec74ab03afc74faa6f74247b77ea122934c2ae1b2a58e009d2c4aef6501d7ccf89865d00bdff2d9a34b711c2ff5b4e7ccbc51909db9048e58e
ripemd-160
6a00d8fa6eff9f573948954586900cac905fbc24
Diameter
39964036
Circumference
125550721.9054
Area
1.2543783925133E+15
Volume
3.3420015490683E+22
Surface area
5.0175135700533E+15
Circumference
125550721.9054
Perimeter
79928072
Area
399281043352324
Diagonal
28258840.859183
Surface area
2395686260113944
Volume
7.9784409953249E+21
Space diagonal
34609870.413756
Perimeter
59946054
Area
1.7289376339633E+14
Altitude
17304935.206878
Surface area
1.7289376339633E+14
Volume
9.4026828851517E+20
Height
9419613.6197278