81330750 (number)

81330750 is an even 8-digits composite number following 81330749 and preceding 81330751. In scientific notation, it is written as 8.1330750 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 21686400 positive integers (up to 81330750) that are relatively prime to 81330750.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand seven hundred fifty

Notation

Scientific notation 8.1330750 × 10^7
Engineering notation 8.1330750 × 10^6

Prime Factorization of 81330750

Prime Factorization 2 × 375 × 3 × 3 × 12049

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 27110250
Product of the distinct prime numbers

The prime factorization of 81330750 is 2 × 375 × 3 × 3 × 12049. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 10, 65, 36, 983, 879, 9664, 4494, 81979, 78427, 699415, 576681, 6537755, 9773782, 28766184, 54913931, 216673520, 28429484, 479044680, 2329208884

Basic calculations (n = 81330750)

Multiplication

n×y
n×2 162661500
n×3 243992250
n×4 325323000
n×5 406653750

Division

n÷y
n÷2 40665375
n÷3 27110250
n÷3 20332687.5
n÷5 16266150

Exponentiation

ny
n2 6614690895562500
n3 5.3797777155427E+23
n4 4.3754135643837E+31
n5 3.558556667515E+39

Nth Root

y√n
2√n 9018.3562803872
3√n 433.26298989662
4√n 94.965026617104
5√n 38.198908670065

Divisors of 81330750

1, 2, 3, 6, 9, 18, 375, 750, 1125, 2250, 3375, 6750, 12049, 24098, 36147, 72294, 108441, 216882, 4518375, 9036750, 13555125, 27110250, 40665375, 81330750

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 -81330749
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 81330750 can be divided by 24 positive divisors. The sum of these divisors (counting 81330750) is 1, the average is 0.041666666666667.

Base conversion 81330750

Base System Value
2 Binary 100110110010000001000111110
3 Ternary 12200001000211000
4 Quaternary 10312100020332
5 Quinary 131310041000
6 Senary 12023111130
8 Octal 466201076
10 Decimal 81330750
12 Duodecimal 232a24a6
16 Hexadecimal 4d9023e
20 Vigesimal 15866ha
36 Base36 1cf77i

Cryptographic Hash Functions

md5 cdd82443cb8acf646e2f5bc060b10aec
sha1 fe201746d5f68ba4d607c9eaadb062e3e329ac1e
sha256 c4620fc13386de525ca014c02b82145b65c3bbf1b021b73ab9fcc602d45dadd6
sha512 1cc6682ecbd01b677ee9cd0e00c96795bc6f86a10a90937f46dc15470e10e54840e8644d59743b24faa717568bf3fc08fa513b04855ce481e36771a9dd04bb3e
ripemd-160 6389644c0bc8f21c287812891461d98f3cb5dea3

81330750 as geometric shapes

Circle

Radius = n
Diameter 162661500
Circumference 511016173.4219
Area 2.0780664323266E+16

Sphere

Radius = n
Volume 2.2534760198793E+24
Surface area 8.3122657293066E+16
Circumference 511016173.4219

Square

Length = n
Perimeter 325323000
Area 6614690895562500
Diagonal 115019049.68798

Cube

Length = n
Surface area 39688145373375000
Volume 5.3797777155427E+23
Space diagonal 140868991.21768

Equilateral Triangle

Length = n
Perimeter 243992250
Area 2.8642451768694E+15
Altitude 70434495.608841

Triangular Pyramid

Length = n
Surface area 2.8642451768694E+15
Volume 6.3401288398942E+22
Height 38339683.229325