81663722 (number)

81663722 is an even 8-digits composite number following 81663721 and preceding 81663723. In scientific notation, it is written as 8.1663722 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors. There are 33798960 positive integers (up to 81663722) that are relatively prime to 81663722.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred sixty-three thousand seven hundred twenty-two

Notation

Scientific notation 8.1663722 × 10^7
Engineering notation 8.1663722 × 10^6

Prime Factorization of 81663722

Prime Factorization 2 × 7 × 79 × 47 × 1571

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81663722
Product of the distinct prime numbers

The prime factorization of 81663722 is 2 × 7 × 79 × 47 × 1571. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 68, 94, 767, 332, 677, 747, 87369, 68557, 53579, 392823, 1363693, 4851079, 53683576, 68083700, 578846078, 359396913, 4476926682, 8466447606

Basic calculations (n = 81663722)

Multiplication

n×y
n×2 163327444
n×3 244991166
n×4 326654888
n×5 408318610

Division

n÷y
n÷2 40831861
n÷3 27221240.666667
n÷3 20415930.5
n÷5 16332744.4

Exponentiation

ny
n2 6668963490893284
n3 5.4461238054846E+23
n4 4.4475074042868E+31
n5 3.6320000825662E+39

Nth Root

y√n
2√n 9036.7982161825
3√n 433.85345133812
4√n 95.062075593701
5√n 38.230135208329

Divisors of 81663722

1, 2, 7, 14, 47, 79, 94, 158, 329, 553, 658, 1106, 1571, 3142, 3713, 7426, 10997, 21994, 25991, 51982, 73837, 124109, 147674, 248218, 516859, 868763, 1033718, 1737526, 5833123, 11666246, 40831861, 81663722

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81663721
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81663722 can be divided by 32 positive divisors. The sum of these divisors (counting 81663722) is 1, the average is 0.03125.

Base conversion 81663722

Base System Value
2 Binary 100110111100001011011101010
3 Ternary 12200122221120022
4 Quaternary 10313201123222
5 Quinary 131401214342
6 Senary 12034200442
8 Octal 467413352
10 Decimal 81663722
12 Duodecimal 23423122
16 Hexadecimal 4de16ea
20 Vigesimal 15a7j62
36 Base36 1cmc4q

Cryptographic Hash Functions

md5 7dc2c3bdbacc6b749aa44b3fb16c2f62
sha1 bcc3e8b3f4f2f72524e37fc249b88f66a7673941
sha256 2f9929343a467caa25fd3e6aebf28d038f9061b7d2afd324d509cd88e5bcd4d1
sha512 dd58540f9de21ecbefcd5c707d0bdb20bf06899ea4b25b4000d4da642ea83b57179491b2fc5df4966230b9ce479d95e1e4970288ae9a0b3dbf62abd7c99e7e11
ripemd-160 ad6e81f21d32c016f6a1942c6d4157e32605012a

81663722 as geometric shapes

Circle

Radius = n
Diameter 163327444
Circumference 513108298.2
Area 2.0951166710049E+16

Sphere

Radius = n
Volume 2.2812670050468E+24
Surface area 8.3804666840196E+16
Circumference 513108298.2

Square

Length = n
Perimeter 326654888
Area 6668963490893284
Diagonal 115489943.20627

Cube

Length = n
Surface area 40013780945359704
Volume 5.4461238054846E+23
Space diagonal 141445715.63918

Equilateral Triangle

Length = n
Perimeter 244991166
Area 2.8877459000123E+15
Altitude 70722857.81959

Triangular Pyramid

Length = n
Surface area 2.8877459000123E+15
Volume 6.4183184567327E+22
Height 38496647.735422