19987550 is an even 8-digits composite number following 19987549
and preceding 19987551 . In scientific notation, it is written as 1.9987550 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 7268000 positive integers (up to 19987550) that are relatively prime to 19987550.
19987550 has 16 divisors, whose sum is 34016112
The reverse of 19987550 is 05578991
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million nine hundred eighty-seven thousand five hundred fifty
Scientific notation
1.9987550 × 10^7
Engineering notation
1.9987550 × 10^6
Prime Factorization
2 × 25 × 11 × 36341
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19987550
Product of the distinct prime numbers
The prime factorization of 19987550 is 2 × 25 × 11 × 36341.
Since it has a total of 4 prime factors.
4 , 4 , 19 , 13 , 770 , 819 , 5620 , 3018 , 34897 , 74016 , 316477 , 26778 , 5314889 , 8104385 , 22574224 , 45516550 , 918711994 , 901713705 , 5386993602 , 6558481474
n×2
39975100
n×3
59962650
n×4
79950200
n×5
99937750
n÷2
9993775
n÷3
6662516.6666667
n÷3
4996887.5
n÷5
3997510
n2
399502155002500
n3
7.9850692982202E+21
n4
1.5960197185164E+29
n5
3.1900523924833E+36
2 √n
4470.7437859936
3 √n
271.38542580264
4 √n
66.863620796316
5 √n
28.850404900556
1 , 2 , 11 , 22 , 25 , 50 , 275 , 550 , 36341 , 72682 , 399751 , 799502 , 908525 , 1817050 , 9993775 , 19987550
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
-19987549
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 19987550 can be divided by 16 positive divisors.
The sum of these divisors (counting 19987550) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111110001011110
3
Ternary
1101121110202122
4
Quaternary
1030033301132
5
Quinary
20104100200
6
Senary
1552222542
8
Octal
114176136
10
Decimal
19987550
12
Duodecimal
683aa52
16
Hexadecimal
130fc5e
20
Vigesimal
64i8ha
36
Base36
bwehq
md5
5c92d9b58a263798d57c3315b03f8057
sha1
87579b8b950b5094721f22a3c0d65e075fb3f926
sha256
bf4afa9fcfbbc7a33c4caecb68ef3a1803a5178dd975c39aded00d460a9e92d7
sha512
20b554aecd936310fda0b01332527a67a9cd25742669def3857ab66d7bf7462f1deace3a68c16df05c23f3cd4bef3a21d32d54f4efea594574d599dd0420cc7a
ripemd-160
0320652d7ef728ee61e0f6f6a405fa5c9cb07793
Diameter
39975100
Circumference
125585480.48652
Area
1.2550730352491E+15
Volume
3.3447780060925E+22
Surface area
5.0202921409966E+15
Circumference
125585480.48652
Perimeter
79950200
Area
399502155002500
Diagonal
28266664.28861
Surface area
2397012930015000
Volume
7.9850692982202E+21
Space diagonal
34619452.118823
Perimeter
59962650
Area
1.729895075494E+14
Altitude
17309726.059412
Surface area
1.729895075494E+14
Volume
9.4104944150267E+20
Height
9422221.4295368