161293331 is an odd 9-digits composite number following 161293330
and preceding 161293332 . In scientific notation, it is written as 1.61293331 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 143431680 positive integers (up to 161293331) that are relatively prime to 161293331.
161293331 has 16 divisors, whose sum is 180455040
The reverse of 161293331 is 133392161
Previous prime number is 29
Is Prime? no Number parity odd Number length 9 Sum of Digits 29 Digital Root 2
Name
one hundred sixty-one million two hundred ninety-three thousand three hundred thirty-one
Scientific notation
1.61293331 × 10^8
Engineering notation
1.61293331 × 10^6
Prime Factorization
17 × 47 × 29 × 6961
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
161293331 Product of the distinct prime numbers
The prime factorization of 161293331 is 17 × 47 × 29 × 6961.
Since it has a total of 4 prime factors.
5 , 1 , 45 , 82 , 420 , 873 , 5079 , 7158 , 7379 , 96298 , 332817 , 515629 , 6077768 , 2168086 , 62469233 , 71945796 , 5572478 , 391663323 , 1789189527 , 7450282220
n×2
322586662
n×3
483879993
n×4
645173324
n×5
806466655
n÷2
80646665.5
n÷3
53764443.666667
n÷3
40323332.75
n÷5
32258666.2
n2
26015538625075561
n3
4.1961328825976E+24
n4
6.768082499528E+32
n5
1.0916465708317E+41
2 √n12700.131141055
3 √n544.34236644111
4 √n112.69485853869
5 √n43.804959404434
1 , 17 , 29 , 47 , 493 , 799 , 1363 , 6961 , 23171 , 118337 , 201869 , 327167 , 3431773 , 5561839 , 9487843 , 161293331
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161293330 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161293331 can be divided by 16 positive divisors.
The sum of these divisors (counting 161293331) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010010010000010011
3
Ternary
102020111112212002
4
Quaternary
21213102100103
5
Quinary
312242341311
6
Senary
24001024215
8
Octal
1147222023
10
Decimal
161293331
12
Duodecimal
4602506b
16
Hexadecimal
99d2413
20
Vigesimal
2a81d6b
36
Base36
2o12qb
md5
cfca67714b3984d62922168c340d26ad
sha1
ea0686b1674e9ad54176f44e80b3747593b15c1e
sha256
d4cada0b62ca9fdb663b3820955282d895e2882d9bf2d63e6d77b697c3356dbe
sha512
be0d359fa6b77748e6b326b876d82f670358d0a3f02bae9bdbcdf50a8a64af6821d95692dd91e2e86132529732bff648a8260c79983329017a3962d4567139ba
ripemd-160
6ad28f25bec415a8f73431b29cff1e198b6e8903
Diameter
322586662
Circumference
1013435887.4853
Area
8.1730225023719E+16
Volume
1.7576720316607E+25
Surface area
3.2692090009488E+17
Circumference
1013435887.4853
Perimeter
645173324
Area
26015538625075561
Diagonal
228103216.22053
Surface area
156093231750453366
Volume
4.1961328825976E+24
Space diagonal
279368244.21402
Perimeter
483879993
Area
1.1265058671225E+16
Altitude
139684122.10701
Surface area
1.1265058671225E+16
Volume
4.945190026741E+23
Height
76034405.406844