81755504 (number)

81755504 is an even 8-digits composite number following 81755503 and preceding 81755505. In scientific notation, it is written as 8.1755504 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 10 positive divisors. There are 40877744 positive integers (up to 81755504) that are relatively prime to 81755504.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty-five thousand five hundred four

Notation

Scientific notation 8.1755504 × 10^7
Engineering notation 8.1755504 × 10^6

Prime Factorization of 81755504

Prime Factorization 2 × 2 × 2 × 2 × 5109719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10219438
Product of the distinct prime numbers

The prime factorization of 81755504 is 2 × 2 × 2 × 2 × 5109719. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 9, 12, 92, 560, 314, 1355, 1636, 51978, 93754, 671969, 698039, 3480460, 3328812, 25872418, 24930025, 243180779, 958395960, 7477435848, 7663526291

Basic calculations (n = 81755504)

Multiplication

n×y
n×2 163511008
n×3 245266512
n×4 327022016
n×5 408777520

Division

n÷y
n÷2 40877752
n÷3 27251834.666667
n÷3 20438876
n÷5 16351100.8

Exponentiation

ny
n2 6683962434294016
n3 5.4645071753277E+23
n4 4.4675353823054E+31
n5 3.6524560681821E+39

Nth Root

y√n
2√n 9041.8750267851
3√n 434.01592670215
4√n 95.088774452009
5√n 38.238724730851

Divisors of 81755504

1, 2, 4, 8, 16, 5109719, 10219438, 20438876, 40877752, 81755504

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81755503
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81755504 can be divided by 10 positive divisors. The sum of these divisors (counting 81755504) is 1, the average is 0.1.

Base conversion 81755504

Base System Value
2 Binary 100110111110111110101110000
3 Ternary 12200211121110122
4 Quaternary 10313313311300
5 Quinary 131412134004
6 Senary 12040145412
8 Octal 467676560
10 Decimal 81755504
12 Duodecimal 23468268
16 Hexadecimal 4df7d70
20 Vigesimal 15aj8f4
36 Base36 1coay8

Cryptographic Hash Functions

md5 598ddabb2e045814f969479a66462f0a
sha1 e128375f281ae7eb406e029c0d32ddde61755c4c
sha256 9bd264f53e9bc659a5093f942e3dd9aa16d6bc73123e4d9c0ed1bd66b68351e1
sha512 17823fba47d0b73c6f39d3cbc09dd22375487e63d33741beccdd30ab4cefc91cd52e0f9b7219cf467b09ea61036d6114887e400c0d8fd3d030702eb493c0960b
ripemd-160 d094a3e9462964bcbb372ddd16cee30143191e4a

81755504 as geometric shapes

Circle

Radius = n
Diameter 163511008
Circumference 513684981.51386
Area 2.0998287280448E+16

Sphere

Radius = n
Volume 2.2889674129998E+24
Surface area 8.3993149121793E+16
Circumference 513684981.51386

Square

Length = n
Perimeter 327022016
Area 6683962434294016
Diagonal 115619742.55545

Cube

Length = n
Surface area 40103774605764096
Volume 5.4645071753277E+23
Space diagonal 141604686.7264

Equilateral Triangle

Length = n
Perimeter 245266512
Area 2.8942406330197E+15
Altitude 70802343.3632

Triangular Pyramid

Length = n
Surface area 2.8942406330197E+15
Volume 6.4399834658613E+22
Height 38539914.185149