81796761 (number)

81796761 is an odd 8-digits composite number following 81796760 and preceding 81796762. In scientific notation, it is written as 8.1796761 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 53631072 positive integers (up to 81796761) that are relatively prime to 81796761.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred ninety-six thousand seven hundred sixty-one

Notation

Scientific notation 8.1796761 × 10^7
Engineering notation 8.1796761 × 10^6

Prime Factorization of 81796761

Prime Factorization 3 × 3 × 109 × 419 × 199

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 27265587
Product of the distinct prime numbers

The prime factorization of 81796761 is 3 × 3 × 109 × 419 × 199. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 2, 45, 19, 356, 473, 2460, 3529, 84468, 17908, 448526, 65372, 4121070, 9956460, 7676304, 28265683, 385166950, 178640407, 8804191109, 9154390139

Basic calculations (n = 81796761)

Multiplication

n×y
n×2 163593522
n×3 245390283
n×4 327187044
n×5 408983805

Division

n÷y
n÷2 40898380.5
n÷3 27265587
n÷3 20449190.25
n÷5 16359352.2

Exponentiation

ny
n2 6690710110091121
n3 5.4727841579541E+23
n4 4.4765601777276E+31
n5 3.661681229597E+39

Nth Root

y√n
2√n 9044.1561795449
3√n 434.088921518
4√n 95.100768553913
5√n 38.242583300941

Divisors of 81796761

1, 3, 9, 109, 199, 327, 419, 597, 981, 1257, 1791, 3771, 21691, 45671, 65073, 83381, 137013, 195219, 250143, 411039, 750429, 9088529, 27265587, 81796761

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 -81796760
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 81796761 can be divided by 24 positive divisors. The sum of these divisors (counting 81796761) is 1, the average is 0.041666666666667.

Base conversion 81796761

Base System Value
2 Binary 100111000000001111010011001
3 Ternary 12200220201001200
4 Quaternary 10320001322121
5 Quinary 131414444021
6 Senary 12041104413
8 Octal 470017231
10 Decimal 81796761
12 Duodecimal 23488109
16 Hexadecimal 4e01e99
20 Vigesimal 15b4bi1
36 Base36 1cp6s9

Cryptographic Hash Functions

md5 00f1f3566046d089d978d963dba7f40f
sha1 5e805ba5db6bbeabac5e0827b2aa956afd69ffcc
sha256 6bc6ae5dcb249ea02bf0da7107546e997e6117bfd46dd4913b7d9c2742881d56
sha512 47e907900dd55c566e589380cd95e13a6c0a015aeb15f066b04124a2de650496cec7924faaceedc8119904623f034b47c121d73d4b58117d4f1484cfc5f72178
ripemd-160 b20e0845520390f0a9f381c58e5a4f4c68a2223d

81796761 as geometric shapes

Circle

Radius = n
Diameter 163593522
Circumference 513944206.89008
Area 2.1019485729161E+16

Sphere

Radius = n
Volume 2.2924344673748E+24
Surface area 8.4077942916645E+16
Circumference 513944206.89008

Square

Length = n
Perimeter 327187044
Area 6690710110091121
Diagonal 115678088.76439

Cube

Length = n
Surface area 40144260660546726
Volume 5.4727841579541E+23
Space diagonal 141676145.94657

Equilateral Triangle

Length = n
Perimeter 245390283
Area 2.8971624623481E+15
Altitude 70838072.973284

Triangular Pyramid

Length = n
Surface area 2.8971624623481E+15
Volume 6.4497379834327E+22
Height 38559362.921464