19997684 is an even 8-digits composite number following 19997683
and preceding 19997685 . In scientific notation, it is written as 1.9997684 × 10^7.
The sum of its digits is 53. It has a total of 6 prime factors and 36 positive divisors.
There are 8515584 positive integers (up to 19997684) that are relatively prime to 19997684.
19997684 has 36 divisors, whose sum is 40970916
The reverse of 19997684 is 48679991
Previous prime number is 397
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
nineteen million nine hundred ninety-seven thousand six hundred eighty-four
Scientific notation
1.9997684 × 10^7
Engineering notation
1.9997684 × 10^6
Prime Factorization
2 × 2 × 7 × 7 × 397 × 257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1428406
Product of the distinct prime numbers
The prime factorization of 19997684 is 2 × 2 × 7 × 7 × 397 × 257.
Since it has a total of 6 prime factors.
6 , 9 , 52 , 37 , 903 , 857 , 428 , 1760 , 28531 , 21905 , 357789 , 460437 , 8458293 , 8748651 , 4758148 , 91865256 , 929566492 , 618410411 , 3265997402 , 9269955854
n×2
39995368
n×3
59993052
n×4
79990736
n×5
99988420
n÷2
9998842
n÷3
6665894.6666667
n÷3
4999421
n÷5
3999536.8
n2
399907365363856
n3
7.9972211218189E+21
n4
1.5992590087226E+29
n5
3.1981476290588E+36
2 √n
4471.8770108311
3 √n
271.43128360303
4 √n
66.872094410383
5 √n
28.853329828592
1 , 2 , 4 , 7 , 14 , 28 , 49 , 98 , 196 , 257 , 397 , 514 , 794 , 1028 , 1588 , 1799 , 2779 , 3598 , 5558 , 7196 , 11116 , 12593 , 19453 , 25186 , 38906 , 50372 , 77812 , 102029 , 204058 , 408116 , 714203 , 1428406 , 2856812 , 4999421 , 9998842 , 19997684
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19997683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19997684 can be divided by 36 positive divisors.
The sum of these divisors (counting 19997684) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001100010010001111110100
3
Ternary
1101121222122222
4
Quaternary
1030102033310
5
Quinary
20104411214
6
Senary
1552341512
8
Octal
114221764
10
Decimal
19997684
12
Duodecimal
6844898
16
Hexadecimal
13123f4
20
Vigesimal
64je44
36
Base36
bwmb8
md5
f911e826272d7f72bd8408ff93851999
sha1
211790a2ce6a576ad679da7a37f6e0045e94312a
sha256
9c700bf93dab2ac4e4f7938272ffbbf0165df5a5494374ce3545bc5c7b4ef096
sha512
e4ef5fcda066afbc751a8b4c152f83b2ba6ca1594af0fb27e7314efe95e1b676e61ca3871b04ae36ab8e4d98bd0c1e8ac22816f1777e0321c9d1ae3022244ebc
ripemd-160
9630df129bddf9c76a543e5a2f716fba94e561f1
Diameter
39995368
Circumference
125649154.28642
Area
1.2563460411435E+15
Volume
3.3498681500586E+22
Surface area
5.0253841645742E+15
Circumference
125649154.28642
Perimeter
79990736
Area
399907365363856
Diagonal
28280995.928851
Surface area
2399444192183136
Volume
7.9972211218189E+21
Space diagonal
34637004.721707
Perimeter
59993052
Area
1.731649687828E+14
Altitude
17318502.360854
Surface area
1.731649687828E+14
Volume
9.4248154764774E+20
Height
9426998.6429505