19987622 is an even 8-digits composite number following 19987621
and preceding 19987623 . In scientific notation, it is written as 1.9987622 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 9408960 positive integers (up to 19987622) that are relatively prime to 19987622.
19987622 has 16 divisors, whose sum is 31788672
The reverse of 19987622 is 22678991
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million nine hundred eighty-seven thousand six hundred twenty-two
Scientific notation
1.9987622 × 10^7
Engineering notation
1.9987622 × 10^6
Prime Factorization
2 × 31 × 37 × 8713
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19987622
Product of the distinct prime numbers
The prime factorization of 19987622 is 2 × 31 × 37 × 8713.
Since it has a total of 4 prime factors.
8 , 9 , 47 , 12 , 806 , 879 , 9475 , 9362 , 2538 , 51203 , 405428 , 882357 , 5822761 , 2337953 , 89694637 , 80054903 , 105604179 , 626325324 , 2189037539 , 2675882830
n×2
39975244
n×3
59962866
n×4
79950488
n×5
99938110
n÷2
9993811
n÷3
6662540.6666667
n÷3
4996905.5
n÷5
3997524.4
n2
399505033214884
n3
7.9851555909965E+21
n4
1.5960427156403E+29
n5
3.1901098496071E+36
2 √n
4470.7518383377
3 √n
271.38575166761
4 √n
66.863681010977
5 √n
28.850425685756
1 , 2 , 31 , 37 , 62 , 74 , 1147 , 2294 , 8713 , 17426 , 270103 , 322381 , 540206 , 644762 , 9993811 , 19987622
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
-19987621
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 19987622 can be divided by 16 positive divisors.
The sum of these divisors (counting 19987622) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111110010100110
3
Ternary
1101121110212022
4
Quaternary
1030033302212
5
Quinary
20104100442
6
Senary
1552223142
8
Octal
114176246
10
Decimal
19987622
12
Duodecimal
683aab2
16
Hexadecimal
130fca6
20
Vigesimal
64i912
36
Base36
bwejq
md5
919e643245c3bfae2a068e506ec75fc3
sha1
db992aee2e2459e5751bd90c0b97bdbab7e9c52d
sha256
a091e0d272f789caa44de05819804c762aad8dbad33adc94e93ef295de9a037c
sha512
45e3bc46e5f9238aa76f43d99745a25aea26a0be54d41f1380ee30e7785e3c598ca7db126b6de2edd1893aec721bbc302493666edbd3683afaa680de6be5521d
ripemd-160
a7bc808ea5e0d1d6edb483e53eaa9aa1588c151a
Diameter
39975244
Circumference
125585932.87586
Area
1.25508207742E+15
Volume
3.3448141523262E+22
Surface area
5.0203283096801E+15
Circumference
125585932.87586
Perimeter
79950488
Area
399505033214884
Diagonal
28266766.111987
Surface area
2397030199289304
Volume
7.9851555909965E+21
Space diagonal
34619576.826481
Perimeter
59962866
Area
1.7299075385192E+14
Altitude
17309788.413241
Surface area
1.7299075385192E+14
Volume
9.4105961120389E+20
Height
9422255.3706623