81749296 (number)

81749296 is an even 8-digits composite number following 81749295 and preceding 81749297. In scientific notation, it is written as 8.1749296 × 10^7. The sum of its digits is 46. It has a total of 5 prime factors and 10 positive divisors. There are 40874640 positive integers (up to 81749296) that are relatively prime to 81749296.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1749296 × 10^7
Engineering notation 8.1749296 × 10^6

Prime Factorization of 81749296

Prime Factorization 2 × 2 × 2 × 2 × 5109331

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10218662
Product of the distinct prime numbers

The prime factorization of 81749296 is 2 × 2 × 2 × 2 × 5109331. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 3, 67, 29, 664, 667, 8345, 7074, 66534, 29010, 651779, 25221, 1899685, 2522159, 35180688, 3412366, 463441871, 575080207, 6162990823, 8978021686

Basic calculations (n = 81749296)

Multiplication

n×y
n×2 163498592
n×3 245247888
n×4 326997184
n×5 408746480

Division

n÷y
n÷2 40874648
n÷3 27249765.333333
n÷3 20437324
n÷5 16349859.2

Exponentiation

ny
n2 6682947396495616
n3 5.4632624486855E+23
n4 4.4661785904328E+31
n5 3.6510695557815E+39

Nth Root

y√n
2√n 9041.5317286398
3√n 434.004940942
4√n 95.086969289382
5√n 38.238143991446

Divisors of 81749296

1, 2, 4, 8, 16, 5109331, 10218662, 20437324, 40874648, 81749296

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 -81749295
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 81749296 can be divided by 10 positive divisors. The sum of these divisors (counting 81749296) is 1, the average is 0.1.

Base conversion 81749296

Base System Value
2 Binary 100110111110110010100110000
3 Ternary 12200211021221201
4 Quaternary 10313312110300
5 Quinary 131411434141
6 Senary 12040100544
8 Octal 467662460
10 Decimal 81749296
12 Duodecimal 23464754
16 Hexadecimal 4df6530
20 Vigesimal 15aid4g
36 Base36 1co65s

Cryptographic Hash Functions

md5 3d59e6cacda02a89d917fc4105b89f15
sha1 645af6725741d709075cc3002b3303447eb550c0
sha256 2eec81843b7c216842fc48a256fee98ca7b83300e20c8f63c27e1cbc087f3785
sha512 c172e1c0d04a2718f264411ab1ee41fe5e8984328e6680430d3036ceda663a4f7405b077f16cf1ba0ddf53179c814abd3a5e913a891c5335147a22a52dca0aa8
ripemd-160 c14876995662576e2e43533edd03a67fe7a895df

81749296 as geometric shapes

Circle

Radius = n
Diameter 163498592
Circumference 513645975.49947
Area 2.0995098445158E+16

Sphere

Radius = n
Volume 2.2884460231231E+24
Surface area 8.3980393780631E+16
Circumference 513645975.49947

Square

Length = n
Perimeter 326997184
Area 6682947396495616
Diagonal 115610963.11765

Cube

Length = n
Surface area 40097684378973696
Volume 5.4632624486855E+23
Space diagonal 141593934.15499

Equilateral Triangle

Length = n
Perimeter 245247888
Area 2.8938011087601E+15
Altitude 70796967.077494

Triangular Pyramid

Length = n
Surface area 2.8938011087601E+15
Volume 6.4385165414456E+22
Height 38536987.705884