161093921 is an odd 9-digits composite number following 161093920
and preceding 161093922 . In scientific notation, it is written as 1.61093921 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 151617792 positive integers (up to 161093921) that are relatively prime to 161093921.
161093921 has 4 divisors, whose sum is 170570052
The reverse of 161093921 is 129390161
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred sixty-one million ninety-three thousand nine hundred twenty-one
Scientific notation
1.61093921 × 10^8
Engineering notation
1.61093921 × 10^6
Prime Factorization
17 × 9476113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161093921
Product of the distinct prime numbers
The prime factorization of 161093921 is 17 × 9476113.
Since it has a total of 2 prime factors.
4 , 4 , 81 , 94 , 841 , 457 , 761 , 2421 , 47794 , 1455 , 417542 , 420543 , 4886755 , 4693628 , 60976754 , 5613594 , 344529803 , 284089301 , 9715829868 , 6225522406
n×2
322187842
n×3
483281763
n×4
644375684
n×5
805469605
n÷2
80546960.5
n÷3
53697973.666667
n÷3
40273480.25
n÷5
32218784.2
n2
25951251383154241
n3
4.180588840169E+24
n4
6.7346744835166E+32
n5
1.0849151192083E+41
2 √n
12692.278006725
3 √n
544.11794700521
4 √n
112.66001068136
5 √n
43.794122663846
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
-161093920
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 161093921 can be divided by 4 positive divisors.
The sum of these divisors (counting 161093921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100001100100100001
3
Ternary
102020010102022112
4
Quaternary
21212201210201
5
Quinary
312220001141
6
Senary
23552445105
8
Octal
1146414441
10
Decimal
161093921
12
Duodecimal
45b49795
16
Hexadecimal
99a1921
20
Vigesimal
2a6geg1
36
Base36
2nwsv5
md5
02019855d3bef9cda3fa2c47b38ad687
sha1
1bde110448442f05c3293562f46dbbcfbddb69ad
sha256
b8aec92d4571095ce8404ed569f7031a0efb72ea05013f7ea6f9c134d98a3f95
sha512
9b5a0c6ce5991df28589041a5cc78acf850b854fc35d741e4a21010b67cdae0d9694ac6db959c9c7574cd524f387b07df678c1808c02827596008818bfd7cc2d
ripemd-160
b2b8fe0045a627f7cf0ca71fd173ca2e7679b898
Diameter
322187842
Circumference
1012182957.5031
Area
8.1528260696779E+16
Volume
1.7511609583939E+25
Surface area
3.2611304278712E+17
Circumference
1012182957.5031
Perimeter
644375684
Area
25951251383154241
Diagonal
227821207.89406
Surface area
155707508298925446
Volume
4.180588840169E+24
Space diagonal
279022855.96249
Perimeter
483281763
Area
1.1237221478904E+16
Altitude
139511427.98124
Surface area
1.1237221478904E+16
Volume
4.9268711970605E+23
Height
75940402.631353