61405 is an odd 5-digits composite number following 61404
and preceding 61406 . In scientific notation, it is written as 6.1405 × 10^4.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 49120 positive integers (up to 61405) that are relatively prime to 61405.
61405 has 4 divisors, whose sum is 73692
The reverse of 61405 is 50416
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 16
Digital Root 7
Name
sixty-one thousand four hundred five
Scientific notation
6.1405 × 10^4
Engineering notation
6.1405 × 10^3
Prime Factorization
5 × 12281
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61405
Product of the distinct prime numbers
The prime factorization of 61405 is 5 × 12281.
Since it has a total of 2 prime factors.
2 , 3 , 3 , 84 , 102 , 989 , 9991 , 3296 , 23305 , 49762 , 750918 , 892097 , 80890 , 3294567 , 20951010 , 47444229 , 70685005 , 775119627 , 5339172643 , 1822402572
n×2
122810
n×3
184215
n×4
245620
n×5
307025
n÷2
30702.5
n÷3
20468.333333333
n÷3
15351.25
n÷5
12281
n2
3770574025
n3
231532098005125
n4
1.4217228478005E+19
n5
8.7300891469188E+23
2 √n
247.80032284079
3 √n
39.451898934222
4 √n
15.741674715252
5 √n
9.0706988221843
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
-61404
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 61405 can be divided by 4 positive divisors.
The sum of these divisors (counting 61405) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111111011101
3
Ternary
10010020021
4
Quaternary
32333131
5
Quinary
3431110
6
Senary
1152141
8
Octal
167735
10
Decimal
61405
12
Duodecimal
2b651
16
Hexadecimal
efdd
20
Vigesimal
7da5
36
Base36
1bdp
md5
17c85a939e5ee1b0b0e00ed7187d11f7
sha1
bf1544d8ab1287eb6ba12d045db81bac1eb1de02
sha256
f0f10ab5c24e2ed60c73cc0d841ea27f1c4581521465a9455e832e57bf47cf70
sha512
6330aa02bdbb6616d0c1b6563ee9e89451d82ede22e3f4656f3f3665fc9c0aa9fe07886b6f85e7f775d9053231e3e654208337a51b3337e5470fc5eeacf4c39f
ripemd-160
9c09da7037f33ab80c0b2162e67236b166712f24
Diameter
122810
Circumference
385818.99378736
Area
11845607656.756
Volume
9.6983938421751E+14
Surface area
47382430627.026
Circumference
385818.99378736
Perimeter
245620
Area
3770574025
Diagonal
86839.78379752
Surface area
22623444150
Volume
231532098005125
Space diagonal
106356.57983877
Perimeter
184215
Area
1632706446.2499
Altitude
53178.289919383
Surface area
1632706446.2499
Volume
27286319426962
Height
28946.594599173