81245232 (number)

81245232 is an even 8-digits composite number following 81245231 and preceding 81245233. In scientific notation, it is written as 8.1245232 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 60 positive divisors. There are 26449920 positive integers (up to 81245232) that are relatively prime to 81245232.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-five thousand two hundred thirty-two

Notation

Scientific notation 8.1245232 × 10^7
Engineering notation 8.1245232 × 10^6

Prime Factorization of 81245232

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 43 × 13121

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3385218
Product of the distinct prime numbers

The prime factorization of 81245232 is 2 × 2 × 2 × 2 × 3 × 3 × 43 × 13121. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 10, 39, 90, 350, 971, 7898, 2627, 39554, 56104, 283007, 86701, 2784691, 3423389, 92666779, 39539673, 556526141, 74824697, 7811739236, 9670421354

Basic calculations (n = 81245232)

Multiplication

n×y
n×2 162490464
n×3 243735696
n×4 324980928
n×5 406226160

Division

n÷y
n÷2 40622616
n÷3 27081744
n÷3 20311308
n÷5 16249046.4

Exponentiation

ny
n2 6600787722733824
n3 5.3628252991626E+23
n4 4.3570398560594E+31
n5 3.5398871393879E+39

Nth Root

y√n
2√n 9013.6137037262
3√n 433.11108024204
4√n 94.940053211098
5√n 38.19087217934

Divisors of 81245232

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 6192, 13121, 26242, 39363, 52484, 78726, 104968, 118089, 157452, 209936, 236178, 314904, 472356, 564203, 629808, 944712, 1128406, 1692609, 1889424, 2256812, 3385218, 4513624, 5077827, 6770436, 9027248, 10155654, 13540872, 20311308, 27081744, 40622616, 81245232

60 divisors

τ Total Divisors 60
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81245231
Sum of the proper positive divisors of n
A Arithmetic Mean 0.016666666666667
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 60
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81245232 can be divided by 60 positive divisors. The sum of these divisors (counting 81245232) is 1, the average is 0.016666666666667.

Base conversion 81245232

Base System Value
2 Binary 100110101111011010000110000
3 Ternary 12122212200111200
4 Quaternary 10311323100300
5 Quinary 131244321412
6 Senary 12021211200
8 Octal 465732060
10 Decimal 81245232
12 Duodecimal 23260b00
16 Hexadecimal 4d7b430
20 Vigesimal 157fd1c
36 Base36 1cdd80

Cryptographic Hash Functions

md5 7d2a91fffd226f9aa0ef6487174bf482
sha1 70cbdd0fed6dd4e20b0006d198b7d738adfbd751
sha256 5a75e19891bc79e29ed880813a18d3fcc8ed24378e216919bb523063035ff9b8
sha512 89d98fb0f876a6f9051f3c2927360c97df30060fe62133bdc61fc0c9ff5a03d6af2a1ac5518e3dd3ac9c04b5a1811d43fa328860f1c409b5f6499f56354ae2cf
ripemd-160 a5a6b2c711fb1147c76a6f75fef7413554d548e1

81245232 as geometric shapes

Circle

Radius = n
Diameter 162490464
Circumference 510478847.9808
Area 2.0736986217646E+16

Sphere

Radius = n
Volume 2.2463750083113E+24
Surface area 8.2947944870585E+16
Circumference 510478847.9808

Square

Length = n
Perimeter 324980928
Area 6600787722733824
Diagonal 114898108.97255

Cube

Length = n
Surface area 39604726336402944
Volume 5.3628252991626E+23
Space diagonal 140720869.69672

Equilateral Triangle

Length = n
Perimeter 243735696
Area 2.858224926438E+15
Altitude 70360434.84836

Triangular Pyramid

Length = n
Surface area 2.858224926438E+15
Volume 6.3201502255944E+22
Height 38299369.657516