81043904 (number)

81043904 is an even 8-digits composite number following 81043903 and preceding 81043905. In scientific notation, it is written as 8.1043904 × 10^7. The sum of its digits is 29. It has a total of 8 prime factors and 28 positive divisors. There are 38759424 positive integers (up to 81043904) that are relatively prime to 81043904.

Interesting facts

Basic properties

Name

Name eighty-one million forty-three thousand nine hundred four

Notation

Scientific notation 8.1043904 × 10^7
Engineering notation 8.1043904 × 10^6

Prime Factorization of 81043904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 23 × 55057

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2532622
Product of the distinct prime numbers

The prime factorization of 81043904 is 2 × 2 × 2 × 2 × 2 × 2 × 23 × 55057. Since it has a total of 8 prime factors.

Most popular turbo-numbers

9, 1, 7, 2, 988, 513, 9908, 9480, 17853, 8576, 161895, 413499, 7542711, 1985837, 15865919, 34881138, 307640521, 23677710, 3571818638, 6198110467

Basic calculations (n = 81043904)

Multiplication

n×y
n×2 162087808
n×3 243131712
n×4 324175616
n×5 405219520

Division

n÷y
n÷2 40521952
n÷3 27014634.666667
n÷3 20260976
n÷5 16208780.8

Exponentiation

ny
n2 6568114375561216
n3 5.32305630914E+23
n4 4.3140126450454E+31
n5 3.4962442665984E+39

Nth Root

y√n
2√n 9002.438780686
3√n 432.75303046031
4√n 94.881182437225
5√n 38.171925776227

Divisors of 81043904

1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 184, 368, 736, 1472, 55057, 110114, 220228, 440456, 880912, 1266311, 1761824, 2532622, 3523648, 5065244, 10130488, 20260976, 40521952, 81043904

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81043903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81043904 can be divided by 28 positive divisors. The sum of these divisors (counting 81043904) is 1, the average is 0.035714285714286.

Base conversion 81043904

Base System Value
2 Binary 100110101001010000111000000
3 Ternary 12122111110100002
4 Quaternary 10311022013000
5 Quinary 131221401104
6 Senary 12013015132
8 Octal 465120700
10 Decimal 81043904
12 Duodecimal 231844a8
16 Hexadecimal 4d4a1c0
20 Vigesimal 156a9f4
36 Base36 1c91vk

Cryptographic Hash Functions

md5 0eb3c981f71d952efecdfee7757a74d1
sha1 a91891a876fb27cf1b132685a03bd04586ecb7c4
sha256 72cdee575219423cf1b665f2fef4b75d27b1fb3e0dd0767cf7d94d42372ceac6
sha512 19ab63d99191adc97e0471a941e108fbc4e490f502dd6452eea79b180528de61844beedaf19a262451ddfa2d9063c5087106f09bd14e83014a8cb3482123ca19
ripemd-160 d9c39a544dc08ef0199ad5da3ff82d625c323120

81043904 as geometric shapes

Circle

Radius = n
Diameter 162087808
Circumference 509213866.84927
Area 2.0634339870201E+16

Sphere

Radius = n
Volume 2.2297166127252E+24
Surface area 8.2537359480803E+16
Circumference 509213866.84927

Square

Length = n
Perimeter 324175616
Area 6568114375561216
Diagonal 114613388.18446

Cube

Length = n
Surface area 39408686253367296
Volume 5.32305630914E+23
Space diagonal 140372159.37173

Equilateral Triangle

Length = n
Perimeter 243131712
Area 2.8440769520989E+15
Altitude 70186079.685867

Triangular Pyramid

Length = n
Surface area 2.8440769520989E+15
Volume 6.2732820213846E+22
Height 38204462.728154