25405 is an odd 5-digits composite number following 25404
and preceding 25406 . In scientific notation, it is written as 2.5405 × 10^4.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 20320 positive integers (up to 25405) that are relatively prime to 25405.
25405 has 4 divisors, whose sum is 30492
The reverse of 25405 is 50452
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 16
Digital Root 7
Name
twenty-five thousand four hundred five
Scientific notation
2.5405 × 10^4
Engineering notation
2.5405 × 10^3
Prime Factorization
5 × 5081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
25405
Product of the distinct prime numbers
The prime factorization of 25405 is 5 × 5081.
Since it has a total of 2 prime factors.
4 , 5 , 82 , 13 , 832 , 751 , 8417 , 7792 , 36453 , 99275 , 868991 , 97495 , 4373112 , 9329125 , 81693370 , 65695347 , 129885754 , 593894295 , 7882379906 , 2036767887
n×2
50810
n×3
76215
n×4
101620
n×5
127025
n÷2
12702.5
n÷3
8468.3333333333
n÷3
6351.25
n÷5
5081
n2
645414025
n3
16396743305125
n4
416559263666700625
n5
1.0582688093453E+22
2 √n
159.38946012833
3 √n
29.397229288307
4 √n
12.624953866384
5 √n
7.6029798563288
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
-25404
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 25405 can be divided by 4 positive divisors.
The sum of these divisors (counting 25405) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100111101
3
Ternary
1021211221
4
Quaternary
12030331
5
Quinary
1303110
6
Senary
313341
8
Octal
61475
10
Decimal
25405
12
Duodecimal
12851
16
Hexadecimal
633d
20
Vigesimal
33a5
36
Base36
jlp
md5
46c6a6c72edf42b1335217a9eb4b2325
sha1
d6db9569512abe816506240a4da34c360b7b334f
sha256
5d43f2f604a39b9ec146d7e8bde50a91fb748ebd85461256c9247311b8f80a01
sha512
9a511ff7a947e7ea99f38d9d6669f6ef0ac71d066066c90680bcb8762b29c96b67e197763095fa0051838de4c2755eb638368fb1db4efe6994f33f201620881c
ripemd-160
dfcc2fce6af326e4bca4b733d06e01409b6e0154
Diameter
50810
Circumference
159624.3227289
Area
2027627959.4638
Volume
68682517746904
Surface area
8110511837.8553
Circumference
159624.3227289
Perimeter
101620
Area
645414025
Diagonal
35928.095552088
Surface area
3872484150
Volume
16396743305125
Space diagonal
44002.750766287
Perimeter
76215
Area
279472470.80438
Altitude
22001.375383144
Surface area
279472470.80438
Volume
1932374730071.5
Height
11976.031850696