19986872 is an even 8-digits composite number following 19986871
and preceding 19986873 . In scientific notation, it is written as 1.9986872 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 8 positive divisors.
There are 9993432 positive integers (up to 19986872) that are relatively prime to 19986872.
19986872 has 8 divisors, whose sum is 37475400
The reverse of 19986872 is 27868991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred eighty-six thousand eight hundred seventy-two
Scientific notation
1.9986872 × 10^7
Engineering notation
1.9986872 × 10^6
Prime Factorization
2 × 2 × 2 × 2498359
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4996718
Product of the distinct prime numbers
The prime factorization of 19986872 is 2 × 2 × 2 × 2498359.
Since it has a total of 4 prime factors.
9 , 7 , 14 , 86 , 285 , 900 , 5509 , 3834 , 7727 , 63277 , 620080 , 433543 , 5230516 , 4815885 , 24885085 , 38437699 , 95800688 , 813565729 , 9255128842 , 8261725339
n×2
39973744
n×3
59960616
n×4
79947488
n×5
99934360
n÷2
9993436
n÷3
6662290.6666667
n÷3
4996718
n÷5
3997374.4
n2
399475052344384
n3
7.9842567384005E+21
n4
1.5958031744555E+29
n5
3.1895113785035E+36
2 √n
4470.6679590415
3 √n
271.38235720245
4 √n
66.863053766946
5 √n
28.850209170315
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19986871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19986872 can be divided by 8 positive divisors.
The sum of these divisors (counting 19986872) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001111100110111000
3
Ternary
1101121102211112
4
Quaternary
1030033212320
5
Quinary
20104034442
6
Senary
1552215452
8
Octal
114174670
10
Decimal
19986872
12
Duodecimal
683a588
16
Hexadecimal
130f9b8
20
Vigesimal
64i73c
36
Base36
bwdyw
md5
f44a5fdbab05409eab9c1ffb2ab489a4
sha1
f91ec74bc725bcbbde6b9eda81c5dfa4ef4845f4
sha256
b1075955ff898aee951896a8918feb55dcf3b9969b422bd91d8fee56b4457527
sha512
83bd8c5b4843935629ed122853b864946b6081e950b4e1088545e5cac4ec2236a92d7b9e4a35cd09205d403f6c75e346da4357f7da0639fea8765c996c47107a
ripemd-160
04890d998049357f1593d284ccf877aa533780d3
Diameter
39973744
Circumference
125581220.48688
Area
1.2549878897375E+15
Volume
3.3444376418312E+22
Surface area
5.0199515589501E+15
Circumference
125581220.48688
Perimeter
79947488
Area
399475052344384
Diagonal
28265705.451815
Surface area
2396850314066304
Volume
7.9842567384005E+21
Space diagonal
34618277.788376
Perimeter
59960616
Area
1.7297777175418E+14
Altitude
17309138.894188
Surface area
1.7297777175418E+14
Volume
9.4095368040956E+20
Height
9421901.8172717