81344340 (number)

81344340 is an even 8-digits composite number following 81344339 and preceding 81344341. In scientific notation, it is written as 8.1344340 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 16899840 positive integers (up to 81344340) that are relatively prime to 81344340.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-four thousand three hundred forty

Notation

Scientific notation 8.1344340 × 10^7
Engineering notation 8.1344340 × 10^6

Prime Factorization of 81344340

Prime Factorization 2 × 2 × 495 × 7 × 5869

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40672170
Product of the distinct prime numbers

The prime factorization of 81344340 is 2 × 2 × 495 × 7 × 5869. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 28, 78, 636, 529, 7416, 9354, 26216, 17026, 171191, 724690, 9216, 6099575, 71501565, 71198995, 277161874, 644629234, 5694420934, 1237429321

Basic calculations (n = 81344340)

Multiplication

n×y
n×2 162688680
n×3 244033020
n×4 325377360
n×5 406721700

Division

n÷y
n÷2 40672170
n÷3 27114780
n÷3 20336085
n÷5 16268868

Exponentiation

ny
n2 6616901650035600
n3 5.3824749756706E+23
n4 4.3783387446244E+31
n5 3.561530754779E+39

Nth Root

y√n
2√n 9019.1097121612
3√n 433.28712064712
4√n 94.968993425018
5√n 38.200185157679

Divisors of 81344340

1, 2, 4, 7, 14, 28, 495, 990, 1980, 3465, 5869, 6930, 11738, 13860, 23476, 41083, 82166, 164332, 2905155, 5810310, 11620620, 20336085, 40672170, 81344340

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 -81344339
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 81344340 can be divided by 24 positive divisors. The sum of these divisors (counting 81344340) is 1, the average is 0.041666666666667.

Base conversion 81344340

Base System Value
2 Binary 100110110010011011101010100
3 Ternary 12200001201110100
4 Quaternary 10312103131110
5 Quinary 131311004330
6 Senary 12023254100
8 Octal 466233524
10 Decimal 81344340
12 Duodecimal 232aa330
16 Hexadecimal 4d93754
20 Vigesimal 15880h0
36 Base36 1cfhp0

Cryptographic Hash Functions

md5 0723b4c10fe707d2b96ce375de239652
sha1 3688755349ccdf8ac115ac69afb66efe56de35fb
sha256 eac1cafdd4f194756cfa928d0c867d965eb73fcc7e61d1ab6ec53881902e72df
sha512 e92967d1ae5a7ac0ef729be9c979cb7edd99653c416d18b9dcf1079717aec5221cb9630297b1c0edbec96812296b11383b2fbf6443af7007a90d86f3240924c3
ripemd-160 4363e110d41732bed41f347a1ea8e3292ca469a2

81344340 as geometric shapes

Circle

Radius = n
Diameter 162688680
Circumference 511101561.91022
Area 2.0787609613278E+16

Sphere

Radius = n
Volume 2.2546058455597E+24
Surface area 8.3150438453112E+16
Circumference 511101561.91022

Square

Length = n
Perimeter 325377360
Area 6616901650035600
Diagonal 115038268.85029

Cube

Length = n
Surface area 39701409900213600
Volume 5.3824749756706E+23
Space diagonal 140892529.78816

Equilateral Triangle

Length = n
Perimeter 244033020
Area 2.865202461637E+15
Altitude 70446264.894079

Triangular Pyramid

Length = n
Surface area 2.865202461637E+15
Volume 6.3433075914393E+22
Height 38346089.616763