81043908 (number)

81043908 is an even 8-digits composite number following 81043907 and preceding 81043909. In scientific notation, it is written as 8.1043908 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 24558720 positive integers (up to 81043908) that are relatively prime to 81043908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1043908 × 10^7
Engineering notation 8.1043908 × 10^6

Prime Factorization of 81043908

Prime Factorization 2 × 2 × 3 × 11 × 613969

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40521954
Product of the distinct prime numbers

The prime factorization of 81043908 is 2 × 2 × 3 × 11 × 613969. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 8, 49, 95, 424, 457, 683, 9253, 99666, 18060, 103988, 205999, 5456572, 9701968, 37225936, 92951579, 229793099, 143618795, 2889032912, 1994471617

Basic calculations (n = 81043908)

Multiplication

n×y
n×2 162087816
n×3 243131724
n×4 324175632
n×5 405219540

Division

n÷y
n÷2 40521954
n÷3 27014636
n÷3 20260977
n÷5 16208781.6

Exponentiation

ny
n2 6568115023912464
n3 5.3230570973138E+23
n4 4.3140134967345E+31
n5 3.4962451294011E+39

Nth Root

y√n
2√n 9002.4390028481
3√n 432.75303757996
4√n 94.881183607963
5√n 38.171926153029

Divisors of 81043908

1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 613969, 1227938, 1841907, 2455876, 3683814, 6753659, 7367628, 13507318, 20260977, 27014636, 40521954, 81043908

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81043907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81043908 can be divided by 24 positive divisors. The sum of these divisors (counting 81043908) is 1, the average is 0.041666666666667.

Base conversion 81043908

Base System Value
2 Binary 100110101001010000111000100
3 Ternary 12122111110100020
4 Quaternary 10311022013010
5 Quinary 131221401113
6 Senary 12013015140
8 Octal 465120704
10 Decimal 81043908
12 Duodecimal 231844b0
16 Hexadecimal 4d4a1c4
20 Vigesimal 156a9f8
36 Base36 1c91vo

Cryptographic Hash Functions

md5 4591cd47af7b2072505bc11d83b3036c
sha1 c16894b674646bf079cd354fb35d59bea8793983
sha256 a96d5d47b0dfb7ece8fe82b4b7fa30e570deb82261e5b491d01393a0aa66891f
sha512 48a28b649caf026aefee8cdd4797b3f4225c93a5c97d4ce1dd3f53bf474b6e7d57076fdcc00c8ade217e788c2ee95b2990af9ba20cf5b2332568135192dcbdaa
ripemd-160 ae47cc2a080db497ddc719629779f9236b12ad22

81043908 as geometric shapes

Circle

Radius = n
Diameter 162087816
Circumference 509213891.98201
Area 2.0634341907056E+16

Sphere

Radius = n
Volume 2.2297169428747E+24
Surface area 8.2537367628225E+16
Circumference 509213891.98201

Square

Length = n
Perimeter 324175632
Area 6568115023912464
Diagonal 114613393.84132

Cube

Length = n
Surface area 39408690143474784
Volume 5.3230570973138E+23
Space diagonal 140372166.29994

Equilateral Triangle

Length = n
Perimeter 243131724
Area 2.8440772328432E+15
Altitude 70186083.149969

Triangular Pyramid

Length = n
Surface area 2.8440772328432E+15
Volume 6.2732829502563E+22
Height 38204464.613772