81718404 (number)

81718404 is an even 8-digits composite number following 81718403 and preceding 81718405. In scientific notation, it is written as 8.1718404 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 72 positive divisors. There are 25486272 positive integers (up to 81718404) that are relatively prime to 81718404.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred eighteen thousand four hundred four

Notation

Scientific notation 8.1718404 × 10^7
Engineering notation 8.1718404 × 10^6

Prime Factorization of 81718404

Prime Factorization 2 × 2 × 3 × 127 × 29 × 43 × 43

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 950214
Product of the distinct prime numbers

The prime factorization of 81718404 is 2 × 2 × 3 × 127 × 29 × 43 × 43. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 7, 16, 48, 764, 895, 3636, 7789, 73700, 38220, 701423, 443451, 4960629, 2482594, 27106883, 86397326, 801938750, 366849064, 6305029950, 1597044249

Basic calculations (n = 81718404)

Multiplication

n×y
n×2 163436808
n×3 245155212
n×4 326873616
n×5 408592020

Division

n÷y
n÷2 40859202
n÷3 27239468
n÷3 20429601
n÷5 16343680.8

Exponentiation

ny
n2 6677897552307216
n3 5.4570713005005E+23
n4 4.4594315719111E+31
n5 3.6441763080378E+39

Nth Root

y√n
2√n 9039.8232283602
3√n 433.95026577268
4√n 95.077984982646
5√n 38.235253614661

Divisors of 81718404

1, 2, 3, 4, 6, 12, 29, 43, 58, 86, 87, 116, 127, 129, 172, 174, 254, 258, 348, 381, 508, 516, 762, 1247, 1524, 1849, 2494, 3683, 3698, 3741, 4988, 5461, 5547, 7366, 7396, 7482, 10922, 11049, 11094, 14732, 14964, 16383, 21844, 22098, 22188, 32766, 44196, 53621, 65532, 107242, 158369, 160863, 214484, 234823, 316738, 321726, 469646, 475107, 633476, 643452, 704469, 939292, 950214, 1408938, 1900428, 2817876, 6809867, 13619734, 20429601, 27239468, 40859202, 81718404

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 -81718403
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 81718404 can be divided by 72 positive divisors. The sum of these divisors (counting 81718404) is 1, the average is 0.013888888888889.

Base conversion 81718404

Base System Value
2 Binary 100110111101110110010000100
3 Ternary 12200202201120120
4 Quaternary 10313232302010
5 Quinary 131404442104
6 Senary 12035301540
8 Octal 467566204
10 Decimal 81718404
12 Duodecimal 2344a8b0
16 Hexadecimal 4deec84
20 Vigesimal 15aeg04
36 Base36 1cnibo

Cryptographic Hash Functions

md5 14f25109958d6cdbcadb43397a2288fe
sha1 f42f8fdd6b53a280f84c82d7b545ec213ca9b121
sha256 a62534efef064725c30d407e76d3b96a9c12e05a49250f01d82073c258e5f86e
sha512 dc63eaf7dd410d03fe63ae99526f6f78b1dce45402f19031e53649dd99f2b12fefdcea47290e52b0c36ced3e50be36b7d0e4b96291e277926dc8cefe3149f2e9
ripemd-160 b93822f7a791eff87c94cca9e1ced9f4acd1607d

81718404 as geometric shapes

Circle

Radius = n
Diameter 163436808
Circumference 513451875.33897
Area 2.0979233891754E+16

Sphere

Radius = n
Volume 2.2858526810358E+24
Surface area 8.3916935567014E+16
Circumference 513451875.33897

Square

Length = n
Perimeter 326873616
Area 6677897552307216
Diagonal 115567275.23228

Cube

Length = n
Surface area 40067385313843296
Volume 5.4570713005005E+23
Space diagonal 141540427.64144

Equilateral Triangle

Length = n
Perimeter 245155212
Area 2.891614462084E+15
Altitude 70770213.82072

Triangular Pyramid

Length = n
Surface area 2.891614462084E+15
Volume 6.4312202033374E+22
Height 38522425.077428