161894 is an even 6-digits composite number following 161893
and preceding 161895 . In scientific notation, it is written as 1.61894 × 10^5.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 79560 positive integers (up to 161894) that are relatively prime to 161894.
161894 has 8 divisors, whose sum is 247008
The reverse of 161894 is 498161
Previous prime number is 61
Is Prime? no
Number parity even
Number length 6
Sum of Digits 29
Digital Root 2
Name
one hundred sixty-one thousand eight hundred ninety-four
Scientific notation
1.61894 × 10^5
Engineering notation
1.61894 × 10^3
Prime Factorization
2 × 61 × 1327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161894
Product of the distinct prime numbers
The prime factorization of 161894 is 2 × 61 × 1327.
Since it has a total of 3 prime factors.
1 , 7 , 2 , 33 , 384 , 494 , 4730 , 1516 , 2703 , 65610 , 635542 , 898924 , 2740627 , 202797 , 46354567 , 39062967 , 548652790 , 285415114 , 107344330 , 9024016696
n×2
323788
n×3
485682
n×4
647576
n×5
809470
n÷2
80947
n÷3
53964.666666667
n÷3
40473.5
n÷5
32378.8
n2
26209667236
n3
4243187867504984
n4
6.8694665662185E+20
n5
1.1121254202714E+26
2 √n
402.36053484406
3 √n
54.501725389362
4 √n
20.058926562607
5 √n
11.01149157154
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
-161893
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 161894 can be divided by 8 positive divisors.
The sum of these divisors (counting 161894) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100001100110
3
Ternary
22020002002
4
Quaternary
213201212
5
Quinary
20140034
6
Senary
3245302
8
Octal
474146
10
Decimal
161894
12
Duodecimal
79832
16
Hexadecimal
27866
20
Vigesimal
104ee
36
Base36
3gx2
md5
274a7275dc4d1d7915bfb9da36be86e6
sha1
cd7c37f9bed7d5f4f2432f6147f4562537851219
sha256
02ec0b73c38aea203064be99a9363089c0ea90b3e8b7b8662960b9c87fa18f64
sha512
da2e1ea357eb15d645c3c518841fc6ac49c984451fa63bf16881202e92921e5eed08f5ea8ff080f36e22d05fa4a4e65f3d8dea6c0fd9eeaf76ef2d7f460165ae
ripemd-160
063d7e0548960145b3bff8ed4e0a1c65ef1ddacc
Diameter
323788
Circumference
1017210.0021205
Area
82340098041.651
Volume
1.7773823776473E+16
Surface area
329360392166.6
Circumference
1017210.0021205
Perimeter
647576
Area
26209667236
Diagonal
228952.69046683
Surface area
157258003416
Volume
4243187867504984
Space diagonal
280408.63344056
Perimeter
485682
Area
11349118825.556
Altitude
140204.31672028
Surface area
11349118825.556
Volume
5.0006448582688E+14
Height
76317.563488943