30871242 is an even 8-digits composite number following 30871241
and preceding 30871243 . In scientific notation, it is written as 3.0871242 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 10272960 positive integers (up to 30871242) that are relatively prime to 30871242.
30871242 has 24 divisors, whose sum is 67001220
The reverse of 30871242 is 24217803
Previous prime number is 2089
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty million eight hundred seventy-one thousand two hundred forty-two
Scientific notation
3.0871242 × 10^7
Engineering notation
3.0871242 × 10^6
Prime Factorization
2 × 3 × 3 × 2089 × 821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10290414
Product of the distinct prime numbers
The prime factorization of 30871242 is 2 × 3 × 3 × 2089 × 821.
Since it has a total of 5 prime factors.
7 , 8 , 12 , 61 , 321 , 786 , 6445 , 8497 , 79786 , 30289 , 634997 , 773342 , 2579689 , 6115420 , 2379438 , 6908082 , 500157632 , 291632239 , 1775971874 , 5951834957
n×2
61742484
n×3
92613726
n×4
123484968
n×5
154356210
n÷2
15435621
n÷3
10290414
n÷3
7717810.5
n÷5
6174248.4
n2
953033582622564
n3
2.9421330363268E+22
n4
9.082730096064E+29
n5
2.8039515881627E+37
2 √n
5556.1895216056
3 √n
313.70253923561
4 √n
74.539851902225
5 √n
31.471020107291
1 , 2 , 3 , 6 , 9 , 18 , 821 , 1642 , 2089 , 2463 , 4178 , 4926 , 6267 , 7389 , 12534 , 14778 , 18801 , 37602 , 1715069 , 3430138 , 5145207 , 10290414 , 15435621 , 30871242
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30871241
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30871242 can be divided by 24 positive divisors.
The sum of these divisors (counting 30871242) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110101110000111011001010
3
Ternary
2011002102101100
4
Quaternary
1311300323022
5
Quinary
30400334432
6
Senary
3021402230
8
Octal
165607312
10
Decimal
30871242
12
Duodecimal
a409376
16
Hexadecimal
1d70eca
20
Vigesimal
9cii22
36
Base36
idoei
md5
f3830ffef075679098eb8e428838d121
sha1
3979437e357be14f294a3e812be94fe2ce794fd9
sha256
44613996e1fb11b5dcf3eb4364eb8434581a33dc77c0eaabf29acf9c0c344372
sha512
fe184efa7794ad65558d1fe6244db270eb62c99425437c1a16e925be0882c9c7e4aea4ebb853eecd032a2c8c3faba7aada7cd17de804c4ce4694f0ad79db2713
ripemd-160
5d567468b390a9cb8d7ade5a3165e70471466c14
Diameter
61742484
Circumference
193969734.14879
Area
2.9940433017914E+15
Volume
1.2323978043744E+23
Surface area
1.1976173207166E+16
Circumference
193969734.14879
Perimeter
123484968
Area
953033582622564
Diagonal
43658529.123702
Surface area
5718201495735384
Volume
2.9421330363268E+22
Space diagonal
53470559.636754
Perimeter
92613726
Area
4.1267564660542E+14
Altitude
26735279.818377
Surface area
4.1267564660542E+14
Volume
3.4673370352328E+21
Height
14552843.041234