81640232 (number)

81640232 is an even 8-digits composite number following 81640231 and preceding 81640233. In scientific notation, it is written as 8.1640232 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors. There are 40765104 positive integers (up to 81640232) that are relatively prime to 81640232.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty thousand two hundred thirty-two

Notation

Scientific notation 8.1640232 × 10^7
Engineering notation 8.1640232 × 10^6

Prime Factorization of 81640232

Prime Factorization 2 × 2 × 2 × 787 × 12967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20410058
Product of the distinct prime numbers

The prime factorization of 81640232 is 2 × 2 × 2 × 787 × 12967. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 61, 97, 822, 666, 7851, 2102, 66487, 51031, 698928, 648101, 8767787, 3403046, 2590966, 56011978, 805035356, 272522098, 7810503296, 8197776784

Basic calculations (n = 81640232)

Multiplication

n×y
n×2 163280464
n×3 244920696
n×4 326560928
n×5 408201160

Division

n÷y
n÷2 40820116
n÷3 27213410.666667
n÷3 20410058
n÷5 16328046.4

Exponentiation

ny
n2 6665127481013824
n3 5.4414255385954E+23
n4 4.4423924338166E+31
n5 3.6267794893183E+39

Nth Root

y√n
2√n 9035.4984367217
3√n 433.81184904267
4√n 95.055238870468
5√n 38.227935628892

Divisors of 81640232

1, 2, 4, 8, 787, 1574, 3148, 6296, 12967, 25934, 51868, 103736, 10205029, 20410058, 40820116, 81640232

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81640231
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81640232 can be divided by 16 positive divisors. The sum of these divisors (counting 81640232) is 1, the average is 0.0625.

Base conversion 81640232

Base System Value
2 Binary 100110111011011101100101000
3 Ternary 12200121202100022
4 Quaternary 10313123230220
5 Quinary 131344441412
6 Senary 12033500012
8 Octal 467335450
10 Decimal 81640232
12 Duodecimal 23411608
16 Hexadecimal 4ddbb28
20 Vigesimal 15a50bc
36 Base36 1clu08

Cryptographic Hash Functions

md5 4a66a8c7f385d6a45b1ff72db0c51413
sha1 3122edacca125c3bafe4104a459e33614bea44b3
sha256 8746c22368bfa880208bb5feec3367adca2c1e3b3ee8125bd339ebf5418d3de8
sha512 0d76c5d76c71911702581b7f5f4ae915a255388cc50b4de89652f59119422acbbcb7301c30f8f78232a8de96349e44ee795626ef5a8424d89428296b4de20889
ripemd-160 52f16a9fc60e9e715757a17ca35579f4952eac53

81640232 as geometric shapes

Circle

Radius = n
Diameter 163280464
Circumference 512960706.17713
Area 2.0939115529592E+16

Sphere

Radius = n
Volume 2.2792989996143E+24
Surface area 8.375646211837E+16
Circumference 512960706.17713

Square

Length = n
Perimeter 326560928
Area 6665127481013824
Diagonal 115456723.32969

Cube

Length = n
Surface area 39990764886082944
Volume 5.4414255385954E+23
Space diagonal 141405029.76571

Equilateral Triangle

Length = n
Perimeter 244920696
Area 2.8860848590099E+15
Altitude 70702514.882855

Triangular Pyramid

Length = n
Surface area 2.8860848590099E+15
Volume 6.4127814961042E+22
Height 38485574.443229