19904731 is an odd 8-digits composite number following 19904730
and preceding 19904732 . In scientific notation, it is written as 1.9904731 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 15509760 positive integers (up to 19904731) that are relatively prime to 19904731.
19904731 has 12 divisors, whose sum is 25260120
The reverse of 19904731 is 13740991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
nineteen million nine hundred four thousand seven hundred thirty-one
Scientific notation
1.9904731 × 10^7
Engineering notation
1.9904731 × 10^6
Prime Factorization
7 × 11 × 7 × 36929
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2843533
Product of the distinct prime numbers
The prime factorization of 19904731 is 7 × 11 × 7 × 36929.
Since it has a total of 4 prime factors.
6 , 3 , 81 , 64 , 727 , 737 , 8972 , 1428 , 27780 , 4186 , 879962 , 567538 , 7692045 , 2479774 , 15672832 , 13420109 , 866316110 , 180990055 , 400014614 , 5966814257
n×2
39809462
n×3
59714193
n×4
79618924
n×5
99523655
n÷2
9952365.5
n÷3
6634910.3333333
n÷3
4976182.75
n÷5
3980946.2
n2
396198316182361
n3
7.8862209062628E+21
n4
1.5697310574574E+29
n5
3.1245074441035E+36
2 √n
4461.4718423408
3 √n
271.0100757409
4 √n
66.794250069454
5 √n
28.82645667565
1 , 7 , 11 , 49 , 77 , 539 , 36929 , 258503 , 406219 , 1809521 , 2843533 , 19904731
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19904730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19904731 can be divided by 12 positive divisors.
The sum of these divisors (counting 19904731) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011111011100011011011
3
Ternary
1101110021011021
4
Quaternary
1023323203123
5
Quinary
20043422411
6
Senary
1550343311
8
Octal
113734333
10
Decimal
19904731
12
Duodecimal
67bab37
16
Hexadecimal
12fb8db
20
Vigesimal
6481gb
36
Base36
buml7
md5
4335370266e612021f4bc7b2ee685a4c
sha1
96fa392f2c34bb47404bb1d9d9e989908145c72f
sha256
e69376985f6d52373ecac0e3be4a477551c40cac34856d4af560fca16aa2ccfc
sha512
12e7bb8d46f120d81be01f79c70a5cffc07816d8831c75512b9a53d9763e56b1f52a57a9da1f6388916d172c81690c0471485f22374bede69b5ae9e2cba1d433
ripemd-160
fb3fe2c937cb2e0d39e65e20cdfc14c75472caba
Diameter
39809462
Circumference
125065113.36256
Area
1.2446937194832E+15
Volume
3.3033724884935E+22
Surface area
4.9787748779326E+15
Circumference
125065113.36256
Perimeter
79618924
Area
396198316182361
Diagonal
28149540.535588
Surface area
2377189897094166
Volume
7.8862209062628E+21
Space diagonal
34476005.402991
Perimeter
59714193
Area
1.7155890337527E+14
Altitude
17238002.701496
Surface area
1.7155890337527E+14
Volume
9.2940004679226E+20
Height
9383180.1785294