19809993 is an odd 8-digits composite number following 19809992
and preceding 19809994 . In scientific notation, it is written as 1.9809993 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 11269776 positive integers (up to 19809993) that are relatively prime to 19809993.
19809993 has 16 divisors, whose sum is 30320640
The reverse of 19809993 is 39990891
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million eight hundred nine thousand nine hundred ninety-three
Scientific notation
1.9809993 × 10^7
Engineering notation
1.9809993 × 10^6
Prime Factorization
3 × 7 × 239 × 3947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19809993
Product of the distinct prime numbers
The prime factorization of 19809993 is 3 × 7 × 239 × 3947.
Since it has a total of 4 prime factors.
5 , 10 , 95 , 76 , 201 , 140 , 2980 , 6583 , 37293 , 8401 , 791939 , 522410 , 6805946 , 2642114 , 71041551 , 24270370 , 825216309 , 726350070 , 9807386603 , 4641638714
n×2
39619986
n×3
59429979
n×4
79239972
n×5
99049965
n÷2
9904996.5
n÷3
6603331
n÷3
4952498.25
n÷5
3961998.6
n2
392435822660049
n3
7.7741508998448E+21
n4
1.5400587490687E+29
n5
3.050855303864E+36
2 √n
4450.8418304856
3 √n
270.57942779535
4 √n
66.714629808503
5 √n
28.798963965179
1 , 3 , 7 , 21 , 239 , 717 , 1673 , 3947 , 5019 , 11841 , 27629 , 82887 , 943333 , 2829999 , 6603331 , 19809993
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
-19809992
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 19809993 can be divided by 16 positive divisors.
The sum of these divisors (counting 19809993) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011100100011011001001
3
Ternary
1101021110012110
4
Quaternary
1023210123021
5
Quinary
20032404433
6
Senary
1544332533
8
Octal
113443311
10
Decimal
19809993
12
Duodecimal
6774149
16
Hexadecimal
12e46c9
20
Vigesimal
63g4jd
36
Base36
bslhl
md5
aea6631c1f8a9865dcf6e2fce31c138b
sha1
19cddedc1cb52315626221c35e98cebc6d216607
sha256
a56c184a31f42400816ea3b65730fed79e91cbe8f8ae12f9f52d9ea8d59f2092
sha512
3468b00407b272d89e96c35e1c1045ebff8943dce00ea04a7dfb6b80382b786486beb8ce444f1de1116a370301ce4b0e74c80ef9c8dbe64e1b96870c6b996ae1
ripemd-160
529e2808008c75a39a94800ec0274946782bbc2d
Diameter
39619986
Circumference
124469856.95293
Area
1.2328734974743E+15
Volume
3.2564287139801E+22
Surface area
4.9314939898971E+15
Circumference
124469856.95293
Perimeter
79239972
Area
392435822660049
Diagonal
28015560.771116
Surface area
2354614935960294
Volume
7.7741508998448E+21
Space diagonal
34311914.373584
Perimeter
59429979
Area
1.6992969588932E+14
Altitude
17155957.186792
Surface area
1.6992969588932E+14
Volume
9.1619246987463E+20
Height
9338520.2570387