2561421 is an odd 7-digits composite number following 2561420
and preceding 2561422 . In scientific notation, it is written as 2.561421 × 10^6.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 1707612 positive integers (up to 2561421) that are relatively prime to 2561421.
2561421 has 4 divisors, whose sum is 3415232
The reverse of 2561421 is 1241652
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 21
Digital Root 3
Name
two million five hundred sixty-one thousand four hundred twenty-one
Scientific notation
2.561421 × 10^6
Engineering notation
2.561421 × 10^6
Prime Factorization
3 × 853807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2561421
Product of the distinct prime numbers
The prime factorization of 2561421 is 3 × 853807.
Since it has a total of 2 prime factors.
3 , 2 , 55 , 38 , 200 , 795 , 7490 , 2916 , 46292 , 306 , 526844 , 239043 , 7757413 , 3960480 , 75652708 , 76319681 , 309041308 , 201052813 , 3877794423 , 2324833591
n×2
5122842
n×3
7684263
n×4
10245684
n×5
12807105
n÷2
1280710.5
n÷3
853807
n÷3
640355.25
n÷5
512284.2
n2
6560877539241
n3
1.680516950744E+19
n4
4.3045114084917E+25
n5
1.102566591645E+32
2 √n
1600.4440008948
3 √n
136.82338225881
4 √n
40.005549626205
5 √n
19.129172925906
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
-2561420
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 2561421 can be divided by 4 positive divisors.
The sum of these divisors (counting 2561421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001010110001101
3
Ternary
11211010121110
4
Quaternary
21301112031
5
Quinary
1123431141
6
Senary
130522233
8
Octal
11612615
10
Decimal
2561421
12
Duodecimal
a36379
16
Hexadecimal
27158d
20
Vigesimal
g03b1
36
Base36
1iwel
md5
9309a000687082fa3aa208c40ccca8e6
sha1
05b74d3927f28e054c58322f7223d1848158305a
sha256
a44620242e987f5e83ddb7a85c4a603296c6f170ac555d8bab0c79e109f986a1
sha512
d705cd85214dce5a26be6012d166b5f152d02e996b73bbc5c4ae289766d908e3ce6728cc890e82992268e88b39ade1adef9b62eb08e22a1f228e1e21e7bb6ec2
ripemd-160
efecf4420493f080e0693b5917558783b6711f93
Diameter
5122842
Circumference
16093882.792701
Area
20611604678382
Volume
7.0393329422541E+19
Surface area
82446418713527
Circumference
16093882.792701
Perimeter
10245684
Area
6560877539241
Diagonal
3622396.3171473
Surface area
39365265235446
Volume
1.680516950744E+19
Space diagonal
4436511.3115739
Perimeter
7684263
Area
2840943310050.7
Altitude
2218255.6557869
Surface area
2840943310050.7
Volume
1.9805082196167E+18
Height
1207465.4390491