268721831 (number)

268721831 is an odd 9-digits composite number following 268721830 and preceding 268721832. In scientific notation, it is written as 2.68721831 × 10^8. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 223171200 positive integers (up to 268721831) that are relatively prime to 268721831.

Interesting facts

Basic properties

Name

Name two hundred sixty-eight million seven hundred twenty-one thousand eight hundred thirty-one

Notation

Scientific notation 2.68721831 × 10^8
Engineering notation 2.68721831 × 10^6

Prime Factorization of 268721831

Prime Factorization 7 × 7 × 41 × 739 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 38388833
Product of the distinct prime numbers

The prime factorization of 268721831 is 7 × 7 × 41 × 739 × 181. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 268721831)

Multiplication

n×y
n×2 537443662
n×3 806165493
n×4 1074887324
n×5 1343609155

Division

n÷y
n÷2 134360915.5
n÷3 89573943.666667
n÷3 67180457.75
n÷5 53744366.2

Exponentiation

ny
n2 72211422455992561
n3 1.9404785661489E+25
n4 5.2144895331178E+33
n5 1.4012471750698E+42

Nth Root

y√n
2√n 16392.737141795
3√n 645.30889276926
4√n 128.03412491127
5√n 48.51327459124

Divisors of 268721831

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -268721830
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 268721831 can be divided by 24 positive divisors. The sum of these divisors (counting 268721831) is 1, the average is 0.041666666666667.

Base conversion 268721831

Base System Value
2 Binary 10000000001000101111010100111
3 Ternary 200201122111001102
4 Quaternary 100001011322213
5 Quinary 1022243044311
6 Senary 42355350315
8 Octal 2001057247
10 Decimal 268721831
12 Duodecimal 75bb239b
16 Hexadecimal 10045ea7
20 Vigesimal 43ja4bb
36 Base36 4fzn3b

Cryptographic Hash Functions

md5 40b1efc2de8fc88e15dc2869721d80d4
sha1 a1288c8b8fd7f7363164bc47dca249ccd6c82ce2
sha256 f6f228734e98cf492f57bb5bc773c23f8ba7cec71aea46af803c6a9d2811194d
sha512 20bd67147774044e4f06d4606273032b37763f9d6fb434afc3cbe231e2c65e58c8f30b6fd2a832a65c45bd756b310626e9410a8d70f3a8f1688cb5ad85b0d8e5
ripemd-160 9cfb7e03879b8102128a3dda0eb4d9b078a1e966

268721831 as geometric shapes

Circle

Radius = n
Diameter 537443662
Circumference 1688429060.2576
Area 2.2685887429302E+17

Sphere

Radius = n
Volume 8.1282576104824E+25
Surface area 9.0743549717206E+17
Circumference 1688429060.2576

Square

Length = n
Perimeter 1074887324
Area 72211422455992561
Diagonal 380030057.90593

Cube

Length = n
Surface area 433268534735955366
Volume 1.9404785661489E+25
Space diagonal 465439864.39494

Equilateral Triangle

Length = n
Perimeter 806165493
Area 3.126846314515E+16
Altitude 232719932.19747

Triangular Pyramid

Length = n
Surface area 3.126846314515E+16
Volume 2.2868759214517E+24
Height 126676685.96864