19987973 is an odd 8-digits composite number following 19987972
and preceding 19987974 . In scientific notation, it is written as 1.9987973 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 19975968 positive integers (up to 19987973) that are relatively prime to 19987973.
19987973 has 4 divisors, whose sum is 19999980
The reverse of 19987973 is 37978991
Previous prime number is 1997
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
nineteen million nine hundred eighty-seven thousand nine hundred seventy-three
Scientific notation
1.9987973 × 10^7
Engineering notation
1.9987973 × 10^6
Prime Factorization
1997 × 10009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19987973
Product of the distinct prime numbers
The prime factorization of 19987973 is 1997 × 10009.
Since it has a total of 2 prime factors.
7 , 8 , 64 , 69 , 145 , 797 , 3719 , 6469 , 9815 , 89516 , 187014 , 272620 , 342327 , 7450710 , 19489709 , 1952969 , 958076246 , 776329965 , 5743161359 , 8411783185
n×2
39975946
n×3
59963919
n×4
79951892
n×5
99939865
n÷2
9993986.5
n÷3
6662657.6666667
n÷3
4996993.25
n÷5
3997594.6
n2
399519064648729
n3
7.985576277184E+21
n4
1.596154830178E+29
n5
3.1903899649417E+36
2 √n
4470.7910933078
3 √n
271.38734024814
4 √n
66.86397455512
5 √n
28.85052701275
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
-19987972
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 19987973 can be divided by 4 positive divisors.
The sum of these divisors (counting 19987973) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001111111000000101
3
Ternary
1101121111100022
4
Quaternary
1030033320011
5
Quinary
20104103343
6
Senary
1552224525
8
Octal
114177005
10
Decimal
19987973
12
Duodecimal
683b145
16
Hexadecimal
130fe05
20
Vigesimal
64i9id
36
Base36
bweth
md5
2a5e98e9924fe26089f8ee1485f153d4
sha1
0eafd1c8f373d16ef2143db1dfc71ded15109779
sha256
c77b5323c7113fac149bf1e9f637d99e7909c856f7bfb0ee16e99f48c249f65d
sha512
9161eaf524a166a4b0a6c2508cab1b85a5efb9f07247870847c8ca3a16ef9db2b60f3005db43ddfd0020a5bf33ce608649b854ce645bc1b9e4e0703ef3d9fdbb
ripemd-160
090ebd6af4b3a2d54d578a826d92bbaa04d333dc
Diameter
39975946
Circumference
125588138.2739
Area
1.2551261584695E+15
Volume
3.3449903689443E+22
Surface area
5.0205046338781E+15
Circumference
125588138.2739
Perimeter
79951892
Area
399519064648729
Diagonal
28267262.500947
Surface area
2397114387892374
Volume
7.985576277184E+21
Space diagonal
34620184.776315
Perimeter
59963919
Area
1.72996829641E+14
Altitude
17310092.388157
Surface area
1.72996829641E+14
Volume
9.4110918954654E+20
Height
9422420.8336491