201681 is an odd 6-digits composite number following 201680
and preceding 201682 . In scientific notation, it is written as 2.01681 × 10^5.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 134448 positive integers (up to 201681) that are relatively prime to 201681.
201681 has 4 divisors, whose sum is 224100
The reverse of 201681 is 186102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 18
Digital Root 9
Name
two hundred one thousand six hundred eighty-one
Scientific notation
2.01681 × 10^5
Engineering notation
2.01681 × 10^3
Prime Factorization
9 × 22409
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201681
Product of the distinct prime numbers
The prime factorization of 201681 is 9 × 22409.
Since it has a total of 2 prime factors.
9 , 5 , 98 , 45 , 779 , 652 , 2464 , 9663 , 85259 , 20132 , 750659 , 261792 , 9923481 , 6726262 , 33367676 , 23447567 , 213921119 , 903807970 , 2773974843 , 7837702961
n×2
403362
n×3
605043
n×4
806724
n×5
1008405
n÷2
100840.5
n÷3
67227
n÷3
50420.25
n÷5
40336.2
n2
40675225761
n3
8203420206704241
n4
1.6544739907083E+21
n5
3.3367596892004E+26
2 √n
449.0890780235
3 √n
58.643740324382
4 √n
21.191721922097
5 √n
11.50622857585
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
-201680
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 201681 can be divided by 4 positive divisors.
The sum of these divisors (counting 201681) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001111010001
3
Ternary
101020122200
4
Quaternary
301033101
5
Quinary
22423211
6
Senary
4153413
8
Octal
611721
10
Decimal
201681
12
Duodecimal
98869
16
Hexadecimal
313d1
20
Vigesimal
15441
36
Base36
4bm9
md5
1aca657e217b0bc8aeb8ffd110a68198
sha1
aa4ddf60e7223424822352a34a1585c1b4e25455
sha256
7dd85427016a5e8da9bb82a5eac9037023cbcf947b6ca92835c281a0824d3189
sha512
7994e3c81020599fcda5b6057721f730cbe18c3fe97f24a6426219247274637f5dff3dd5da35a8973d1ae04a6c7b0970188d683353d639a5b91cae7ae034d7b1
ripemd-160
084553dea2b2f77202bf2239eee5fce14046515f
Diameter
403362
Circumference
1267199.0959373
Area
127784990433.86
Volume
3.4362406207589E+16
Surface area
511139961735.46
Circumference
1267199.0959373
Perimeter
806724
Area
40675225761
Diagonal
285220.00547297
Surface area
244051354566
Volume
8203420206704241
Space diagonal
349321.7389213
Perimeter
605043
Area
17612889406.847
Altitude
174660.86946065
Surface area
17612889406.847
Volume
9.6678234284722E+14
Height
95073.335157656