249040981 is an odd 9-digits composite number following 249040980
and preceding 249040982 . In scientific notation, it is written as 2.49040981 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 212961840 positive integers (up to 249040981) that are relatively prime to 249040981.
249040981 has 16 divisors, whose sum is 291110400
The reverse of 249040981 is 189040942
Previous prime number is 911
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred forty-nine million forty thousand nine hundred eighty-one
Scientific notation
2.49040981 × 10^8
Engineering notation
2.49040981 × 10^6
Prime Factorization
49 × 7 × 911 × 797
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
249040981
Product of the distinct prime numbers
The prime factorization of 249040981 is 49 × 7 × 911 × 797.
Since it has a total of 4 prime factors.
9 , 6 , 86 , 41 , 635 , 330 , 1535 , 1282 , 83813 , 34863 , 436577 , 861626 , 7762248 , 3150892 , 41240068 , 45453731 , 58010479 , 747575820 , 7875944697 , 5481062838
n×2
498081962
n×3
747122943
n×4
996163924
n×5
1245204905
n÷2
124520490.5
n÷3
83013660.333333
n÷3
62260245.25
n÷5
49808196.2
n2
62021410217442361
n3
1.5445872843555E+25
n4
3.8466553253603E+33
n5
9.5797481579659E+41
2 √n
15781.032317311
3 √n
629.15396724412
4 √n
125.62257885154
5 √n
47.780882158126
1 , 7 , 49 , 343 , 797 , 911 , 5579 , 6377 , 39053 , 44639 , 273371 , 312473 , 726067 , 5082469 , 35577283 , 249040981
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
-249040980
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 249040981 can be divided by 16 positive divisors.
The sum of these divisors (counting 249040981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110110000001000001010101
3
Ternary
122100121121000001
4
Quaternary
32312001001111
5
Quinary
1002223302411
6
Senary
40413451301
8
Octal
1666010125
10
Decimal
249040981
12
Duodecimal
6b4a0b31
16
Hexadecimal
ed81055
20
Vigesimal
3hga291
36
Base36
449t91
md5
37387313d5e5720cf9a5534377a349a3
sha1
18d44c52813c8a9833b3a91d32cacfa855a32b49
sha256
743aca83e8d8fb7b3121be6f14668979435f288e0afc2d76abd49ade839b028c
sha512
546fa463c2e1b71de8f23be64523040b6d441190ffa538408c0177d8e18424350c06ea7b3f3d7dd9da7e21c8ea02adf0f8545d891528914896c7e3cadde7da55
ripemd-160
accd0d32f8322a9eaf1b621ed66652bd4173d743
Diameter
498081962
Circumference
1564770632.7048
Area
1.948460067044E+17
Volume
6.469952087146E+25
Surface area
7.7938402681758E+17
Circumference
1564770632.7048
Perimeter
996163924
Area
62021410217442361
Diagonal
352197132.9169
Surface area
372128461304654166
Volume
1.5445872843555E+25
Space diagonal
431351632.2588
Perimeter
747122943
Area
2.685605841342E+16
Altitude
215675816.1294
Surface area
2.685605841342E+16
Volume
1.8203135715038E+24
Height
117399044.30563