81492528 (number)

81492528 is an even 8-digits composite number following 81492527 and preceding 81492529. In scientific notation, it is written as 8.1492528 × 10^7. The sum of its digits is 39. It has a total of 8 prime factors and 80 positive divisors. There are 24717312 positive integers (up to 81492528) that are relatively prime to 81492528.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-two thousand five hundred twenty-eight

Notation

Scientific notation 8.1492528 × 10^7
Engineering notation 8.1492528 × 10^6

Prime Factorization of 81492528

Prime Factorization 2 × 2 × 2 × 2 × 3 × 13 × 73 × 1789

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 10186566
Product of the distinct prime numbers

The prime factorization of 81492528 is 2 × 2 × 2 × 2 × 3 × 13 × 73 × 1789. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 6, 26, 68, 640, 336, 1005, 5555, 63358, 41269, 973931, 622848, 4650667, 7225271, 18991862, 16898755, 766521244, 686679072, 7791113314, 9490088638

Basic calculations (n = 81492528)

Multiplication

n×y
n×2 162985056
n×3 244477584
n×4 325970112
n×5 407462640

Division

n÷y
n÷2 40746264
n÷3 27164176
n÷3 20373132
n÷5 16298505.6

Exponentiation

ny
n2 6641032119830784
n3 5.4119449597421E+23
n4 4.4103307616624E+31
n5 3.5940900308404E+39

Nth Root

y√n
2√n 9027.3211973431
3√n 433.55007277239
4√n 95.012216042692
5√n 38.214093165388

Divisors of 81492528

1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 73, 78, 104, 146, 156, 208, 219, 292, 312, 438, 584, 624, 876, 949, 1168, 1752, 1789, 1898, 2847, 3504, 3578, 3796, 5367, 5694, 7156, 7592, 10734, 11388, 14312, 15184, 21468, 22776, 23257, 28624, 42936, 45552, 46514, 69771, 85872, 93028, 130597, 139542, 186056, 261194, 279084, 372112, 391791, 522388, 558168, 783582, 1044776, 1116336, 1567164, 1697761, 2089552, 3134328, 3395522, 5093283, 6268656, 6791044, 10186566, 13582088, 20373132, 27164176, 40746264, 81492528

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81492527
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81492528 can be divided by 80 positive divisors. The sum of these divisors (counting 81492528) is 1, the average is 0.0125.

Base conversion 81492528

Base System Value
2 Binary 100110110110111101000110000
3 Ternary 12200100020201210
4 Quaternary 10312313220300
5 Quinary 131330230103
6 Senary 12030400120
8 Octal 466675060
10 Decimal 81492528
12 Duodecimal 23360040
16 Hexadecimal 4db7a30
20 Vigesimal 1596b68
36 Base36 1cio1c

Cryptographic Hash Functions

md5 e97a7181ef55153c5c587a6a8320f7ac
sha1 d2f73c54732a147313455082994ecc68dff506d3
sha256 74e456becf67d2ae60d3e27ca84a52d298037add5b55e4feb466a4a381d7bace
sha512 35dd2d6badd3c623bb365e1102093a62a68a5b06f73f8a45cc390606af573af8a838f61f74c2505df9aff2b06a6b6451c30863566cde6cf00d4ed709a2442ebd
ripemd-160 6ce161f1a1cae715832a574fed4b9804047620d0

81492528 as geometric shapes

Circle

Radius = n
Diameter 162985056
Circumference 512032654.57452
Area 2.0863417719914E+16

Sphere

Radius = n
Volume 2.2669502036211E+24
Surface area 8.3453670879657E+16
Circumference 512032654.57452

Square

Length = n
Perimeter 325970112
Area 6641032119830784
Diagonal 115247838.32967

Cube

Length = n
Surface area 39846192718984704
Volume 5.4119449597421E+23
Space diagonal 141149198.93323

Equilateral Triangle

Length = n
Perimeter 244477584
Area 2.8756512615609E+15
Altitude 70574599.466615

Triangular Pyramid

Length = n
Surface area 2.8756512615609E+15
Volume 6.3780383007367E+22
Height 38415946.10989