81736986 (number)

81736986 is an even 8-digits composite number following 81736985 and preceding 81736987. In scientific notation, it is written as 8.1736986 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 24527360 positive integers (up to 81736986) that are relatively prime to 81736986.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-six thousand nine hundred eighty-six

Notation

Scientific notation 8.1736986 × 10^7
Engineering notation 8.1736986 × 10^6

Prime Factorization of 81736986

Prime Factorization 2 × 3 × 17 × 23 × 34841

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81736986
Product of the distinct prime numbers

The prime factorization of 81736986 is 2 × 3 × 17 × 23 × 34841. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 24, 90, 846, 282, 7632, 7030, 68204, 89232, 131784, 995572, 8034208, 7989970, 22390596, 45936165, 789621049, 148290725, 8792874843, 1551555846

Basic calculations (n = 81736986)

Multiplication

n×y
n×2 163473972
n×3 245210958
n×4 326947944
n×5 408684930

Division

n÷y
n÷2 40868493
n÷3 27245662
n÷3 20434246.5
n÷5 16347397.2

Exponentiation

ny
n2 6680934880364196
n3 5.4607948078324E+23
n4 4.4634890875667E+31
n5 3.6483214506159E+39

Nth Root

y√n
2√n 9040.850955524
3√n 433.98315535577
4√n 95.083389482727
5√n 38.236992324262

Divisors of 81736986

1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 2346, 34841, 69682, 104523, 209046, 592297, 801343, 1184594, 1602686, 1776891, 2404029, 3553782, 4808058, 13622831, 27245662, 40868493, 81736986

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 -81736985
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 81736986 can be divided by 32 positive divisors. The sum of these divisors (counting 81736986) is 1, the average is 0.03125.

Base conversion 81736986

Base System Value
2 Binary 100110111110011010100011010
3 Ternary 12200210200001210
4 Quaternary 10313303110122
5 Quinary 131411040421
6 Senary 12035523550
8 Octal 467632432
10 Decimal 81736986
12 Duodecimal 234595b6
16 Hexadecimal 4df351a
20 Vigesimal 15ah296
36 Base36 1cnwnu

Cryptographic Hash Functions

md5 760cdd72e1ff7b4b27bcc3726f63a9a3
sha1 3d77dfa144ae210560c5207b3028b47fe478c3b6
sha256 ef76fb201b2d4283af16bc1f14cc6c3993175c0daa38b3ebcc043bd38da7c43f
sha512 417fd1c8b85859085cd652f77dd2a8603cfcde3158a556763b55137f82b62e337ec9fad4248901a0bf4c5efadc6f1efc20352e51401b4d259093d4b630ab983e
ripemd-160 7cd2a8f16ef4d85105fbcd1f44252d94a752ad7e

81736986 as geometric shapes

Circle

Radius = n
Diameter 163473972
Circumference 513568629.48834
Area 2.0988775939264E+16

Sphere

Radius = n
Volume 2.2874123801397E+24
Surface area 8.3955103757056E+16
Circumference 513568629.48834

Square

Length = n
Perimeter 326947944
Area 6680934880364196
Diagonal 115593554.1487

Cube

Length = n
Surface area 40085609282185176
Volume 5.4607948078324E+23
Space diagonal 141572612.60955

Equilateral Triangle

Length = n
Perimeter 245210958
Area 2.8929296637125E+15
Altitude 70786306.304773

Triangular Pyramid

Length = n
Surface area 2.8929296637125E+15
Volume 6.435608398811E+22
Height 38531184.716233