19009985 is an odd 8-digits composite number following 19009984
and preceding 19009986 . In scientific notation, it is written as 1.9009985 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 15185520 positive integers (up to 19009985) that are relatively prime to 19009985.
19009985 has 8 divisors, whose sum is 22845696
The reverse of 19009985 is 58990091
Previous prime number is 787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine thousand nine hundred eighty-five
Scientific notation
1.9009985 × 10^7
Engineering notation
1.9009985 × 10^6
Prime Factorization
5 × 787 × 4831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19009985
Product of the distinct prime numbers
The prime factorization of 19009985 is 5 × 787 × 4831.
Since it has a total of 3 prime factors.
9 , 8 , 54 , 42 , 912 , 612 , 5536 , 1243 , 90444 , 97672 , 738170 , 501983 , 508894 , 901522 , 24187833 , 63078757 , 162929127 , 14939451 , 5273630321 , 7109901945
n×2
38019970
n×3
57029955
n×4
76039940
n×5
95049925
n÷2
9504992.5
n÷3
6336661.6666667
n÷3
4752496.25
n÷5
3801997
n2
361379529700225
n3
6.8698194389083E+21
n4
1.3059516448636E+29
n5
2.4826121179582E+36
2 √n
4360.0441511526
3 √n
266.88690052913
4 √n
66.030630400993
5 √n
28.562509037941
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19009984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19009985 can be divided by 8 positive divisors.
The sum of these divisors (counting 19009985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000100001000111000001
3
Ternary
1022202210210112
4
Quaternary
1020201013001
5
Quinary
14331304420
6
Senary
1515241105
8
Octal
110410701
10
Decimal
19009985
12
Duodecimal
6449195
16
Hexadecimal
12211c1
20
Vigesimal
5ig4j5
36
Base36
bbg75
md5
797e3691896432daf971580097bb4902
sha1
a9f24cf59f8fab5f388ff4db8ea212031d8bee4a
sha256
0b7d19233be629af7b335f3263111c820aafcb9482ebb802c25afebc4760204c
sha512
381198d037f8aab2fea8f40b48cd2591ce4c848b6cc7425e7cd915a01da9cd4e55e236f5a0aadd65036200582ea7458caba178d7391d21cdc24e01f5db6d369c
ripemd-160
897002a3ca814b4106edefaa871ea5911d9ac6e1
Diameter
38019970
Circumference
119443258.4417
Area
1.135307275664E+15
Volume
2.877623237435E+22
Surface area
4.5412291026558E+15
Circumference
119443258.4417
Perimeter
76039940
Area
361379529700225
Diagonal
26884178.607509
Surface area
2168277178201350
Volume
6.8698194389083E+21
Space diagonal
32926259.871122
Perimeter
57029955
Area
1.5648192656403E+14
Altitude
16463129.935561
Surface area
1.5648192656403E+14
Volume
8.0961598512987E+20
Height
8961392.8691697