249540945 is an odd 9-digits composite number following 249540944
and preceding 249540946 . In scientific notation, it is written as 2.49540945 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 132982784 positive integers (up to 249540945) that are relatively prime to 249540945.
249540945 has 16 divisors, whose sum is 399582720
The reverse of 249540945 is 549045942
Previous prime number is 1409
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred forty-nine million five hundred forty thousand nine hundred forty-five
Scientific notation
2.49540945 × 10^8
Engineering notation
2.49540945 × 10^6
Prime Factorization
5 × 3 × 1409 × 11807
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
249540945
Product of the distinct prime numbers
The prime factorization of 249540945 is 5 × 3 × 1409 × 11807.
Since it has a total of 4 prime factors.
4 , 7 , 88 , 25 , 76 , 631 , 3021 , 5210 , 28076 , 23274 , 786682 , 455381 , 2765670 , 6639469 , 64088574 , 63948864 , 793559882 , 13499291 , 4968675124 , 6575461436
n×2
499081890
n×3
748622835
n×4
998163780
n×5
1247704725
n÷2
124770472.5
n÷3
83180315
n÷3
62385236.25
n÷5
49908189
n2
62270683231493025
n3
1.5539085139382E+25
n4
3.8776379901169E+33
n5
9.6762944842168E+41
2 √n
15796.865037089
3 √n
629.57470666353
4 √n
125.68558006824
5 √n
47.800051341252
1 , 3 , 5 , 15 , 1409 , 4227 , 7045 , 11807 , 21135 , 35421 , 59035 , 177105 , 16636063 , 49908189 , 83180315 , 249540945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-249540944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 249540945 can be divided by 16 positive divisors.
The sum of these divisors (counting 249540945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110111111011000101010001
3
Ternary
122101112222211020
4
Quaternary
32313323011101
5
Quinary
1002340302240
6
Senary
40432310053
8
Octal
1667730521
10
Decimal
249540945
12
Duodecimal
6b6a2329
16
Hexadecimal
edfb151
20
Vigesimal
3hjcc75
36
Base36
44kj0x
md5
289d5ee1c704d7ab498bbe917f1a3c87
sha1
ec8d96adbcdd929ef44109a7f335987b72969565
sha256
76b2dc11f8210f95f996dd0c1707dfb5bdbf88156c5c5155ca5e25109bfd28e7
sha512
503fed7fae6b0ac36cd23ec72c46486d653ca02151b5d1f071ad6fead7b3e9d5ed719ddbe599631f7166510a7e91b0aa6b34ad515f3579465182ba3bf9a041bb
ripemd-160
33c76e511027fcc2ea4f982d605ae57872238405
Diameter
499081890
Circumference
1567911999.1637
Area
1.9562912097408E+17
Volume
6.5089967623187E+25
Surface area
7.825164838963E+17
Circumference
1567911999.1637
Perimeter
998163780
Area
62270683231493025
Diagonal
352904188.7864
Surface area
373624099388958150
Volume
1.5539085139382E+25
Space diagonal
432217595.30875
Perimeter
748622835
Area
2.6963996794743E+16
Altitude
216108797.65438
Surface area
2.6963996794743E+16
Volume
1.8312987459154E+24
Height
117634729.59547