19997235 is an odd 8-digits composite number following 19997234
and preceding 19997236 . In scientific notation, it is written as 1.9997235 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 10128096 positive integers (up to 19997235) that are relatively prime to 19997235.
19997235 has 12 divisors, whose sum is 21484944
The reverse of 19997235 is 53279991
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred ninety-seven thousand two hundred thirty-five
Scientific notation
1.9997235 × 10^7
Engineering notation
1.9997235 × 10^6
Prime Factorization
45 × 23 × 139 × 139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
143865
Product of the distinct prime numbers
The prime factorization of 19997235 is 45 × 23 × 139 × 139.
Since it has a total of 4 prime factors.
10 , 3 , 49 , 39 , 15 , 64 , 601 , 191 , 4207 , 75346 , 151600 , 751469 , 792044 , 3420368 , 11289269 , 5960320 , 939734662 , 330581143 , 3435736604 , 5905690415
n×2
39994470
n×3
59991705
n×4
79988940
n×5
99986175
n÷2
9998617.5
n÷3
6665745
n÷3
4999308.75
n÷5
3999447
n2
399889407645225
n3
7.9966824586924E+21
n4
1.5991153834685E+29
n5
3.1977886115334E+36
2 √n
4471.8268079164
3 √n
271.42925214181
4 √n
66.871719044125
5 √n
28.853200260974
1 , 23 , 45 , 139 , 1035 , 3197 , 6255 , 19321 , 143865 , 444383 , 869445 , 19997235
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19997234
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19997235 can be divided by 12 positive divisors.
The sum of these divisors (counting 19997235) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010010001000110011
3
Ternary
1101121222001100
4
Quaternary
1030102020303
5
Quinary
20104402420
6
Senary
1552335443
8
Octal
114221063
10
Decimal
19997235
12
Duodecimal
6844583
16
Hexadecimal
1312233
20
Vigesimal
64jd1f
36
Base36
bwlyr
md5
93dba13af8f57048f3ba5cdc6c74c04f
sha1
8e09170cb00fe71b50c9bb8c9e8b8d6b021d2bfe
sha256
9b6347da835f0f17370a49c66cbc14598de14bf76135b4097600f98a207028f5
sha512
1a87e44df35a1ba3ce827942e9885c0c4eebbcf952c5475e8237b9c0f7492011362ea6adf5f32432760cd7f0bc1c44b10a6d9d6a94f86974a45ff273482f9b9e
ripemd-160
c46031aca026cae381837de4318264aaf6f9f517
Diameter
39994470
Circumference
125646333.13622
Area
1.2562896253066E+15
Volume
3.3496425153758E+22
Surface area
5.0251585012265E+15
Circumference
125646333.13622
Perimeter
79988940
Area
399889407645225
Diagonal
28280360.946962
Surface area
2399336445871350
Volume
7.9966824586924E+21
Space diagonal
34636227.030895
Perimeter
59991705
Area
1.7315719286254E+14
Altitude
17318113.515447
Surface area
1.7315719286254E+14
Volume
9.4241806558948E+20
Height
9426786.9823206