249968161 is an odd 9-digits composite number following 249968160
and preceding 249968162 . In scientific notation, it is written as 2.49968161 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 235356192 positive integers (up to 249968161) that are relatively prime to 249968161.
249968161 has 4 divisors, whose sum is 250051972
The reverse of 249968161 is 161869942
Previous prime number is 3097
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred forty-nine million nine hundred sixty-eight thousand one hundred sixty-one
Scientific notation
2.49968161 × 10^8
Engineering notation
2.49968161 × 10^6
Prime Factorization
3097 × 80713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
249968161
Product of the distinct prime numbers
The prime factorization of 249968161 is 3097 × 80713.
Since it has a total of 2 prime factors.
7 , 3 , 34 , 98 , 382 , 38 , 3384 , 8355 , 46019 , 96920 , 38139 , 894952 , 2457714 , 2505839 , 24826920 , 29731765 , 702974017 , 68542842 , 583065556 , 8174315482
n×2
499936322
n×3
749904483
n×4
999872644
n×5
1249840805
n÷2
124984080.5
n÷3
83322720.333333
n÷3
62492040.25
n÷5
49993632.2
n2
62484081513721921
n3
1.5619030947759E+25
n4
3.9042604426134E+33
n5
9.7594080290513E+41
2 √n
15810.381431199
3 √n
629.93378072785
4 √n
125.73933923478
5 √n
47.816406955161
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
-249968160
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 249968161 can be divided by 4 positive divisors.
The sum of these divisors (counting 249968161) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001100011011000100001
3
Ternary
122102100200212001
4
Quaternary
32321203120201
5
Quinary
1002442440121
6
Senary
40445404001
8
Octal
1671433041
10
Decimal
249968161
12
Duodecimal
6b869601
16
Hexadecimal
ee63621
20
Vigesimal
3i26081
36
Base36
44too1
md5
ec430fb032d121e4124c7611185a06d9
sha1
fa5ff658f997e4366e98c770537a303e465bbe28
sha256
3645a7d535cb9e566ee54e1a9b1f2fc09869aaa365de1017fd9359bf604966d9
sha512
a14d813bac40f595afc52852aefae6a83b5f79e294f64b2d0642190586e7163ecd0fa5874fa5b6fdaf52025313d68e19fc30423935eaf5751cad0a5979664bd3
ripemd-160
5dbf9097fcf6ea1e1591d1081e2064fdc82e7e8b
Diameter
499936322
Circumference
1570596276.4579
Area
1.9629953144981E+17
Volume
6.5424843842229E+25
Surface area
7.8519812579926E+17
Circumference
1570596276.4579
Perimeter
999872644
Area
62484081513721921
Diagonal
353508363.44766
Surface area
374904489082331526
Volume
1.5619030947759E+25
Space diagonal
432957555.12656
Perimeter
749904483
Area
2.705640096151E+16
Altitude
216478777.56328
Surface area
2.705640096151E+16
Volume
1.8407204497872E+24
Height
117836121.14922