245893991 is an odd 9-digits composite number following 245893990
and preceding 245893992 . In scientific notation, it is written as 2.45893991 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 199673208 positive integers (up to 245893991) that are relatively prime to 245893991.
245893991 has 8 divisors, whose sum is 295812480
The reverse of 245893991 is 199398542
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
two hundred forty-five million eight hundred ninety-three thousand nine hundred ninety-one
Scientific notation
2.45893991 × 10^8
Engineering notation
2.45893991 × 10^6
Prime Factorization
7 × 19 × 1848827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
245893991
Product of the distinct prime numbers
The prime factorization of 245893991 is 7 × 19 × 1848827.
Since it has a total of 3 prime factors.
2 , 5 , 99 , 49 , 153 , 738 , 3263 , 4337 , 22370 , 56945 , 522661 , 739975 , 5995718 , 3990429 , 28851826 , 39217289 , 354292861 , 428310106 , 1181423310 , 8769647380
n×2
491787982
n×3
737681973
n×4
983575964
n×5
1229469955
n÷2
122946995.5
n÷3
81964663.666667
n÷3
61473497.75
n÷5
49178798.2
n2
60463854809908081
n3
1.4867698570453E+25
n4
3.6558777384736E+33
n5
8.9895836772134E+41
2 √n
15681.007333714
3 √n
626.4926380661
4 √n
125.22382893728
5 √n
47.659511123118
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
-245893990
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 245893991 can be divided by 8 positive divisors.
The sum of these divisors (counting 245893991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101010000000101101100111
3
Ternary
122010200201010212
4
Quaternary
32222000231213
5
Quinary
1000422101431
6
Senary
40222210035
8
Octal
1652005547
10
Decimal
245893991
12
Duodecimal
6a42391b
16
Hexadecimal
ea80b67
20
Vigesimal
3gggejb
36
Base36
42ed0n
md5
eca8b999d20401464d38ade250d1c73d
sha1
368f3bbc69c6e79f092cece1c557109215958b37
sha256
1634ecf9ee92784d58517996b69bf0806ded7f8c4bd476c090935253407bbdf6
sha512
4354e73049e09f060f455114488ed7169f5a0b2bf138009d38052835f795d55e1cbc7d8c2cda65847abf801df858a761fe1829e436fda3a216e9ca9cc0a2168f
ripemd-160
e449b97d7c134eb6d160e6f1a3e7b50d94e9acc7
Diameter
491787982
Circumference
1544997511.3749
Area
1.8995280207853E+17
Volume
6.2277670139629E+25
Surface area
7.5981120831411E+17
Circumference
1544997511.3749
Perimeter
983575964
Area
60463854809908081
Diagonal
347746616.97825
Surface area
362783128859448486
Volume
1.4867698570453E+25
Space diagonal
425900885.68788
Perimeter
737681973
Area
2.6181617138057E+16
Altitude
212950442.84394
Surface area
2.6181617138057E+16
Volume
1.7521750799675E+24
Height
115915538.99275