81793912 (number)

81793912 is an even 8-digits composite number following 81793911 and preceding 81793913. In scientific notation, it is written as 8.1793912 × 10^7. The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors. There are 39088224 positive integers (up to 81793912) that are relatively prime to 81793912.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred ninety-three thousand nine hundred twelve

Notation

Scientific notation 8.1793912 × 10^7
Engineering notation 8.1793912 × 10^6

Prime Factorization of 81793912

Prime Factorization 2 × 2 × 2 × 43 × 47 × 5059

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20448478
Product of the distinct prime numbers

The prime factorization of 81793912 is 2 × 2 × 2 × 43 × 47 × 5059. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 7, 40, 89, 373, 980, 7842, 4484, 91834, 91236, 120803, 313179, 8434190, 3584245, 28111975, 54661200, 513387543, 534153065, 8405891137, 7066734657

Basic calculations (n = 81793912)

Multiplication

n×y
n×2 163587824
n×3 245381736
n×4 327175648
n×5 408969560

Division

n÷y
n÷2 40896956
n÷3 27264637.333333
n÷3 20448478
n÷5 16358782.4

Exponentiation

ny
n2 6690244040263744
n3 5.4722123228786E+23
n4 4.4759365318285E+31
n5 3.6610435880196E+39

Nth Root

y√n
2√n 9043.9986731534
3√n 434.08388165383
4√n 95.099940447686
5√n 38.242316897635

Divisors of 81793912

1, 2, 4, 8, 43, 47, 86, 94, 172, 188, 344, 376, 2021, 4042, 5059, 8084, 10118, 16168, 20236, 40472, 217537, 237773, 435074, 475546, 870148, 951092, 1740296, 1902184, 10224239, 20448478, 40896956, 81793912

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81793911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81793912 can be divided by 32 positive divisors. The sum of these divisors (counting 81793912) is 1, the average is 0.03125.

Base conversion 81793912

Base System Value
2 Binary 100111000000001001101111000
3 Ternary 12200220120011011
4 Quaternary 10320001031320
5 Quinary 131414401122
6 Senary 12041043304
8 Octal 470011570
10 Decimal 81793912
12 Duodecimal 23486534
16 Hexadecimal 4e01378
20 Vigesimal 15b44fc
36 Base36 1cp4l4

Cryptographic Hash Functions

md5 e4b0dd349292814f9167510b31f7b3e3
sha1 aaf4b4bd8b6efd603d87fc2bf3fd3f2951fd08fa
sha256 6fbc31fb7c8fc5b5408406e08d0ee07956543ee2afc4d659f11200c1251c2dc3
sha512 33fce18431b2079f01f775148b4a38c1faf1b9fdf15605996a03782c694383a93497f85f0578bd1c7af8df3e4404b6a5f671c22f99f042723793a694738ff4c5
ripemd-160 65ef93f869f51888f820af62babaaa8432f1c0b3

81793912 as geometric shapes

Circle

Radius = n
Diameter 163587824
Circumference 513926306.09514
Area 2.1018021527615E+16

Sphere

Radius = n
Volume 2.2921949376585E+24
Surface area 8.4072086110462E+16
Circumference 513926306.09514

Square

Length = n
Perimeter 327175648
Area 6690244040263744
Diagonal 115674059.66995

Cube

Length = n
Surface area 40141464241582464
Volume 5.4722123228786E+23
Space diagonal 141671211.33382

Equilateral Triangle

Length = n
Perimeter 245381736
Area 2.8969606481929E+15
Altitude 70835605.666909

Triangular Pyramid

Length = n
Surface area 2.8969606481929E+15
Volume 6.4490640693334E+22
Height 38558019.889984