81041207 (number)

81041207 is an odd 8-digits composite number following 81041206 and preceding 81041208. In scientific notation, it is written as 8.1041207 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 73215072 positive integers (up to 81041207) that are relatively prime to 81041207.

Interesting facts

Basic properties

Name

Name eighty-one million forty-one thousand two hundred seven

Notation

Scientific notation 8.1041207 × 10^7
Engineering notation 8.1041207 × 10^6

Prime Factorization of 81041207

Prime Factorization 13 × 47 × 132637

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81041207
Product of the distinct prime numbers

The prime factorization of 81041207 is 13 × 47 × 132637. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81041207)

Multiplication

n×y
n×2 162082414
n×3 243123621
n×4 324164828
n×5 405206035

Division

n÷y
n÷2 40520603.5
n÷3 27013735.666667
n÷3 20260301.75
n÷5 16208241.4

Exponentiation

ny
n2 6567677232016849
n3 5.3225249006906E+23
n4 4.3134384223952E+31
n5 3.4956625607109E+39

Nth Root

y√n
2√n 9002.2889866967
3√n 432.74822998463
4√n 94.880393057242
5√n 38.171671713801

Divisors of 81041207

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 -81041206
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 81041207 can be divided by 8 positive divisors. The sum of these divisors (counting 81041207) is 1, the average is 0.125.

Base conversion 81041207

Base System Value
2 Binary 100110101001001011100110111
3 Ternary 12122111022122012
4 Quaternary 10311021130313
5 Quinary 131221304312
6 Senary 12012554435
8 Octal 465113467
10 Decimal 81041207
12 Duodecimal 23182a1b
16 Hexadecimal 4d49737
20 Vigesimal 156a307
36 Base36 1c8zsn

Cryptographic Hash Functions

md5 c588d4845ca645ac9a43dd1e69149554
sha1 270164285efbfea23a7419c65e95afdfdb8d6543
sha256 a893852e101155f2d6c9a8068fdadca7f86e611190d3cc793400967f9b98ee6b
sha512 1d4453a84cdcf675a5bd196b61645e66faf67fbf751144732a03c5e6c204e76be7aaec409524b9562c06fd5c2d280c4d7f3429ed8acf02fa54aa81d4904f3f18
ripemd-160 5c4f97fb8611968069602575ef5191715eece972

81041207 as geometric shapes

Circle

Radius = n
Diameter 162082414
Circumference 509196921.0985
Area 2.0632966543253E+16

Sphere

Radius = n
Volume 2.2294940168745E+24
Surface area 8.2531866173012E+16
Circumference 509196921.0985

Square

Length = n
Perimeter 324164828
Area 6567677232016849
Diagonal 114609574.05049

Cube

Length = n
Surface area 39406063392101094
Volume 5.3225249006906E+23
Space diagonal 140367488.03071

Equilateral Triangle

Length = n
Perimeter 243123621
Area 2.8438876633916E+15
Altitude 70183744.015353

Triangular Pyramid

Length = n
Surface area 2.8438876633916E+15
Volume 6.272655750521E+22
Height 38203191.350162