25805005 is an odd 8-digits composite number following 25805004
and preceding 25805006 . In scientific notation, it is written as 2.5805005 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 20624400 positive integers (up to 25805005) that are relatively prime to 25805005.
25805005 has 8 divisors, whose sum is 30995424
The reverse of 25805005 is 50050852
Previous prime number is 1531
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-five million eight hundred five thousand five
Scientific notation
2.5805005 × 10^7
Engineering notation
2.5805005 × 10^6
Prime Factorization
5 × 1531 × 3371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
25805005
Product of the distinct prime numbers
The prime factorization of 25805005 is 5 × 1531 × 3371.
Since it has a total of 3 prime factors.
6 , 5 , 90 , 45 , 235 , 641 , 3340 , 5639 , 75253 , 18054 , 284979 , 359663 , 6277283 , 1393734 , 88240270 , 19759552 , 774881273 , 427806009 , 5742515224 , 92635558
n×2
51610010
n×3
77415015
n×4
103220020
n×5
129025025
n÷2
12902502.5
n÷3
8601668.3333333
n÷3
6451251.25
n÷5
5161001
n2
665898283050025
n3
1.7183508523597E+22
n4
4.4342052336897E+29
n5
1.1442468822639E+37
2 √n
5079.8626949948
3 √n
295.50714259588
4 √n
71.273155500474
5 √n
30.36272803346
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
-25805004
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 25805005 can be divided by 8 positive divisors.
The sum of these divisors (counting 25805005) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010011100000011001101
3
Ternary
1210120000210221
4
Quaternary
1202130003031
5
Quinary
23101230010
6
Senary
2321031341
8
Octal
142340315
10
Decimal
25805005
12
Duodecimal
8785551
16
Hexadecimal
189c0cd
20
Vigesimal
815ca5
36
Base36
fd39p
md5
c9001f175d602c6b91c62c50887bb8de
sha1
1b93b68097d8c9209265e4897b111e2de97e40f9
sha256
bfc41848f33f3b1a649167df4e760a771277572c539d5869b2b363b1961df122
sha512
d735da54bb35c6112faeaebd5b8143a84b50d8d266cc8d48227c488eb520f567408739f8775520ea865c4acd951f2954b96f19168722b898b920ac758b55d376
ripemd-160
36da3d3e60bbd6b86394065134e7fd21d95f13d6
Diameter
51610010
Circumference
162137628.2677
Area
2.091981154068E+15
Volume
7.1978112187508E+22
Surface area
8.3679246162721E+15
Circumference
162137628.2677
Perimeter
103220020
Area
665898283050025
Diagonal
36493788.048106
Surface area
3995389698300150
Volume
1.7183508523597E+22
Space diagonal
44695579.749569
Perimeter
77415015
Area
2.8834241472888E+14
Altitude
22347789.874784
Surface area
2.8834241472888E+14
Volume
2.0250959002687E+21
Height
12164596.016035