81344771 (number)

81344771 is an odd 8-digits composite number following 81344770 and preceding 81344772. In scientific notation, it is written as 8.1344771 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 78682240 positive integers (up to 81344771) that are relatively prime to 81344771.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-four thousand seven hundred seventy-one

Notation

Scientific notation 8.1344771 × 10^7
Engineering notation 8.1344771 × 10^6

Prime Factorization of 81344771

Prime Factorization 53 × 71 × 21617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81344771
Product of the distinct prime numbers

The prime factorization of 81344771 is 53 × 71 × 21617. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 12, 6, 771, 162, 5295, 5378, 57425, 43290, 22104, 896915, 9443498, 575827, 70806068, 25433770, 349086578, 604607159, 2083414137, 3663828620

Basic calculations (n = 81344771)

Multiplication

n×y
n×2 162689542
n×3 244034313
n×4 325379084
n×5 406723855

Division

n÷y
n÷2 40672385.5
n÷3 27114923.666667
n÷3 20336192.75
n÷5 16268954.2

Exponentiation

ny
n2 6616971769042441
n3 5.3825605326622E+23
n4 4.3784315392305E+31
n5 3.5616251089788E+39

Nth Root

y√n
2√n 9019.1336058404
3√n 433.28788589774
4√n 94.9691192222
5√n 38.200225638049

Divisors of 81344771

1, 53, 71, 3763, 21617, 1145701, 1534807, 81344771

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 -81344770
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 81344771 can be divided by 8 positive divisors. The sum of these divisors (counting 81344771) is 1, the average is 0.125.

Base conversion 81344771

Base System Value
2 Binary 100110110010011100100000011
3 Ternary 12200001202001022
4 Quaternary 10312103210003
5 Quinary 131311013041
6 Senary 12023300055
8 Octal 466234403
10 Decimal 81344771
12 Duodecimal 232aa62b
16 Hexadecimal 4d93903
20 Vigesimal 15881ib
36 Base36 1cfi0z

Cryptographic Hash Functions

md5 43188a7e28a87e374bf80c971d56e2ef
sha1 57c9b39ee36789ff77207664c2908adfaa67658e
sha256 8c29579f392807a34fc7be03b1c9069f6f0c3f8a650be6f61d5ce108edc5f6de
sha512 d2fea60601e99dfdc15210037f86acb0c218f1ff2bc959a246768281eb4864d4178e1f6fc6e04008f361b7ced2ccc496429e31a84ae469cd866c96fc10282b45
ripemd-160 e588cc9afaf25b52f84d9a14ac2602dd32d942d7

81344771 as geometric shapes

Circle

Radius = n
Diameter 162689542
Circumference 511104269.96309
Area 2.0787829898635E+16

Sphere

Radius = n
Volume 2.2546416835885E+24
Surface area 8.3151319594539E+16
Circumference 511104269.96309

Square

Length = n
Perimeter 325379084
Area 6616971769042441
Diagonal 115038878.37633

Cube

Length = n
Surface area 39701830614254646
Volume 5.3825605326622E+23
Space diagonal 140893276.30206

Equilateral Triangle

Length = n
Perimeter 244034313
Area 2.8652328240576E+15
Altitude 70446638.151028

Triangular Pyramid

Length = n
Surface area 2.8652328240576E+15
Volume 6.3434084213209E+22
Height 38346292.792111