19909085 is an odd 8-digits composite number following 19909084
and preceding 19909086 . In scientific notation, it is written as 1.9909085 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 13651920 positive integers (up to 19909085) that are relatively prime to 19909085.
19909085 has 4 divisors, whose sum is 20477952
The reverse of 19909085 is 58090991
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred nine thousand eighty-five
Scientific notation
1.9909085 × 10^7
Engineering notation
1.9909085 × 10^6
Prime Factorization
35 × 568831
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19909085
Product of the distinct prime numbers
The prime factorization of 19909085 is 35 × 568831.
Since it has a total of 2 prime factors.
3 , 3 , 26 , 2 , 21 , 976 , 451 , 6348 , 50549 , 12569 , 423287 , 318633 , 4478287 , 6076494 , 62876929 , 99137640 , 573743406 , 748203614 , 6801249454 , 5125779894
n×2
39818170
n×3
59727255
n×4
79636340
n×5
99545425
n÷2
9954542.5
n÷3
6636361.6666667
n÷3
4977271.25
n÷5
3981817
n2
396371665537225
n3
7.8913971807722E+21
n4
1.5711049724075E+29
n5
3.1279262439584E+36
2 √n
4461.9597712216
3 √n
271.02983472589
4 √n
66.797902446272
5 √n
28.827717676485
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19909084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19909085 can be divided by 4 positive divisors.
The sum of these divisors (counting 19909085) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011111100100111011101
3
Ternary
1101110111010112
4
Quaternary
1023330213131
5
Quinary
20044042320
6
Senary
1550415405
8
Octal
113744735
10
Decimal
19909085
12
Duodecimal
6801565
16
Hexadecimal
12fc9dd
20
Vigesimal
648ce5
36
Base36
bupy5
md5
504b21ef4d94d40fac8a1e148b362b9b
sha1
2d34826df85f97bb59eb36c1d9bb7b24cfbc7001
sha256
306678f5f354137e9b3260ef5b1f2e57b50230a431bf7dca7d1699f6c1d4815d
sha512
9ad74bdcaf7d1c60af3aa0c34a0075426e84130c244ccac4332b30a1500b4f1aa62cebf9bff2853248f0c8bb1f924f8cc3993da63f926352dc6827fa63bc767c
ripemd-160
cab215c5f0f0aa7cbac037c0de4cff54b796f78e
Diameter
39818170
Circumference
125092470.35139
Area
1.2452383125429E+15
Volume
3.3055407212897E+22
Surface area
4.9809532501716E+15
Circumference
125092470.35139
Perimeter
79636340
Area
396371665537225
Diagonal
28155698.021439
Surface area
2378229993223350
Volume
7.8913971807722E+21
Space diagonal
34483546.752207
Perimeter
59727255
Area
1.7163396584779E+14
Altitude
17241773.376104
Surface area
1.7163396584779E+14
Volume
9.300100765934E+20
Height
9385232.6738129