81330396 (number)

81330396 is an even 8-digits composite number following 81330395 and preceding 81330397. In scientific notation, it is written as 8.1330396 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 72 positive divisors. There are 23063040 positive integers (up to 81330396) that are relatively prime to 81330396.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand three hundred ninety-six

Notation

Scientific notation 8.1330396 × 10^7
Engineering notation 8.1330396 × 10^6

Prime Factorization of 81330396

Prime Factorization 2 × 2 × 3 × 7 × 7 × 157 × 881

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5809314
Product of the distinct prime numbers

The prime factorization of 81330396 is 2 × 2 × 3 × 7 × 7 × 157 × 881. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 7, 36, 41, 21, 857, 54, 9488, 63035, 50956, 845047, 842816, 7216706, 4593302, 96683230, 23273328, 43384651, 334135859, 8124747430, 473143606

Basic calculations (n = 81330396)

Multiplication

n×y
n×2 162660792
n×3 243991188
n×4 325321584
n×5 406651980

Division

n÷y
n÷2 40665198
n÷3 27110132
n÷3 20332599
n÷5 16266079.2

Exponentiation

ny
n2 6614633313516816
n3 5.3797074678311E+23
n4 4.3753373872286E+31
n5 3.5584792233691E+39

Nth Root

y√n
2√n 9018.3366537294
3√n 433.26236128927
4√n 94.964923280806
5√n 38.198875417114

Divisors of 81330396

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 157, 196, 294, 314, 471, 588, 628, 881, 942, 1099, 1762, 1884, 2198, 2643, 3297, 3524, 4396, 5286, 6167, 6594, 7693, 10572, 12334, 13188, 15386, 18501, 23079, 24668, 30772, 37002, 43169, 46158, 74004, 86338, 92316, 129507, 138317, 172676, 259014, 276634, 414951, 518028, 553268, 829902, 968219, 1659804, 1936438, 2904657, 3872876, 5809314, 6777533, 11618628, 13555066, 20332599, 27110132, 40665198, 81330396

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330395
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330396 can be divided by 72 positive divisors. The sum of these divisors (counting 81330396) is 1, the average is 0.013888888888889.

Base conversion 81330396

Base System Value
2 Binary 100110110010000000011011100
3 Ternary 12200001000022220
4 Quaternary 10312100003130
5 Quinary 131310033041
6 Senary 12023105340
8 Octal 466200334
10 Decimal 81330396
12 Duodecimal 232a2250
16 Hexadecimal 4d900dc
20 Vigesimal 15865jg
36 Base36 1cf6xo

Cryptographic Hash Functions

md5 93dedacfa3caa2fccd9f65a6fda15812
sha1 18e28c267074137804f094781fbdca973c6a6096
sha256 f2133498cb4930f770115c81b64bbb7abd3b226c0735e716f3b4952d5b2cf5a2
sha512 cc5e1c28234ae5e66912ef4b1ba8b8542482f5369942d8eab6dddf45a9fc28eac20d1ab36e65922ca92dd2d509161aa999b84f5df5072a994b567cdf97b27838
ripemd-160 6e4ec02aa1f210ca953d7bf8acf5aa4b06deeeb8

81330396 as geometric shapes

Circle

Radius = n
Diameter 162660792
Circumference 511013949.1743
Area 2.0780483423935E+16

Sphere

Radius = n
Volume 2.2534465945867E+24
Surface area 8.3121933695739E+16
Circumference 511013949.1743

Square

Length = n
Perimeter 325321584
Area 6614633313516816
Diagonal 115018549.05637

Cube

Length = n
Surface area 39687799881100896
Volume 5.3797074678311E+23
Space diagonal 140868378.0717

Equilateral Triangle

Length = n
Perimeter 243991188
Area 2.8642202431122E+15
Altitude 70434189.035848

Triangular Pyramid

Length = n
Surface area 2.8642202431122E+15
Volume 6.3400460521722E+22
Height 38339516.352125