19728085 is an odd 8-digits composite number following 19728084
and preceding 19728086 . In scientific notation, it is written as 1.9728085 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 14511168 positive integers (up to 19728085) that are relatively prime to 19728085.
19728085 has 16 divisors, whose sum is 25595136
The reverse of 19728085 is 58082791
Previous prime number is 827
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million seven hundred twenty-eight thousand eighty-five
Scientific notation
1.9728085 × 10^7
Engineering notation
1.9728085 × 10^6
Prime Factorization
5 × 13 × 827 × 367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19728085
Product of the distinct prime numbers
The prime factorization of 19728085 is 5 × 13 × 827 × 367.
Since it has a total of 4 prime factors.
10 , 8 , 68 , 36 , 71 , 46 , 9211 , 5753 , 12832 , 76678 , 466042 , 488282 , 9912173 , 6911899 , 96795320 , 33318091 , 828994673 , 272812988 , 5453032099 , 5468657446
n×2
39456170
n×3
59184255
n×4
78912340
n×5
98640425
n÷2
9864042.5
n÷3
6576028.3333333
n÷3
4932021.25
n÷5
3945617
n2
389197337767225
n3
7.6781181612455E+21
n4
1.514745677251E+29
n5
2.9883031474189E+36
2 √n
4441.6308941649
3 √n
270.20599277782
4 √n
66.645561698923
5 √n
28.77510957503
1 , 5 , 13 , 65 , 367 , 827 , 1835 , 4135 , 4771 , 10751 , 23855 , 53755 , 303509 , 1517545 , 3945617 , 19728085
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
-19728084
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 19728085 can be divided by 16 positive divisors.
The sum of these divisors (counting 19728085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011010000011011010101
3
Ternary
1101010021211211
4
Quaternary
1023100123111
5
Quinary
20022244320
6
Senary
1542501421
8
Octal
113203325
10
Decimal
19728085
12
Duodecimal
6734871
16
Hexadecimal
12d06d5
20
Vigesimal
636045
36
Base36
bquad
md5
38a6a7640d93d8528489d5edc78720b6
sha1
24fdcba4a4580e280837b1150fa9c8b6c1d0a4b3
sha256
2318905fd4f45e3fbc4b3ffd351e7e145605aa2222c88bde99843fe555693da2
sha512
7f0bade3aaaf02f4675c0f1605375695d2d673c7ef1069d43599021d92d3d1cb63509a6d344db8ec50febc9507fe2386a0ebd522827d6214edef05fc96159416
ripemd-160
de23fa3d109170463f8dbc168727f5819ae5fafb
Diameter
39456170
Circumference
123955213.81079
Area
1.2226994971262E+15
Volume
3.2162026145018E+22
Surface area
4.8907979885049E+15
Circumference
123955213.81079
Perimeter
78912340
Area
389197337767225
Diagonal
27899725.366649
Surface area
2335184026603350
Volume
7.6781181612455E+21
Space diagonal
34170045.556037
Perimeter
59184255
Area
1.6852739079584E+14
Altitude
17085022.778019
Surface area
1.6852739079584E+14
Volume
9.0487490309472E+20
Height
9299908.4555497