161342665 is an odd 9-digits composite number following 161342664
and preceding 161342666 . In scientific notation, it is written as 1.61342665 × 10^8.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 107842560 positive integers (up to 161342665) that are relatively prime to 161342665.
161342665 has 32 divisors, whose sum is 228894336
The reverse of 161342665 is 566243161
Previous prime number is 43
Is Prime? no Number parity odd Number length 9 Sum of Digits 34 Digital Root 7
Name
one hundred sixty-one million three hundred forty-two thousand six hundred sixty-five
Scientific notation
1.61342665 × 10^8
Engineering notation
1.61342665 × 10^6
Prime Factorization
17 × 5 × 11 × 43 × 4013
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
161342665 Product of the distinct prime numbers
The prime factorization of 161342665 is 17 × 5 × 11 × 43 × 4013.
Since it has a total of 5 prime factors.
10 , 3 , 17 , 35 , 873 , 556 , 9634 , 3406 , 83594 , 99691 , 440610 , 448387 , 5525078 , 9747572 , 77077646 , 75680758 , 235409607 , 910939355 , 9265043329 , 6871962651
n×2
322685330
n×3
484027995
n×4
645370660
n×5
806713325
n÷2
80671332.5
n÷3
53780888.333333
n÷3
40335666.25
n÷5
32268533
n2
26031455549302225
n3
4.1999844121535E+24
n4
6.776366780153E+32
n5
1.0933170753274E+41
2 √n12702.073255969
3 √n544.39785922692
4 √n112.70347490636
5 √n43.807638758259
1 , 5 , 11 , 17 , 43 , 55 , 85 , 187 , 215 , 473 , 731 , 935 , 2365 , 3655 , 4013 , 8041 , 20065 , 40205 , 44143 , 68221 , 172559 , 220715 , 341105 , 750431 , 862795 , 1898149 , 2933503 , 3752155 , 9490745 , 14667515 , 32268533 , 161342665
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161342664 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161342665 can be divided by 32 positive divisors.
The sum of these divisors (counting 161342665) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111011110010011001001
3
Ternary
102020121001112021
4
Quaternary
21213132103021
5
Quinary
312300431130
6
Senary
24002044441
8
Octal
1147362311
10
Decimal
161342665
12
Duodecimal
46049721
16
Hexadecimal
99de4c9
20
Vigesimal
2a87gd5
36
Base36
2o24sp
md5
854718395a71180e69f680e013262220
sha1
18cc84116a68366847b20794cc0b4b6b120aa3fe
sha256
8cce8d907db292dda2b3c26accce8f69dc3449f773b0ab640de4d53047896396
sha512
924dcb99e248d81e2265ff8ae2778a62e4b8e368af5eb73dc4b91fe4cd44afc34b6042f10a8ffa4d1a02b8c8c05db0fc19977bb06ed5a5d90acdf3252071e124
ripemd-160
3ae9ea2b20646a3308debf57bb6b850429982a5e
Diameter
322685330
Circumference
1013745862.1492
Area
8.1780229515937E+16
Volume
1.7592853565884E+25
Surface area
3.2712091806375E+17
Circumference
1013745862.1492
Perimeter
645370660
Area
26031455549302225
Diagonal
228172985.03242
Surface area
156188733295813350
Volume
4.1999844121535E+24
Space diagonal
279453693.20856
Perimeter
484027995
Area
1.1271950901591E+16
Altitude
139726846.60428
Surface area
1.1271950901591E+16
Volume
4.9497290978525E+23
Height
76057661.677473