19007985 is an odd 8-digits composite number following 19007984
and preceding 19007986 . In scientific notation, it is written as 1.9007985 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 10137584 positive integers (up to 19007985) that are relatively prime to 19007985.
19007985 has 4 divisors, whose sum is 20275200
The reverse of 19007985 is 58970091
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
nineteen million seven thousand nine hundred eighty-five
Scientific notation
1.9007985 × 10^7
Engineering notation
1.9007985 × 10^6
Prime Factorization
15 × 1267199
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19007985
Product of the distinct prime numbers
The prime factorization of 19007985 is 15 × 1267199.
Since it has a total of 2 prime factors.
8 , 5 , 85 , 43 , 156 , 702 , 5707 , 4998 , 387 , 1794 , 503034 , 653969 , 7954532 , 7721238 , 43519591 , 61079860 , 861806837 , 545994600 , 8157275982 , 952683381
n×2
38015970
n×3
57023955
n×4
76031940
n×5
95039925
n÷2
9503992.5
n÷3
6335995
n÷3
4751996.25
n÷5
3801597
n2
361303493760225
n3
6.867651389842E+21
n4
1.3054021460334E+29
n5
2.4813064410772E+36
2 √n
4359.8147896442
3 √n
266.87754066691
4 √n
66.028893597002
5 √n
28.561908012509
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
-19007984
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 19007985 can be divided by 4 positive divisors.
The sum of these divisors (counting 19007985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000100000100111110001
3
Ternary
1022202201001110
4
Quaternary
1020200213301
5
Quinary
14331223420
6
Senary
1515223533
8
Octal
110404761
10
Decimal
19007985
12
Duodecimal
6447ba9
16
Hexadecimal
12209f1
20
Vigesimal
5ifjj5
36
Base36
bbenl
md5
9377fce49902e1e3a1037139a9f8df30
sha1
6d08cd704a2b083dcbb5e0054dfe58de1b50c684
sha256
1da019d2be646447a53608a6bfd4f991c846113a50c42e827ab1a97c0fff696b
sha512
540b188f774f0390fb0981522de0a8960d94b267f16766856cbb26854e7d3baf9e78757089b0116b8cdfd4ad24dcb6ac3517d06826d5c69c8d425e418fc6bb78
ripemd-160
aa2111e6e78723f84e90956bda5987086c439a08
Diameter
38015970
Circumference
119430692.07109
Area
1.1350684017134E+15
Volume
2.8767150871658E+22
Surface area
4.5402736068538E+15
Circumference
119430692.07109
Perimeter
76031940
Area
361303493760225
Diagonal
26881350.180384
Surface area
2167820962561350
Volume
6.867651389842E+21
Space diagonal
32922795.769507
Perimeter
57023955
Area
1.5644900203621E+14
Altitude
16461397.884754
Surface area
1.5644900203621E+14
Volume
8.0936047809708E+20
Height
8960450.0601281