65561 is an odd 5-digits composite number following 65560
and preceding 65562 . In scientific notation, it is written as 6.5561 × 10^4.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 64272 positive integers (up to 65561) that are relatively prime to 65561.
65561 has 4 divisors, whose sum is 66852
The reverse of 65561 is 16556
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 23
Digital Root 5
Name
sixty-five thousand five hundred sixty-one
Scientific notation
6.5561 × 10^4
Engineering notation
6.5561 × 10^3
Prime Factorization
53 × 1237
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
65561
Product of the distinct prime numbers
The prime factorization of 65561 is 53 × 1237.
Since it has a total of 2 prime factors.
4 , 4 , 85 , 35 , 973 , 649 , 1561 , 1750 , 78983 , 59980 , 878474 , 507716 , 6375680 , 8617824 , 32683936 , 91784325 , 828504323 , 381646000 , 2835518217 , 1213795946
n×2
131122
n×3
196683
n×4
262244
n×5
327805
n÷2
32780.5
n÷3
21853.666666667
n÷3
16390.25
n÷5
13112.2
n2
4298244721
n3
281797222153481
n4
1.8474907681604E+19
n5
1.2112334225137E+24
2 √n
256.04882346928
3 √n
40.322599576765
4 √n
16.001525660676
5 √n
9.1902878428557
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
-65560
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 65561 can be divided by 4 positive divisors.
The sum of these divisors (counting 65561) is 1, the average is 0.25.
Base
System
Value
2
Binary
10000000000011001
3
Ternary
10022221012
4
Quaternary
100000121
5
Quinary
4044221
6
Senary
1223305
8
Octal
200031
10
Decimal
65561
12
Duodecimal
31b35
16
Hexadecimal
10019
20
Vigesimal
83i1
36
Base36
1el5
md5
fe11d41c342e5325fca2d2ca407828f0
sha1
4f7bff60ada24f8168812132eb431e995faa67e7
sha256
f3728bcf7f10fd88fbb44257844a997b41db0cf3b94f187992a9760acbe30e6b
sha512
5f39f200a5ac099197d4ab67dc2606e9884a2dbd6ec8f66ff8c03362a6d2ed62f5e1c8d78d128c50ca62346c41be4b14a0c262d020e939692543c1dd2b322844
ripemd-160
2de0c376ce8e9969ca2496755aa34e984ff70544
Diameter
131122
Circumference
411931.911924
Area
13503334038.825
Volume
1.1803894438925E+15
Surface area
54013336155.299
Circumference
411931.911924
Perimeter
262244
Area
4298244721
Diagonal
92717.255362742
Surface area
25789468326
Volume
281797222153481
Space diagonal
113554.98299502
Perimeter
196683
Area
1861194560.0342
Altitude
56777.491497512
Surface area
1861194560.0342
Volume
33210121117376
Height
30905.751787581