161293321 is an odd 9-digits composite number following 161293320
and preceding 161293322 . In scientific notation, it is written as 1.61293321 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 135645840 positive integers (up to 161293321) that are relatively prime to 161293321.
161293321 has 8 divisors, whose sum is 184520960
The reverse of 161293321 is 123392161
Previous prime number is 22177
Is Prime? no Number parity odd Number length 9 Sum of Digits 28 Digital Root 1
Name
one hundred sixty-one million two hundred ninety-three thousand three hundred twenty-one
Scientific notation
1.61293321 × 10^8
Engineering notation
1.61293321 × 10^6
Prime Factorization
7 × 22177 × 1039
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
161293321 Product of the distinct prime numbers
The prime factorization of 161293321 is 7 × 22177 × 1039.
Since it has a total of 3 prime factors.
3 , 5 , 7 , 20 , 742 , 998 , 8439 , 8681 , 82609 , 33394 , 424416 , 16262 , 2650790 , 3446936 , 48953057 , 56994015 , 404710729 , 300813524 , 9890274466 , 2735430971
n×2
322586642
n×3
483879963
n×4
645173284
n×5
806466605
n÷2
80646660.5
n÷3
53764440.333333
n÷3
40323330.25
n÷5
32258664.2
n2
26015535399209041
n3
4.1961321021315E+24
n4
6.768080821075E+32
n5
1.0916462324276E+41
2 √n12700.130747358
3 √n544.34235519158
4 √n112.69485679195
5 √n43.804958861263
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161293320 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161293321 can be divided by 8 positive divisors.
The sum of these divisors (counting 161293321) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111010010010000001001
3
Ternary
102020111112211201
4
Quaternary
21213102100021
5
Quinary
312242341241
6
Senary
24001024201
8
Octal
1147222011
10
Decimal
161293321
12
Duodecimal
46025061
16
Hexadecimal
99d2409
20
Vigesimal
2a81d61
36
Base36
2o12q1
md5
95e437be49262f57b5bdb62d07aef6eb
sha1
0679a4bdc66c52be80c888f20201aa9a2d670c04
sha256
f118416919fe7e5e9e872514ecb11d7c13a5816332644a05870256c038d2ff8f
sha512
05b64b90c9d58f3b7619ca1eefa43d3d7c3917c3a9b877b099111a8e72dde07005cb02f60f738cfd8181c729a6263c6b13011387713eb6abaa5eb1b34f57ce5d
ripemd-160
fc71c34484f760bef2c3ae82b510a9d8b9cbb58c
Diameter
322586642
Circumference
1013435824.6534
Area
8.173021488936E+16
Volume
1.7576717047398E+25
Surface area
3.2692085955744E+17
Circumference
1013435824.6534
Perimeter
645173284
Area
26015535399209041
Diagonal
228103202.0784
Surface area
156093212395254246
Volume
4.1961321021315E+24
Space diagonal
279368226.89352
Perimeter
483879963
Area
1.1265057274384E+16
Altitude
139684113.44676
Surface area
1.1265057274384E+16
Volume
4.9451891069529E+23
Height
76034400.692799