245996821 is an odd 9-digits composite number following 245996820
and preceding 245996822 . In scientific notation, it is written as 2.45996821 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 203583408 positive integers (up to 245996821) that are relatively prime to 245996821.
245996821 has 4 divisors, whose sum is 247208832
The reverse of 245996821 is 128699542
Previous prime number is 203
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred forty-five million nine hundred ninety-six thousand eight hundred twenty-one
Scientific notation
2.45996821 × 10^8
Engineering notation
2.45996821 × 10^6
Prime Factorization
203 × 1211807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
245996821
Product of the distinct prime numbers
The prime factorization of 245996821 is 203 × 1211807.
Since it has a total of 2 prime factors.
4 , 6 , 58 , 97 , 908 , 672 , 7256 , 332 , 8201 , 26643 , 280324 , 785605 , 2172333 , 640558 , 29653943 , 92175809 , 205024014 , 110570854 , 2248737514 , 8631592941
n×2
491993642
n×3
737990463
n×4
983987284
n×5
1229984105
n÷2
122998410.5
n÷3
81998940.333333
n÷3
61499205.25
n÷5
49199364.2
n2
60514435942106041
n3
1.4886358866366E+25
n4
3.6619969573913E+33
n5
9.0083961002992E+41
2 √n
15684.285798212
3 √n
626.57995653422
4 √n
125.23691867102
5 √n
47.663496586875
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-245996820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 245996821 can be divided by 4 positive divisors.
The sum of these divisors (counting 245996821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101010011001110100010101
3
Ternary
122010212221012101
4
Quaternary
32222121310111
5
Quinary
1000433344241
6
Senary
40224322101
8
Octal
1652316425
10
Decimal
245996821
12
Duodecimal
6a473331
16
Hexadecimal
ea99d15
20
Vigesimal
3gh9c11
36
Base36
42gkd1
md5
1b3bcf0a081855d285762d70db4ff921
sha1
4098b1e3ffcb7ddcb4da1e48ee160fa58a2fcbe3
sha256
dc07ba2238e67e764ef89422796bd324310a874f83c812bdb94430e30b669b45
sha512
15a38a016af3b067d69b504ce35938aa5b48f69c79939f1e0d988030b592da528a549145c541e4b2a875305763e5fef33d3681de40452befb69c4c7c8609c61e
ripemd-160
8c71f7cf42c3fa7fc31a5268a15258abd92329ee
Diameter
491993642
Circumference
1545643611.3201
Area
1.9011170739185E+17
Volume
6.235583420437E+25
Surface area
7.604468295674E+17
Circumference
1545643611.3201
Perimeter
983987284
Area
60514435942106041
Diagonal
347892040.55887
Surface area
363086615652636246
Volume
1.4886358866366E+25
Space diagonal
426078992.47243
Perimeter
737990463
Area
2.6203519410775E+16
Altitude
213039496.23621
Surface area
2.6203519410775E+16
Volume
1.7543742169307E+24
Height
115964013.51962