81796780 (number)

81796780 is an even 8-digits composite number following 81796779 and preceding 81796781. In scientific notation, it is written as 8.1796780 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors. There are 30201792 positive integers (up to 81796780) that are relatively prime to 81796780.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1796780 × 10^7
Engineering notation 8.1796780 × 10^6

Prime Factorization of 81796780

Prime Factorization 2 × 2 × 65 × 314603

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40898390
Product of the distinct prime numbers

The prime factorization of 81796780 is 2 × 2 × 65 × 314603. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81796780)

Multiplication

n×y
n×2 163593560
n×3 245390340
n×4 327187120
n×5 408983900

Division

n÷y
n÷2 40898390
n÷3 27265593.333333
n÷3 20449195
n÷5 16359356

Exponentiation

ny
n2 6690713218368400
n3 5.4727879716597E+23
n4 4.476564337045E+31
n5 3.6616854823311E+39

Nth Root

y√n
2√n 9044.1572299469
3√n 434.0889551285
4√n 95.100774076486
5√n 38.242585077562

Divisors of 81796780

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81796779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81796780 can be divided by 12 positive divisors. The sum of these divisors (counting 81796780) is 1, the average is 0.083333333333333.

Base conversion 81796780

Base System Value
2 Binary 100111000000001111010101100
3 Ternary 12200220201002101
4 Quaternary 10320001322230
5 Quinary 131414444110
6 Senary 12041104444
8 Octal 470017254
10 Decimal 81796780
12 Duodecimal 23488124
16 Hexadecimal 4e01eac
20 Vigesimal 15b4bj0
36 Base36 1cp6ss

Cryptographic Hash Functions

md5 f6985d59f3428b6279d80b3cad9dfb1f
sha1 81e582b052fb1e7f734cda81b4872aad367a700d
sha256 2423412a8d95c588e3a9a199d66035d91a82f08e33f5f7856d059a48c54709a6
sha512 be44a9a3606d35a12069c4dc5339be68dab8f139947dfe44209af087db5cdb97cd6cd1c8d7182cff49cceeb22d1d88c7bb2a4d0a0d902eb185871a9cf5c2a8a8
ripemd-160 604d95586968ed00e318f44be040d45e6475b420

81796780 as geometric shapes

Circle

Radius = n
Diameter 163593560
Circumference 513944326.2706
Area 2.1019495494102E+16

Sphere

Radius = n
Volume 2.2924360648561E+24
Surface area 8.4077981976409E+16
Circumference 513944326.2706

Square

Length = n
Perimeter 327187120
Area 6690713218368400
Diagonal 115678115.63445

Cube

Length = n
Surface area 40144279310210400
Volume 5.4727879716597E+23
Space diagonal 141676178.85553

Equilateral Triangle

Length = n
Perimeter 245390340
Area 2.8971638082717E+15
Altitude 70838089.427767

Triangular Pyramid

Length = n
Surface area 2.8971638082717E+15
Volume 6.4497424779279E+22
Height 38559371.878149