19987616 is an even 8-digits composite number following 19987615
and preceding 19987617 . In scientific notation, it is written as 1.9987616 × 10^7.
The sum of its digits is 47. It has a total of 7 prime factors and 24 positive divisors.
There are 9085120 positive integers (up to 19987616) that are relatively prime to 19987616.
19987616 has 24 divisors, whose sum is 42928704
The reverse of 19987616 is 61678991
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million nine hundred eighty-seven thousand six hundred sixteen
Scientific notation
1.9987616 × 10^7
Engineering notation
1.9987616 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 11 × 56783
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1249226
Product of the distinct prime numbers
The prime factorization of 19987616 is 2 × 2 × 2 × 2 × 2 × 11 × 56783.
Since it has a total of 7 prime factors.
1 , 6 , 75 , 5 , 631 , 8 , 7519 , 5177 , 37559 , 94947 , 338835 , 890617 , 8132682 , 578154 , 53230060 , 2953731 , 765224004 , 361238424 , 952322506 , 9530734122
n×2
39975232
n×3
59962848
n×4
79950464
n×5
99938080
n÷2
9993808
n÷3
6662538.6666667
n÷3
4996904
n÷5
3997523.2
n2
399504793363456
n3
7.9851483999081E+21
n4
1.5960407992038E+29
n5
3.1901050614818E+36
2 √n
4470.7511673096
3 √n
271.38572451222
4 √n
66.863675993095
5 √n
28.850423953659
1 , 2 , 4 , 8 , 11 , 16 , 22 , 32 , 44 , 88 , 176 , 352 , 56783 , 113566 , 227132 , 454264 , 624613 , 908528 , 1249226 , 1817056 , 2498452 , 4996904 , 9993808 , 19987616
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19987615
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19987616 can be divided by 24 positive divisors.
The sum of these divisors (counting 19987616) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100001111110010100000
3
Ternary
1101121110212002
4
Quaternary
1030033302200
5
Quinary
20104100431
6
Senary
1552223132
8
Octal
114176240
10
Decimal
19987616
12
Duodecimal
683aaa8
16
Hexadecimal
130fca0
20
Vigesimal
64i90g
36
Base36
bwejk
md5
91b1c8394aa1908d39deecb1d5be917c
sha1
edb7cc4271178cf10c733300b2c1d4d58c7d078a
sha256
6653a00b8d4f2dcd3c02ef7e9d18a7e14fd3177eeddbde052c1018d087afea6b
sha512
1a45d9e49b04fa77d6e9317a0db1fbd28c82f7210cbc6d9d35a481ed53ab5bccb24b9c1c5abd3a4e4d7af563f489aea369aa1b3845f05b6787a283aac4139d2f
ripemd-160
af100cba1eb0fba78945461a490cffd752274601
Diameter
39975232
Circumference
125585895.17675
Area
1.2550813239045E+15
Volume
3.3448111401301E+22
Surface area
5.0203252956182E+15
Circumference
125585895.17675
Perimeter
79950464
Area
399504793363456
Diagonal
28266757.626705
Surface area
2397028760180736
Volume
7.9851483999081E+21
Space diagonal
34619566.434177
Perimeter
59962848
Area
1.729906499932E+14
Altitude
17309783.217088
Surface area
1.729906499932E+14
Volume
9.4105876372599E+20
Height
9422252.5422352