20249905 (number)

20249905 is an odd 8-digits composite number following 20249904 and preceding 20249906. In scientific notation, it is written as 2.0249905 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 14953728 positive integers (up to 20249905) that are relatively prime to 20249905.

Interesting facts

Basic properties

Name

Name twenty million two hundred forty-nine thousand nine hundred five

Notation

Scientific notation 2.0249905 × 10^7
Engineering notation 2.0249905 × 10^6

Prime Factorization of 20249905

Prime Factorization 5 × 13 × 311537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20249905
Product of the distinct prime numbers

The prime factorization of 20249905 is 5 × 13 × 311537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20249905)

Multiplication

n×y
n×2 40499810
n×3 60749715
n×4 80999620
n×5 101249525

Division

n÷y
n÷2 10124952.5
n÷3 6749968.3333333
n÷3 5062476.25
n÷5 4049981

Exponentiation

ny
n2 410058652509025
n3 8.3036487577358E+21
n4 1.6814809849752E+29
n5 3.4049830205054E+36

Nth Root

y√n
2√n 4499.9894444321
3√n 272.56766268599
4√n 67.081960648389
5√n 28.925747979794

Divisors of 20249905

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 -20249904
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 20249905 can be divided by 8 positive divisors. The sum of these divisors (counting 20249905) is 1, the average is 0.125.

Base conversion 20249905

Base System Value
2 Binary 1001101001111110100110001
3 Ternary 1102002210122111
4 Quaternary 1031033310301
5 Quinary 20140444110
6 Senary 2002005321
8 Octal 115176461
10 Decimal 20249905
12 Duodecimal 6946841
16 Hexadecimal 134fd31
20 Vigesimal 66b4f5
36 Base36 c20xd

Cryptographic Hash Functions

md5 d082e8c4607cf75222771d504bc62701
sha1 0623bfcdfa51225f91a7548e6aa1f40244093bde
sha256 9eb67f9070a8cebbc1d08efb0bc905517cfad3efedf4f7673fec06f50943f709
sha512 dc6f896024bab2cef2dfcbe36dba4c99ee3f1b68386d4a70a03a69a340af48ffae031f2ecc90720c5a4d86406043ae5cfc4cd06a11075f3f9367e5561b0de045
ripemd-160 005d30e0c947819def0d16a4793844bb197ca04b

20249905 as geometric shapes

Circle

Radius = n
Diameter 40499810
Circumference 127233905.56778
Area 1.2882372502633E+15

Sphere

Radius = n
Volume 3.478224258039E+22
Surface area 5.1529490010531E+15
Circumference 127233905.56778

Square

Length = n
Perimeter 80999620
Area 410058652509025
Diagonal 28637690.287767

Cube

Length = n
Surface area 2460351915054150
Volume 8.3036487577358E+21
Space diagonal 35073864.308443

Equilateral Triangle

Length = n
Perimeter 60749715
Area 1.7756060505722E+14
Altitude 17536932.154222

Triangular Pyramid

Length = n
Surface area 1.7756060505722E+14
Volume 9.7859439086437E+20
Height 9545896.7625889