249040981 (number)

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.

Interesting facts

Basic properties

Name

Name two hundred forty-nine million forty thousand nine hundred eighty-one

Notation

Scientific notation 2.49040981 × 10^8
Engineering notation 2.49040981 × 10^6

Prime Factorization of 249040981

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.

Most popular turbo-numbers

Basic calculations (n = 249040981)

Multiplication

n×y
n×2 498081962
n×3 747122943
n×4 996163924
n×5 1245204905

Division

n÷y
n÷2 124520490.5
n÷3 83013660.333333
n÷3 62260245.25
n÷5 49808196.2

Exponentiation

ny
n2 62021410217442361
n3 1.5445872843555E+25
n4 3.8466553253603E+33
n5 9.5797481579659E+41

Nth Root

y√n
2√n 15781.032317311
3√n 629.15396724412
4√n 125.62257885154
5√n 47.780882158126

Divisors of 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 conversion 249040981

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

Cryptographic Hash Functions

md5 37387313d5e5720cf9a5534377a349a3
sha1 18d44c52813c8a9833b3a91d32cacfa855a32b49
sha256 743aca83e8d8fb7b3121be6f14668979435f288e0afc2d76abd49ade839b028c
sha512 546fa463c2e1b71de8f23be64523040b6d441190ffa538408c0177d8e18424350c06ea7b3f3d7dd9da7e21c8ea02adf0f8545d891528914896c7e3cadde7da55
ripemd-160 accd0d32f8322a9eaf1b621ed66652bd4173d743

249040981 as geometric shapes

Circle

Radius = n
Diameter 498081962
Circumference 1564770632.7048
Area 1.948460067044E+17

Sphere

Radius = n
Volume 6.469952087146E+25
Surface area 7.7938402681758E+17
Circumference 1564770632.7048

Square

Length = n
Perimeter 996163924
Area 62021410217442361
Diagonal 352197132.9169

Cube

Length = n
Surface area 372128461304654166
Volume 1.5445872843555E+25
Space diagonal 431351632.2588

Equilateral Triangle

Length = n
Perimeter 747122943
Area 2.685605841342E+16
Altitude 215675816.1294

Triangular Pyramid

Length = n
Surface area 2.685605841342E+16
Volume 1.8203135715038E+24
Height 117399044.30563