19997688 is an even 8-digits composite number following 19997687
and preceding 19997689 . In scientific notation, it is written as 1.9997688 × 10^7.
The sum of its digits is 57. It has a total of 6 prime factors and 32 positive divisors.
There are 6584928 positive integers (up to 19997688) that are relatively prime to 19997688.
19997688 has 32 divisors, whose sum is 50601600
The reverse of 19997688 is 88679991
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 57
Digital Root 3
Name
nineteen million nine hundred ninety-seven thousand six hundred eighty-eight
Scientific notation
1.9997688 × 10^7
Engineering notation
1.9997688 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 83 × 10039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4999422
Product of the distinct prime numbers
The prime factorization of 19997688 is 2 × 2 × 2 × 3 × 83 × 10039.
Since it has a total of 6 prime factors.
4 , 5 , 63 , 89 , 793 , 886 , 750 , 2090 , 91199 , 85379 , 36775 , 62061 , 8854591 , 1816219 , 7642055 , 45235036 , 356187551 , 634816260 , 3252537627 , 8829670773
n×2
39995376
n×3
59993064
n×4
79990752
n×5
99988440
n÷2
9998844
n÷3
6665896
n÷3
4999422
n÷5
3999537.6
n2
399907525345344
n3
7.9972259207083E+21
n4
1.5992602882784E+29
n5
3.1981508275781E+36
2 √n
4471.8774580706
3 √n
271.43130170054
4 √n
66.872097754374
5 √n
28.853330982859
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 83 , 166 , 249 , 332 , 498 , 664 , 996 , 1992 , 10039 , 20078 , 30117 , 40156 , 60234 , 80312 , 120468 , 240936 , 833237 , 1666474 , 2499711 , 3332948 , 4999422 , 6665896 , 9998844 , 19997688
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19997687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19997688 can be divided by 32 positive divisors.
The sum of these divisors (counting 19997688) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100010010001111111000
3
Ternary
1101121222200010
4
Quaternary
1030102033320
5
Quinary
20104411223
6
Senary
1552341520
8
Octal
114221770
10
Decimal
19997688
12
Duodecimal
68448a0
16
Hexadecimal
13123f8
20
Vigesimal
64je48
36
Base36
bwmbc
md5
f1b3cdf1601c0b6f0d4314ab83548ed6
sha1
b5ea810083196611e8e6b1e15454c717db171c7e
sha256
bb6a2222e09d5027aeeb38fa2513f23931625e6ebafa4408448f7837c6a70b66
sha512
64519a9d719d38bfe7964bed1cf92b1c22128b25fd3c13a2e9af8a431ad83dd7f6c3a46f940763ad982bcc63e8e09e2da5ef0589b8af33f803b0eb0dd03acb61
ripemd-160
f2788690e4ebcbb800926655dc375db7b1263154
Diameter
39995376
Circumference
125649179.41916
Area
1.2563465437402E+15
Volume
3.3498701602127E+22
Surface area
5.0253861749608E+15
Circumference
125649179.41916
Perimeter
79990752
Area
399907525345344
Diagonal
28281001.585706
Surface area
2399445152072064
Volume
7.9972259207083E+21
Space diagonal
34637011.64991
Perimeter
59993064
Area
1.7316503805682E+14
Altitude
17318505.824955
Surface area
1.7316503805682E+14
Volume
9.4248211320228E+20
Height
9427000.5285686