161505493 is an odd 9-digits composite number following 161505492
and preceding 161505494 . In scientific notation, it is written as 1.61505493 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 161274400 positive integers (up to 161505493) that are relatively prime to 161505493.
161505493 has 4 divisors, whose sum is 161736588
The reverse of 161505493 is 394505161
Previous prime number is 701
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred sixty-one million five hundred five thousand four hundred ninety-three
Scientific notation
1.61505493 × 10^8
Engineering notation
1.61505493 × 10^6
Prime Factorization
701 × 230393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161505493
Product of the distinct prime numbers
The prime factorization of 161505493 is 701 × 230393.
Since it has a total of 2 prime factors.
9 , 5 , 6 , 81 , 735 , 319 , 1598 , 3100 , 31995 , 68015 , 583305 , 78561 , 7312228 , 4004530 , 6744079 , 78311861 , 153245795 , 455042846 , 4294143237 , 720346739
n×2
323010986
n×3
484516479
n×4
646021972
n×5
807527465
n÷2
80752746.5
n÷3
53835164.333333
n÷3
40376373.25
n÷5
32301098.6
n2
26084024269173049
n3
4.2127131990168E+24
n4
6.8037632207481E+32
n5
1.0988451332222E+41
2 √n
12708.481144496
3 √n
544.5809341988
4 √n
112.7318994096
5 √n
43.816477378143
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
-161505492
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 161505493 can be divided by 4 positive divisors.
The sum of these divisors (counting 161505493) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000110000011010101
3
Ternary
102020220022212221
4
Quaternary
21220012003111
5
Quinary
312321133433
6
Senary
24005342341
8
Octal
1150060325
10
Decimal
161505493
12
Duodecimal
461079b1
16
Hexadecimal
9a060d5
20
Vigesimal
2a983ed
36
Base36
2o5mfp
md5
ff4a4292acec8e215e6cf9d791969c42
sha1
d007ba9eb5e114cc40d30322b0b72126f677fab2
sha256
2f97b90e342aa21cf04c536d27d23208769d5ed517570a0cb6761c8ec3283dee
sha512
cb35fef0e3155314dad3bfdb890705a2e77f80c80d8fe17968c4933367ef22360224b12cc23a24ab3c1ca45b965b7962278994def256b5a0fdf9708fd77f2db4
ripemd-160
25a92a24699c2ff4fa528ad28453e60300058241
Diameter
323010986
Circumference
1014768940.6464
Area
8.1945379020092E+16
Volume
1.7646171783616E+25
Surface area
3.2778151608037E+17
Circumference
1014768940.6464
Perimeter
646021972
Area
26084024269173049
Diagonal
228403258.59835
Surface area
156504145615038294
Volume
4.2127131990168E+24
Space diagonal
279735719.57746
Perimeter
484516479
Area
1.1294713825017E+16
Altitude
139867859.78873
Surface area
1.1294713825017E+16
Volume
4.9647301170314E+23
Height
76134419.532784