81750550 (number)

81750550 is an even 8-digits composite number following 81750549 and preceding 81750551. In scientific notation, it is written as 8.1750550 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 27799200 positive integers (up to 81750550) that are relatively prime to 81750550.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty thousand five hundred fifty

Notation

Scientific notation 8.1750550 × 10^7
Engineering notation 8.1750550 × 10^6

Prime Factorization of 81750550

Prime Factorization 2 × 25 × 7 × 131 × 1783

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81750550
Product of the distinct prime numbers

The prime factorization of 81750550 is 2 × 25 × 7 × 131 × 1783. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81750550)

Multiplication

n×y
n×2 163501100
n×3 245251650
n×4 327002200
n×5 408752750

Division

n÷y
n÷2 40875275
n÷3 27250183.333333
n÷3 20437637.5
n÷5 16350110

Exponentiation

ny
n2 6683152425302500
n3 5.4635138650231E+23
n4 4.4664526339827E+31
n5 3.6513495937703E+39

Nth Root

y√n
2√n 9041.6010750309
3√n 434.00716008206
4√n 95.087333935866
5√n 38.238261302152

Divisors of 81750550

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81750549
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81750550 can be divided by 32 positive divisors. The sum of these divisors (counting 81750550) is 1, the average is 0.03125.

Base conversion 81750550

Base System Value
2 Binary 100110111110110101000010110
3 Ternary 12200211100200011
4 Quaternary 10313312220112
5 Quinary 131412004200
6 Senary 12040110434
8 Octal 467665026
10 Decimal 81750550
12 Duodecimal 2346541a
16 Hexadecimal 4df6a16
20 Vigesimal 15aig7a
36 Base36 1co74m

Cryptographic Hash Functions

md5 c68683aa520c14bd562c8beaea8e68f4
sha1 f846759af1eb05d73e7d386c818c77ad15d35056
sha256 68e4ed7a28e5e1475372ad410563df0cdbc17d071b4e3ad64b5d15060724776f
sha512 dd7cfd7b70fc1a1f5746d6815c5797cd01f7c2e31f6adcfaba7fbfed395b1a8e2d7a6d5f292aabb420e7029039a32feca5c5adcfa49c73f0f16aac0abba18c4d
ripemd-160 e87d0a74613a1dd193ebdc460890f60ca2d853fd

81750550 as geometric shapes

Circle

Radius = n
Diameter 163501100
Circumference 513653854.61385
Area 2.0995742562151E+16

Sphere

Radius = n
Volume 2.2885513361524E+24
Surface area 8.3982970248605E+16
Circumference 513653854.61385

Square

Length = n
Perimeter 327002200
Area 6683152425302500
Diagonal 115612736.54146

Cube

Length = n
Surface area 40098914551815000
Volume 5.4635138650231E+23
Space diagonal 141596106.1467

Equilateral Triangle

Length = n
Perimeter 245251650
Area 2.8938898888378E+15
Altitude 70798053.07335

Triangular Pyramid

Length = n
Surface area 2.8938898888378E+15
Volume 6.438812838441E+22
Height 38537578.847153