19931491 is an odd 8-digits composite number following 19931490
and preceding 19931492 . In scientific notation, it is written as 1.9931491 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 19919632 positive integers (up to 19931491) that are relatively prime to 19931491.
19931491 has 4 divisors, whose sum is 19943352
The reverse of 19931491 is 19413991
Previous prime number is 2027
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million nine hundred thirty-one thousand four hundred ninety-one
Scientific notation
1.9931491 × 10^7
Engineering notation
1.9931491 × 10^6
Prime Factorization
2027 × 9833
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19931491
Product of the distinct prime numbers
The prime factorization of 19931491 is 2027 × 9833.
Since it has a total of 2 prime factors.
10 , 4 , 64 , 47 , 97 , 873 , 5425 , 6146 , 94640 , 32966 , 412080 , 602330 , 627791 , 803158 , 74715415 , 99578277 , 177047261 , 550662971 , 3829123137 , 2429159234
n×2
39862982
n×3
59794473
n×4
79725964
n×5
99657455
n÷2
9965745.5
n÷3
6643830.3333333
n÷3
4982872.75
n÷5
3986298.2
n2
397264333483081
n3
7.918070487439E+21
n4
1.5781895065776E+29
n5
3.1455669946645E+36
2 √n
4464.4698453456
3 √n
271.13147036607
4 √n
66.816688374579
5 √n
28.834203391622
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19931490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19931491 can be divided by 4 positive divisors.
The sum of these divisors (counting 19931491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100000010000101100011
3
Ternary
1101111121212101
4
Quaternary
1030002011203
5
Quinary
20100301431
6
Senary
1551111231
8
Octal
114020543
10
Decimal
19931491
12
Duodecimal
6812517
16
Hexadecimal
1302163
20
Vigesimal
64b8eb
36
Base36
bv78j
md5
387b8d1899164e13cb9155f15e7fbd0f
sha1
5c5b2b64cda75b20de10fd83fb03d60cf6f41c58
sha256
ccb907c9ae0e328ad03e1b028776b34b8e0cecd8b2d6a2175c4d00aea121196d
sha512
9e42638257a685033bd1d27fe1f85b2f3110b9ec9547c281f76f16af806a90729ec63f07803d643a3c449c8eff8a7635265d356f0f398f6eda5c48a86d8a6cca
ripemd-160
9a6dcbc67e0e1be00b613e8e0d51eb94b62facfc
Diameter
39862982
Circumference
125233251.40138
Area
1.2480427116037E+15
Volume
3.3167136098593E+22
Surface area
4.9921708464148E+15
Circumference
125233251.40138
Perimeter
79725964
Area
397264333483081
Diagonal
28187384.890517
Surface area
2383586000898486
Volume
7.918070487439E+21
Space diagonal
34522355.082602
Perimeter
59794473
Area
1.7202050240692E+14
Altitude
17261177.541301
Surface area
1.7202050240692E+14
Volume
9.331535559302E+20
Height
9395794.9635058