243927981 (number)

243927981 is an odd 9-digits composite number following 243927980 and preceding 243927982. In scientific notation, it is written as 2.43927981 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 147835080 positive integers (up to 243927981) that are relatively prime to 243927981.

Interesting facts

Basic properties

Name

Name two hundred forty-three million nine hundred twenty-seven thousand nine hundred eighty-one

Notation

Scientific notation 2.43927981 × 10^8
Engineering notation 2.43927981 × 10^6

Prime Factorization of 243927981

Prime Factorization 9 × 11 × 2463919

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 243927981
Product of the distinct prime numbers

The prime factorization of 243927981 is 9 × 11 × 2463919. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 36, 9, 396, 307, 6187, 1829, 46270, 46861, 479299, 71228, 9526303, 1673002, 9701959, 16879744, 178393441, 551294151, 768906609, 2168750353

Basic calculations (n = 243927981)

Multiplication

n×y
n×2 487855962
n×3 731783943
n×4 975711924
n×5 1219639905

Division

n÷y
n÷2 121963990.5
n÷3 81309327
n÷3 60981995.25
n÷5 48785596.2

Exponentiation

ny
n2 59500859914736361
n3 1.4513924626765E+25
n4 3.5403523305931E+33
n5 8.6359099603021E+41

Nth Root

y√n
2√n 15618.193909668
3√n 624.81849107899
4√n 124.97277267336
5√n 47.583055262029

Divisors of 243927981

1, 9, 11, 99, 2463919, 22175271, 27103109, 243927981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -243927980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 243927981 can be divided by 8 positive divisors. The sum of these divisors (counting 243927981) is 1, the average is 0.125.

Base conversion 243927981

Base System Value
2 Binary 1110100010100000101110101101
3 Ternary 121222222211021200
4 Quaternary 32202200232231
5 Quinary 444421143411
6 Senary 40112120113
8 Octal 1642405655
10 Decimal 243927981
12 Duodecimal 69836039
16 Hexadecimal e8a0bad
20 Vigesimal 3g4ajj1
36 Base36 418819

Cryptographic Hash Functions

md5 4be6e28158694d9c445fe5a94bd011eb
sha1 cf4dd4ab32890681a1d05c7c9fefcbd71c748c66
sha256 368129d3931c15c0f68ce278844167897bc7a3edc37a56ba0957ed1e3a3ee5d8
sha512 5ee7fbaa7a3ac462fc38fecbd159575de4a97c185d0c5227a0e05c9033d5ce702a5cefd74754bb265343fbab6084f84a5ce5c7e358c54a18d212d3170fe2643f
ripemd-160 ee6c7424929e5e29e3c9865e547231a5f04630b2

243927981 as geometric shapes

Circle

Radius = n
Diameter 487855962
Circumference 1532644706.2292
Area 1.8692746439041E+17

Sphere

Radius = n
Volume 6.0795785309603E+25
Surface area 7.4770985756164E+17
Circumference 1532644706.2292

Square

Length = n
Perimeter 975711924
Area 59500859914736361
Diagonal 344966258.97249

Cube

Length = n
Surface area 357005159488418166
Volume 1.4513924626765E+25
Space diagonal 422495656.4797

Equilateral Triangle

Length = n
Perimeter 731783943
Area 2.576462811659E+16
Altitude 211247828.23985

Triangular Pyramid

Length = n
Surface area 2.576462811659E+16
Volume 1.7104824208694E+24
Height 114988752.99083