25213905 is an odd 8-digits composite number following 25213904
and preceding 25213906 . In scientific notation, it is written as 2.5213905 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 12890304 positive integers (up to 25213905) that are relatively prime to 25213905.
25213905 has 24 divisors, whose sum is 35029800
The reverse of 25213905 is 50931252
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-five million two hundred thirteen thousand nine hundred five
Scientific notation
2.5213905 × 10^7
Engineering notation
2.5213905 × 10^6
Prime Factorization
9 × 5 × 29 × 139 × 139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
181395
Product of the distinct prime numbers
The prime factorization of 25213905 is 9 × 5 × 29 × 139 × 139.
Since it has a total of 5 prime factors.
6 , 4 , 4 , 63 , 912 , 633 , 2555 , 4100 , 58259 , 66602 , 498009 , 709351 , 488562 , 1197718 , 27722901 , 34358329 , 656936779 , 885309334 , 6357035661 , 627227325
n×2
50427810
n×3
75641715
n×4
100855620
n×5
126069525
n÷2
12606952.5
n÷3
8404635
n÷3
6303476.25
n÷5
5042781
n2
635741005349025
n3
1.6029513313475E+22
n4
4.0416662588219E+29
n5
1.0190618909164E+37
2 √n
5021.3449393564
3 √n
293.23335593641
4 √n
70.861448893996
5 √n
30.222335502693
1 , 5 , 9 , 29 , 45 , 139 , 145 , 261 , 695 , 1251 , 1305 , 4031 , 6255 , 19321 , 20155 , 36279 , 96605 , 173889 , 181395 , 560309 , 869445 , 2801545 , 5042781 , 25213905
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-25213904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 25213905 can be divided by 24 positive divisors.
The sum of these divisors (counting 25213905) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100000001011101111010001
3
Ternary
1202102222222100
4
Quaternary
1200023233101
5
Quinary
22423321110
6
Senary
2300231013
8
Octal
140135721
10
Decimal
25213905
12
Duodecimal
853b469
16
Hexadecimal
180bbd1
20
Vigesimal
7hbef5
36
Base36
f0f69
md5
a0fb1b7d77431b761682c004873c8680
sha1
86d254d4a7e2004a414df33c941f147788ca87e4
sha256
e5d58f045dbc421e493dbccdcb7e4309395a754c5034e027b32229d886652860
sha512
fad2410fe1105a6937d1ee5e58e3f5ce0133418b4653c23cb8ae490d238284b9caa4a4be922c170d734cf08e78177351362ddc7e277277c41b472ef86b46b750
ripemd-160
5a1bc493490bd2750b522e5e9dc6d5f89bf65462
Diameter
50427810
Circumference
158423637.43262
Area
1.9972392719903E+15
Volume
6.7144268354976E+22
Surface area
7.9889570879611E+15
Circumference
158423637.43262
Perimeter
100855620
Area
635741005349025
Diagonal
35657846.411387
Surface area
3814446032094150
Volume
1.6029513313475E+22
Space diagonal
43671764.517215
Perimeter
75641715
Area
2.7528393042986E+14
Altitude
21835882.258607
Surface area
2.7528393042986E+14
Volume
1.889096260513E+21
Height
11885948.803796