81279246 (number)

81279246 is an even 8-digits composite number following 81279245 and preceding 81279247. In scientific notation, it is written as 8.1279246 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 26941368 positive integers (up to 81279246) that are relatively prime to 81279246.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-nine thousand two hundred forty-six

Notation

Scientific notation 8.1279246 × 10^7
Engineering notation 8.1279246 × 10^6

Prime Factorization of 81279246

Prime Factorization 2 × 3 × 179 × 75679

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81279246
Product of the distinct prime numbers

The prime factorization of 81279246 is 2 × 3 × 179 × 75679. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 62, 23, 689, 604, 9114, 3617, 70035, 25225, 82145, 445922, 8540913, 59171, 61556067, 98545610, 5754123, 780925354, 6443952595, 8550913923

Basic calculations (n = 81279246)

Multiplication

n×y
n×2 162558492
n×3 243837738
n×4 325116984
n×5 406396230

Division

n÷y
n÷2 40639623
n÷3 27093082
n÷3 20319811.5
n÷5 16255849.2

Exponentiation

ny
n2 6606315830328516
n3 5.3695636952697E+23
n4 4.3643408850049E+31
n5 3.5473033642017E+39

Nth Root

y√n
2√n 9015.5003188952
3√n 433.1715136752
4√n 94.949988514455
5√n 38.19406942996

Divisors of 81279246

1, 2, 3, 6, 179, 358, 537, 1074, 75679, 151358, 227037, 454074, 13546541, 27093082, 40639623, 81279246

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 -81279245
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 81279246 can be divided by 16 positive divisors. The sum of these divisors (counting 81279246) is 1, the average is 0.0625.

Base conversion 81279246

Base System Value
2 Binary 100110110000011100100001110
3 Ternary 12122221102011110
4 Quaternary 10312003210032
5 Quinary 131301413441
6 Senary 12022032450
8 Octal 466034416
10 Decimal 81279246
12 Duodecimal 23278726
16 Hexadecimal 4d8390e
20 Vigesimal 157ji26
36 Base36 1ce3gu

Cryptographic Hash Functions

md5 23e44f9e752b79515d6202df6f9415ba
sha1 69dcb3bb759d7b45a33990e37d837da838c28b4e
sha256 8be127f1607cf61cf73464d7768ef6d395a9bb71d318cc20be10483cb2560391
sha512 5121ac961aff807241501f08f685ece587427deb530db45a463fe71bd1f3da07c465e328cc0aefb7e9185508583b254b5eca0b2020f8bf7ce4c0b23e34fc32ae
ripemd-160 187008feb45ddd22da9625d1aacd86d7cec2ef42

81279246 as geometric shapes

Circle

Radius = n
Diameter 162558492
Circumference 510692564.24584
Area 2.0754353279854E+16

Sphere

Radius = n
Volume 2.2491975810722E+24
Surface area 8.3017413119416E+16
Circumference 510692564.24584

Square

Length = n
Perimeter 325116984
Area 6606315830328516
Diagonal 114946212.03266

Cube

Length = n
Surface area 39637894981971096
Volume 5.3695636952697E+23
Space diagonal 140779783.67289

Equilateral Triangle

Length = n
Perimeter 243837738
Area 2.8606186672439E+15
Altitude 70389891.836445

Triangular Pyramid

Length = n
Surface area 2.8606186672439E+15
Volume 6.3280915015638E+22
Height 38315404.010886