25561621 is an odd 8-digits prime number following 25561620
and preceding 25561622 . In scientific notation, it is written as 2.5561621 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 25561620 positive integers (up to 25561621) that are relatively prime to 25561621.
25561621 has 2 divisors, whose sum is 25561622
The reverse of 25561621 is 12616552
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-five million five hundred sixty-one thousand six hundred twenty-one
Scientific notation
2.5561621 × 10^7
Engineering notation
2.5561621 × 10^6
Prime Factorization
25561621
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
25561621
Product of the distinct prime numbers
The prime factorization of 25561621 is 25561621.
Since it has a total of 1 prime factors.
7 , 4 , 57 , 81 , 312 , 207 , 5142 , 6986 , 27663 , 10328 , 295450 , 962256 , 6238006 , 5489307 , 36059902 , 2732722 , 3010206 , 174676344 , 6206693202 , 1924096586
n×2
51123242
n×3
76684863
n×4
102246484
n×5
127808105
n÷2
12780810.5
n÷3
8520540.3333333
n÷3
6390405.25
n÷5
5112324.2
n2
653396468147641
n3
1.6701872881529E+22
n4
4.2692694458781E+29
n5
1.0912944752242E+37
2 √n
5055.8501757865
3 √n
294.57516555805
4 √n
71.104501796908
5 √n
30.305236548733
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
25561622
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
12780811
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5055.8502746818
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999217577
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 25561621 can be divided by 2 positive divisors.
The sum of these divisors (counting 25561621) is 25561622, the average is 12780811.
Base
System
Value
2
Binary
1100001100000101000010101
3
Ternary
1210002122221201
4
Quaternary
1201200220111
5
Quinary
23020432441
6
Senary
2311512501
8
Octal
141405025
10
Decimal
25561621
12
Duodecimal
8688731
16
Hexadecimal
1860a15
20
Vigesimal
7jf411
36
Base36
f7vh1
md5
180f8b56267f93155c111130dfd6a4ae
sha1
ae0161d6028e1001a2282af9a9f34a6601fd78d9
sha256
e410a50d8f6e4957f1d00f4d29624ab3771ff0ae56d6a25a901ea8e7edf4de5e
sha512
1ac90ed411868e0b1acce70afeb8453d3ea075e563d853409b5957a6eb0985454841301fe1ac33a5d8cccf21f4fb2cef5a7bbeb73b85dd6752d66d792cbe31b2
ripemd-160
8ae3a6a5a54ab2c902baea69fca51efe69896489
Diameter
51123242
Circumference
160608401.49489
Area
2.0527055442141E+15
Volume
6.9960641527734E+22
Surface area
8.2108221768566E+15
Circumference
160608401.49489
Perimeter
102246484
Area
653396468147641
Diagonal
36149591.094441
Surface area
3920378808885846
Volume
1.6701872881529E+22
Space diagonal
44274026.29582
Perimeter
76684863
Area
2.8292897007944E+14
Altitude
22137013.14791
Surface area
2.8292897007944E+14
Volume
1.9683345955074E+21
Height
12049863.698147