81272823 (number)

81272823 is an odd 8-digits composite number following 81272822 and preceding 81272824. In scientific notation, it is written as 8.1272823 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 48017376 positive integers (up to 81272823) that are relatively prime to 81272823.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-two thousand eight hundred twenty-three

Notation

Scientific notation 8.1272823 × 10^7
Engineering notation 8.1272823 × 10^6

Prime Factorization of 81272823

Prime Factorization 69 × 47 × 19 × 1319

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81272823
Product of the distinct prime numbers

The prime factorization of 81272823 is 69 × 47 × 19 × 1319. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 65, 39, 795, 151, 3891, 6563, 86801, 77608, 942269, 559848, 4036390, 5624511, 6345201, 59549591, 915048259, 467681961, 7950249344, 6083476585

Basic calculations (n = 81272823)

Multiplication

n×y
n×2 162545646
n×3 243818469
n×4 325091292
n×5 406364115

Division

n÷y
n÷2 40636411.5
n÷3 27090941
n÷3 20318205.75
n÷5 16254564.6

Exponentiation

ny
n2 6605271758389329
n3 5.3682908248647E+23
n4 4.3629615002176E+31
n5 3.54590197763E+39

Nth Root

y√n
2√n 9015.1440920265
3√n 433.16010307917
4√n 94.948112630144
5√n 38.193465762297

Divisors of 81272823

1, 19, 47, 69, 893, 1311, 1319, 3243, 25061, 61617, 61993, 91011, 1177867, 1729209, 4277517, 81272823

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81272822
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81272823 can be divided by 16 positive divisors. The sum of these divisors (counting 81272823) is 1, the average is 0.0625.

Base conversion 81272823

Base System Value
2 Binary 100110110000001111111110111
3 Ternary 12122221002100120
4 Quaternary 10312001333313
5 Quinary 131301212243
6 Senary 12021543023
8 Octal 466017767
10 Decimal 81272823
12 Duodecimal 23274a73
16 Hexadecimal 4d81ff7
20 Vigesimal 157j213
36 Base36 1cdyif

Cryptographic Hash Functions

md5 77d7961241e2b0968b11e824cbd92ea2
sha1 1db83cb1f6027b2a5b4788bc496e4031b484a5cb
sha256 9454077d32cffecbcfb4514667c7b26f0c83ff654ff7cee798c3ef503f11abb3
sha512 f13d061e61055164c0948f318168758fc489124a94202f1fc40b470e9e99b41396d3d68d174f64e764df482fd1f7341f8600ad28b3a1dd8917a988adb3b0b76a
ripemd-160 06e8087ac51834ceaf2c24b775cfe1ccc163e9f0

81272823 as geometric shapes

Circle

Radius = n
Diameter 162545646
Circumference 510652207.34661
Area 2.075107323112E+16

Sphere

Radius = n
Volume 2.2486644023638E+24
Surface area 8.300429292448E+16
Circumference 510652207.34661

Square

Length = n
Perimeter 325091292
Area 6605271758389329
Diagonal 114937128.53895

Cube

Length = n
Surface area 39631630550335974
Volume 5.3682908248647E+23
Space diagonal 140768658.71055

Equilateral Triangle

Length = n
Perimeter 243818469
Area 2.8601665708325E+15
Altitude 70384329.355276

Triangular Pyramid

Length = n
Surface area 2.8601665708325E+15
Volume 6.3265914094056E+22
Height 38312376.179649