2561409 is an odd 7-digits composite number following 2561408
and preceding 2561410 . In scientific notation, it is written as 2.561409 × 10^6.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 1617408 positive integers (up to 2561409) that are relatively prime to 2561409.
2561409 has 4 divisors, whose sum is 2566916
The reverse of 2561409 is 9041652
Previous prime number is 513
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
two million five hundred sixty-one thousand four hundred nine
Scientific notation
2.561409 × 10^6
Engineering notation
2.561409 × 10^6
Prime Factorization
513 × 4993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2561409
Product of the distinct prime numbers
The prime factorization of 2561409 is 513 × 4993.
Since it has a total of 2 prime factors.
7 , 2 , 11 , 49 , 208 , 548 , 7422 , 1298 , 42208 , 8366 , 797352 , 154270 , 2065821 , 6091240 , 93569584 , 28879573 , 939856551 , 694923818 , 2068408091 , 3446434415
n×2
5122818
n×3
7684227
n×4
10245636
n×5
12807045
n÷2
1280704.5
n÷3
853803
n÷3
640352.25
n÷5
512281.8
n2
6560816065281
n3
1.6804933316955E+19
n4
4.3044307442449E+25
n5
1.1025407648186E+32
2 √n
1600.4402519307
3 √n
136.82316859054
4 √n
40.005502770628
5 √n
19.129155002222
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
-2561408
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 2561409 can be divided by 4 positive divisors.
The sum of these divisors (counting 2561409) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001010110000001
3
Ternary
11211010121000
4
Quaternary
21301112001
5
Quinary
1123431114
6
Senary
130522213
8
Octal
11612601
10
Decimal
2561409
12
Duodecimal
a36369
16
Hexadecimal
271581
20
Vigesimal
g03a9
36
Base36
1iwe9
md5
88580b506261e1fafeca730d3f0b1527
sha1
063bbc7240bbe129ca074b22e015437eaaa14157
sha256
40f8c19af839e1b5e18828555f78fd3778ef751e33d1b4299fe758c1dabe1a61
sha512
ae80628d59b61517c270d800138c9bdfcbbfd171f64a745e5a520e2971c851953963a5d86d5b16a82c4f902407612fc745c1f92732667576e6001ea0d1dc3b06
ripemd-160
42c964e692e7a12b0cc9ad09d592b41bf18ecd79
Diameter
5122818
Circumference
16093807.394478
Area
20611411552241
Volume
7.0392340070151E+19
Surface area
82445646208963
Circumference
16093807.394478
Perimeter
10245636
Area
6560816065281
Diagonal
3622379.3465845
Surface area
39364896391686
Volume
1.6804933316955E+19
Space diagonal
4436490.5269642
Perimeter
7684227
Area
2840916691045.2
Altitude
2218245.2634821
Surface area
2840916691045.2
Volume
1.9804803843011E+18
Height
1207459.7821948