81782023 (number)

81782023 is an odd 8-digits composite number following 81782022 and preceding 81782024. In scientific notation, it is written as 8.1782023 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 76676400 positive integers (up to 81782023) that are relatively prime to 81782023.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1782023 × 10^7
Engineering notation 8.1782023 × 10^6

Prime Factorization of 81782023

Prime Factorization 19 × 19 × 101 × 2243

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4304317
Product of the distinct prime numbers

The prime factorization of 81782023 is 19 × 19 × 101 × 2243. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 52, 40, 483, 465, 2244, 9369, 18409, 20467, 411592, 830677, 3086484, 9753402, 32090633, 74219585, 859004183, 359765648, 7635205199, 551499180

Basic calculations (n = 81782023)

Multiplication

n×y
n×2 163564046
n×3 245346069
n×4 327128092
n×5 408910115

Division

n÷y
n÷2 40891011.5
n÷3 27260674.333333
n÷3 20445505.75
n÷5 16356404.6

Exponentiation

ny
n2 6688299285972529
n3 5.4698264603629E+23
n4 4.4733347338741E+31
n5 3.6583836409239E+39

Nth Root

y√n
2√n 9043.3413625717
3√n 434.06284881976
4√n 95.09648449113
5√n 38.241205105005

Divisors of 81782023

1, 19, 101, 361, 1919, 2243, 36461, 42617, 226543, 809723, 4304317, 81782023

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81782022
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81782023 can be divided by 12 positive divisors. The sum of these divisors (counting 81782023) is 1, the average is 0.083333333333333.

Base conversion 81782023

Base System Value
2 Binary 100110111111110010100000111
3 Ternary 12200212221211211
4 Quaternary 10313332110013
5 Quinary 131414011043
6 Senary 12040512251
8 Octal 467762407
10 Decimal 81782023
12 Duodecimal 2347b687
16 Hexadecimal 4dfe507
20 Vigesimal 15b2f13
36 Base36 1covev

Cryptographic Hash Functions

md5 f5b138f31a0903f831810a099e3d91cb
sha1 9f30c3cb74ec4ceb7d68e39e50f7aed9261d3538
sha256 fc0c0d1665cf49e7aa758644e2166641f250337c9514c78fd51027e45912fb10
sha512 be1ab14ab16767a82238bad672178c801b540347f7110f36c75b5af860e5e942ba6933744746921ffc913c493555a8c5bf3456d1eaafefcf18fc52f3e6cbcd97
ripemd-160 808af982dc36830cb63c4aad215c4b99d216e680

81782023 as geometric shapes

Circle

Radius = n
Diameter 163564046
Circumference 513851605.30502
Area 2.1011911901821E+16

Sphere

Radius = n
Volume 2.2911955499049E+24
Surface area 8.4047647607285E+16
Circumference 513851605.30502

Square

Length = n
Perimeter 327128092
Area 6688299285972529
Diagonal 115657246.08491

Cube

Length = n
Surface area 40129795715835174
Volume 5.4698264603629E+23
Space diagonal 141650618.98177

Equilateral Triangle

Length = n
Perimeter 245346069
Area 2.8961185448828E+15
Altitude 70825309.490883

Triangular Pyramid

Length = n
Surface area 2.8961185448828E+15
Volume 6.4462523033937E+22
Height 38552415.361636