81497384 (number)

81497384 is an even 8-digits composite number following 81497383 and preceding 81497385. In scientific notation, it is written as 8.1497384 × 10^7. The sum of its digits is 44. It has a total of 7 prime factors and 64 positive divisors. There are 36578304 positive integers (up to 81497384) that are relatively prime to 81497384.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand three hundred eighty-four

Notation

Scientific notation 8.1497384 × 10^7
Engineering notation 8.1497384 × 10^6

Prime Factorization of 81497384

Prime Factorization 2 × 2 × 2 × 43 × 19 × 37 × 337

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20374346
Product of the distinct prime numbers

The prime factorization of 81497384 is 2 × 2 × 2 × 43 × 19 × 37 × 337. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 10, 83, 70, 539, 47, 3050, 4984, 35301, 4226, 922334, 883129, 6637317, 1239413, 91944224, 64310879, 81819145, 310911026, 2818085778, 8976370286

Basic calculations (n = 81497384)

Multiplication

n×y
n×2 162994768
n×3 244492152
n×4 325989536
n×5 407486920

Division

n÷y
n÷2 40748692
n÷3 27165794.666667
n÷3 20374346
n÷5 16299476.8

Exponentiation

ny
n2 6641823598843456
n3 5.4129124829521E+23
n4 4.4113820718154E+31
n5 3.5951609867745E+39

Nth Root

y√n
2√n 9027.5901546315
3√n 433.55868410314
4√n 95.013631414821
5√n 38.21454857699

Divisors of 81497384

1, 2, 4, 8, 19, 37, 38, 43, 74, 76, 86, 148, 152, 172, 296, 337, 344, 674, 703, 817, 1348, 1406, 1591, 1634, 2696, 2812, 3182, 3268, 5624, 6364, 6403, 6536, 12469, 12728, 12806, 14491, 24938, 25612, 28982, 30229, 49876, 51224, 57964, 60458, 99752, 115928, 120916, 236911, 241832, 275329, 473822, 536167, 550658, 947644, 1072334, 1101316, 1895288, 2144668, 2202632, 4289336, 10187173, 20374346, 40748692, 81497384

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497383
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497384 can be divided by 64 positive divisors. The sum of these divisors (counting 81497384) is 1, the average is 0.015625.

Base conversion 81497384

Base System Value
2 Binary 100110110111000110100101000
3 Ternary 12200100111101122
4 Quaternary 10312320310220
5 Quinary 131330404014
6 Senary 12030434412
8 Octal 466706450
10 Decimal 81497384
12 Duodecimal 23362a08
16 Hexadecimal 4db8d28
20 Vigesimal 1597394
36 Base36 1cirs8

Cryptographic Hash Functions

md5 0f39f18b1a9c5717ee342e0395c58398
sha1 efd4aba9e2b7447c069b0832ce3b1604fc1fbcd0
sha256 2af57f88ac3d4cdd7608a61e7742e7d6da908574fb85f497cb883820f5f3b0c8
sha512 73d28345cecba7591bb9313bf7384467463059dadaf300ea0e6129645901af4192acc803ac0f124d3fe754ef0b645dad7c70204c21d086836e3483dc9afd125a
ripemd-160 6e9985ffd17ed37a5717e47951b5fcf5cad0ca0a

81497384 as geometric shapes

Circle

Radius = n
Diameter 162994768
Circumference 512063165.72237
Area 2.0865904224566E+16

Sphere

Radius = n
Volume 2.2673554787956E+24
Surface area 8.3463616898264E+16
Circumference 512063165.72237

Square

Length = n
Perimeter 325989536
Area 6641823598843456
Diagonal 115254705.75073

Cube

Length = n
Surface area 39850941593060736
Volume 5.4129124829521E+23
Space diagonal 141157609.77195

Equilateral Triangle

Length = n
Perimeter 244492152
Area 2.8759939820267E+15
Altitude 70578804.885975

Triangular Pyramid

Length = n
Surface area 2.8759939820267E+15
Volume 6.3791785377745E+22
Height 38418235.250243