25291221 is an odd 8-digits composite number following 25291220
and preceding 25291222 . In scientific notation, it is written as 2.5291221 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 16849200 positive integers (up to 25291221) that are relatively prime to 25291221.
25291221 has 8 divisors, whose sum is 33744864
The reverse of 25291221 is 12219252
Previous prime number is 2851
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-five million two hundred ninety-one thousand two hundred twenty-one
Scientific notation
2.5291221 × 10^7
Engineering notation
2.5291221 × 10^6
Prime Factorization
3 × 2851 × 2957
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
25291221
Product of the distinct prime numbers
The prime factorization of 25291221 is 3 × 2851 × 2957.
Since it has a total of 3 prime factors.
2 , 9 , 21 , 76 , 415 , 335 , 5832 , 2556 , 20408 , 60145 , 271614 , 163356 , 7384734 , 4315152 , 50712857 , 16378104 , 589795443 , 275247570 , 67091065 , 8816397324
n×2
50582442
n×3
75873663
n×4
101164884
n×5
126456105
n÷2
12645610.5
n÷3
8430407
n÷3
6322805.25
n÷5
5058244.2
n2
639645859670841
n3
1.617742479867E+22
n4
4.0914682579405E+29
n5
1.0347822792606E+37
2 √n
5029.037780729
3 √n
293.53277400342
4 √n
70.915708984181
5 √n
30.2408475839
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-25291220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 25291221 can be divided by 8 positive divisors.
The sum of these divisors (counting 25291221) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000011110100111010101
3
Ternary
1202120221000220
4
Quaternary
1200132213111
5
Quinary
22433304341
6
Senary
2302024553
8
Octal
140364725
10
Decimal
25291221
12
Duodecimal
8578159
16
Hexadecimal
181e9d5
20
Vigesimal
7i1811
36
Base36
f22tx
md5
ea735c571acd5e9732d38d12c48c64bf
sha1
fadb60301a9637a4c2c742b2ad3ba7fffaf6f4b1
sha256
5485d7b17e08b68f96a7f6c8bde0152c9fec198b851de843eebd0b7c985a0655
sha512
2eead71e289dba83ed032323bffd48b1a5206ac7c957ffe54c71869f1afb1d86a1766aa29ccf0f80d87ccb57e6cb7bed83461db1925f312393540787d455497b
ripemd-160
28dd07287f335c81cc486cda9d26a778f7caebb3
Diameter
50582442
Circumference
158909428.18783
Area
2.009506733641E+15
Volume
6.7763838535338E+22
Surface area
8.0380269345642E+15
Circumference
158909428.18783
Perimeter
101164884
Area
639645859670841
Diagonal
35767187.747175
Surface area
3837875158025046
Volume
1.617742479867E+22
Space diagonal
43805679.757453
Perimeter
75873663
Area
2.7697478195024E+14
Altitude
21902839.878726
Surface area
2.7697478195024E+14
Volume
1.9065277962125E+21
Height
11922395.915725