81796791 (number)

81796791 is an odd 8-digits composite number following 81796790 and preceding 81796792. In scientific notation, it is written as 8.1796791 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 51784320 positive integers (up to 81796791) that are relatively prime to 81796791.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1796791 × 10^7
Engineering notation 8.1796791 × 10^6

Prime Factorization of 81796791

Prime Factorization 3 × 29 × 61 × 15413

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81796791
Product of the distinct prime numbers

The prime factorization of 81796791 is 3 × 29 × 61 × 15413. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81796791)

Multiplication

n×y
n×2 163593582
n×3 245390373
n×4 327187164
n×5 408983955

Division

n÷y
n÷2 40898395.5
n÷3 27265597
n÷3 20449197.75
n÷5 16359358.2

Exponentiation

ny
n2 6690715017897681
n3 5.4727901795954E+23
n4 4.4765667450722E+31
n5 3.6616879444422E+39

Nth Root

y√n
2√n 9044.1578380743
3√n 434.0889745872
4√n 95.100777273765
5√n 38.242586106131

Divisors of 81796791

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81796790
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81796791 can be divided by 16 positive divisors. The sum of these divisors (counting 81796791) is 1, the average is 0.0625.

Base conversion 81796791

Base System Value
2 Binary 100111000000001111010110111
3 Ternary 12200220201002210
4 Quaternary 10320001322313
5 Quinary 131414444131
6 Senary 12041104503
8 Octal 470017267
10 Decimal 81796791
12 Duodecimal 23488133
16 Hexadecimal 4e01eb7
20 Vigesimal 15b4bjb
36 Base36 1cp6t3

Cryptographic Hash Functions

md5 fd08da9414bdedb19916ef05673664b8
sha1 3f2bbee1708e599abf49230a97cf9230e2c2609e
sha256 0c1b4917b9aa039f1c33d461b4e72a527a362fb67836ad323137d6a5a82b49c4
sha512 fa89d5d7aeaa7a518a1bb0fd6d042d07c0ec1963aa841a00bb41f618f18ceb5758225d749b6d5ae39ed68bf807d86664e6d990b0c226019177514a0f7ebe05ba
ripemd-160 d07688cede078296824044f60de2aca4b219df83

81796791 as geometric shapes

Circle

Radius = n
Diameter 163593582
Circumference 513944395.38564
Area 2.101950114749E+16

Sphere

Radius = n
Volume 2.292436989714E+24
Surface area 8.4078004589961E+16
Circumference 513944395.38564

Square

Length = n
Perimeter 327187164
Area 6690715017897681
Diagonal 115678131.1908

Cube

Length = n
Surface area 40144290107386086
Volume 5.4727901795954E+23
Space diagonal 141676197.90809

Equilateral Triangle

Length = n
Perimeter 245390373
Area 2.8971645874907E+15
Altitude 70838098.954046

Triangular Pyramid

Length = n
Surface area 2.8971645874907E+15
Volume 6.4497450800051E+22
Height 38559377.063599