81104909 (number)

81104909 is an odd 8-digits composite number following 81104908 and preceding 81104910. In scientific notation, it is written as 8.1104909 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 73701376 positive integers (up to 81104909) that are relatively prime to 81104909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1104909 × 10^7
Engineering notation 8.1104909 × 10^6

Prime Factorization of 81104909

Prime Factorization 17 × 29 × 164513

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81104909
Product of the distinct prime numbers

The prime factorization of 81104909 is 17 × 29 × 164513. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81104909)

Multiplication

n×y
n×2 162209818
n×3 243314727
n×4 324419636
n×5 405524545

Division

n÷y
n÷2 40552454.5
n÷3 27034969.666667
n÷3 20276227.25
n÷5 16220981.8

Exponentiation

ny
n2 6578006263898281
n3 5.335085994349E+23
n4 4.3270166407885E+31
n5 3.5094229089264E+39

Nth Root

y√n
2√n 9005.8263918421
3√n 432.86158675285
4√n 94.899032618052
5√n 38.177670754881

Divisors of 81104909

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81104908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81104909 can be divided by 8 positive divisors. The sum of these divisors (counting 81104909) is 1, the average is 0.125.

Base conversion 81104909

Base System Value
2 Binary 100110101011001000000001101
3 Ternary 12122121120000112
4 Quaternary 10311121000031
5 Quinary 131230324114
6 Senary 12014205405
8 Octal 465310015
10 Decimal 81104909
12 Duodecimal 231b3865
16 Hexadecimal 4d5900d
20 Vigesimal 156i259
36 Base36 1cacy5

Cryptographic Hash Functions

md5 5e80515c97f4828265aa9c6175673d4d
sha1 a9304e2437a507fc266c30ead149f3ddc9a19a7c
sha256 edc1faf776ab407cab94045567060676b89b120a11be9480a9b2604c3c35c55a
sha512 f70c57be5bd9e550867ab64353597c214802222ecacf58b5a51b84f8aaac04362d47238bae1bbf5c2cab31b511d79e7737013c26eb05bbccd5bd24ef224f944a
ripemd-160 539fc422fe0cd0af715ac43236f1b48cf40439d6

81104909 as geometric shapes

Circle

Radius = n
Diameter 162209818
Circumference 509597172.56894
Area 2.066541615393E+16

Sphere

Radius = n
Volume 2.2347555954822E+24
Surface area 8.2661664615722E+16
Circumference 509597172.56894

Square

Length = n
Perimeter 324419636
Area 6578006263898281
Diagonal 114699662.28284

Cube

Length = n
Surface area 39468037583389686
Volume 5.335085994349E+23
Space diagonal 140477823.13125

Equilateral Triangle

Length = n
Perimeter 243314727
Area 2.8483602653945E+15
Altitude 70238911.565625

Triangular Pyramid

Length = n
Surface area 2.8483602653945E+15
Volume 6.2874591413626E+22
Height 38233220.760945