81640296 (number)

81640296 is an even 8-digits composite number following 81640295 and preceding 81640297. In scientific notation, it is written as 8.1640296 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors. There are 27213408 positive integers (up to 81640296) that are relatively prime to 81640296.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1640296 × 10^7
Engineering notation 8.1640296 × 10^6

Prime Factorization of 81640296

Prime Factorization 2 × 2 × 2 × 9 × 1133893

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20410074
Product of the distinct prime numbers

The prime factorization of 81640296 is 2 × 2 × 2 × 9 × 1133893. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 25, 69, 440, 943, 8778, 2866, 85141, 52344, 845927, 336554, 8538125, 7563782, 35991486, 72957350, 256012254, 679627325, 9578802708, 8532340243

Basic calculations (n = 81640296)

Multiplication

n×y
n×2 163280592
n×3 244920888
n×4 326561184
n×5 408201480

Division

n÷y
n÷2 40820148
n÷3 27213432
n÷3 20410074
n÷5 16328059.2

Exponentiation

ny
n2 6665137930967616
n3 5.4414383356502E+23
n4 4.4424063638823E+31
n5 3.6267937049964E+39

Nth Root

y√n
2√n 9035.5019783076
3√n 433.81196240161
4√n 95.05525749956
5√n 38.227941622474

Divisors of 81640296

1, 2, 4, 8, 9, 18, 36, 72, 1133893, 2267786, 4535572, 9071144, 10205037, 20410074, 40820148, 81640296

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 -81640295
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 81640296 can be divided by 16 positive divisors. The sum of these divisors (counting 81640296) is 1, the average is 0.0625.

Base conversion 81640296

Base System Value
2 Binary 100110111011011101101101000
3 Ternary 12200121202102200
4 Quaternary 10313123231220
5 Quinary 131344442141
6 Senary 12033500200
8 Octal 467335550
10 Decimal 81640296
12 Duodecimal 23411660
16 Hexadecimal 4ddbb68
20 Vigesimal 15a50eg
36 Base36 1clu20

Cryptographic Hash Functions

md5 1a2e771b81b0c4b7de39387da7202202
sha1 f2d39f668ee328bdfd5d85faf5ddeb6cf3672f8c
sha256 b520a9d64056fde2d4b7a1e82399d996771fc85ce4c4b82b174197311bf29236
sha512 36c74f824c916a17a57651585c48118ed98c0667063e16e090497a84f61a032e0944feb82562ef67955e9ed7f38be331799716320cf75799279f195e277ff3ae
ripemd-160 5619055c2e3cf65d15451e52994098c5aa5c6668

81640296 as geometric shapes

Circle

Radius = n
Diameter 163280592
Circumference 512961108.30099
Area 2.0939148359091E+16

Sphere

Radius = n
Volume 2.2793043600321E+24
Surface area 8.3756593436362E+16
Circumference 512961108.30099

Square

Length = n
Perimeter 326561184
Area 6665137930967616
Diagonal 115456813.83935

Cube

Length = n
Surface area 39990827585805696
Volume 5.4414383356502E+23
Space diagonal 141405140.61696

Equilateral Triangle

Length = n
Perimeter 244920888
Area 2.8860893839726E+15
Altitude 70702570.308481

Triangular Pyramid

Length = n
Surface area 2.8860893839726E+15
Volume 6.4127965775779E+22
Height 38485604.613118