19998906 is an even 8-digits composite number following 19998905
and preceding 19998907 . In scientific notation, it is written as 1.9998906 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 6110640 positive integers (up to 19998906) that are relatively prime to 19998906.
19998906 has 32 divisors, whose sum is 43468800
The reverse of 19998906 is 60989991
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
nineteen million nine hundred ninety-eight thousand nine hundred six
Scientific notation
1.9998906 × 10^7
Engineering notation
1.9998906 × 10^6
Prime Factorization
2 × 31 × 3 × 19 × 5659
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19998906
Product of the distinct prime numbers
The prime factorization of 19998906 is 2 × 31 × 3 × 19 × 5659.
Since it has a total of 5 prime factors.
1 , 4 , 27 , 73 , 128 , 522 , 5798 , 4203 , 26780 , 76776 , 148317 , 898507 , 5786924 , 7497268 , 63793014 , 88267027 , 842346410 , 245917812 , 3013144713 , 1897526958
n×2
39997812
n×3
59996718
n×4
79995624
n×5
99994530
n÷2
9999453
n÷3
6666302
n÷3
4999726.5
n÷5
3999781.2
n2
399956241196836
n3
7.9986872718089E+21
n4
1.599649948723E+29
n5
3.1991248957416E+36
2 √n
4472.0136404085
3 √n
271.43681228112
4 √n
66.873115976516
5 √n
28.853682448498
1 , 2 , 3 , 6 , 19 , 31 , 38 , 57 , 62 , 93 , 114 , 186 , 589 , 1178 , 1767 , 3534 , 5659 , 11318 , 16977 , 33954 , 107521 , 175429 , 215042 , 322563 , 350858 , 526287 , 645126 , 1052574 , 3333151 , 6666302 , 9999453 , 19998906
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19998905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19998906 can be divided by 32 positive divisors.
The sum of these divisors (counting 19998906) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100010010100010111010
3
Ternary
1101122001100020
4
Quaternary
1030102202322
5
Quinary
20104431111
6
Senary
1552351310
8
Octal
114224272
10
Decimal
19998906
12
Duodecimal
6845536
16
Hexadecimal
13128ba
20
Vigesimal
64jh56
36
Base36
bwn96
md5
15b9742ba3ec6e473622252fa3b7102c
sha1
ccd9f647caa51d2f373f9c3f378a897922dc83b1
sha256
e1ba834d5f3a4b162d91efe667de259235d494a047e272ed41837e5efdb8c45a
sha512
3eb79700f6ee2ae92fbc1b072b64a56e969b480fe68d37e97daf8817585f4fadc7f503c68571aaf9ed304228cf3debf1cd0aca11aa05d9542e9eef44c656b59c
ripemd-160
7f60e981aeb49c12c96a2c3fe303e856092272a3
Diameter
39997812
Circumference
125656832.33887
Area
1.2564995891014E+15
Volume
3.3504822895302E+22
Surface area
5.0259983564055E+15
Circumference
125656832.33887
Perimeter
79995624
Area
399956241196836
Diagonal
28282724.097825
Surface area
2399737447181016
Volume
7.9986872718089E+21
Space diagonal
34639121.287794
Perimeter
59996718
Area
1.731861326393E+14
Altitude
17319560.643897
Surface area
1.731861326393E+14
Volume
9.4265433508109E+20
Height
9427574.6992749