201561 is an odd 6-digits composite number following 201560
and preceding 201562 . In scientific notation, it is written as 2.01561 × 10^5.
The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors.
There are 134372 positive integers (up to 201561) that are relatively prime to 201561.
201561 has 4 divisors, whose sum is 268752
The reverse of 201561 is 165102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 15
Digital Root 6
Name
two hundred one thousand five hundred sixty-one
Scientific notation
2.01561 × 10^5
Engineering notation
2.01561 × 10^3
Prime Factorization
3 × 67187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201561
Product of the distinct prime numbers
The prime factorization of 201561 is 3 × 67187.
Since it has a total of 2 prime factors.
8 , 1 , 51 , 69 , 113 , 397 , 2765 , 1445 , 36759 , 31591 , 323563 , 746951 , 5601145 , 1325078 , 95261961 , 12168343 , 601673070 , 39116981 , 6777709400 , 8970122832
n×2
403122
n×3
604683
n×4
806244
n×5
1007805
n÷2
100780.5
n÷3
67187
n÷3
50390.25
n÷5
40312.2
n2
40626836721
n3
8188785836321481
n4
1.6505398619548E+21
n5
3.3268446511547E+26
2 √n
448.95545436045
3 √n
58.632107027213
4 √n
21.188568954992
5 √n
11.50485901088
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
-201560
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 201561 can be divided by 4 positive divisors.
The sum of these divisors (counting 201561) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001101011001
3
Ternary
101020111020
4
Quaternary
301031121
5
Quinary
22422221
6
Senary
4153053
8
Octal
611531
10
Decimal
201561
12
Duodecimal
98789
16
Hexadecimal
31359
20
Vigesimal
153i1
36
Base36
4bix
md5
815deb6cc3800ee7797eb4e15442697a
sha1
15cccfbdfa2c7b30731f1be2df305d1cd544772b
sha256
4d60f7d312d438617527ddb58164aaef00bd156366628c8f0690ad5886bbf2f7
sha512
da173a825d2fcadc62408cd969994f872c8a0b5b44d060ab25eacaf88f778715baa5452893ccf56d45125c08b0d21b683928148cd42cac9a858841c6701274c4
ripemd-160
c9768d71017414bc707473ecf9249026177690f7
Diameter
403122
Circumference
1266445.1137004
Area
127632971781.29
Volume
3.4301105900277E+16
Surface area
510531887125.14
Circumference
1266445.1137004
Perimeter
806244
Area
40626836721
Diagonal
285050.29984548
Surface area
243761020326
Volume
8188785836321481
Space diagonal
349113.89282439
Perimeter
604683
Area
17591936337.894
Altitude
174556.9464122
Surface area
17591936337.894
Volume
9.6505766575788E+14
Height
95016.766615161