81444248 (number)

81444248 is an even 8-digits composite number following 81444247 and preceding 81444249. In scientific notation, it is written as 8.1444248 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 32 positive divisors. There are 39942528 positive integers (up to 81444248) that are relatively prime to 81444248.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-four thousand two hundred forty-eight

Notation

Scientific notation 8.1444248 × 10^7
Engineering notation 8.1444248 × 10^6

Prime Factorization of 81444248

Prime Factorization 2 × 2 × 2 × 83 × 173 × 709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20361062
Product of the distinct prime numbers

The prime factorization of 81444248 is 2 × 2 × 2 × 83 × 173 × 709. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 3, 24, 77, 81, 313, 7511, 3812, 40803, 45096, 658910, 589200, 3486866, 5427557, 19316534, 54497186, 664313530, 594771983, 5860808174, 2071742895

Basic calculations (n = 81444248)

Multiplication

n×y
n×2 162888496
n×3 244332744
n×4 325776992
n×5 407221240

Division

n÷y
n÷2 40722124
n÷3 27148082.666667
n÷3 20361062
n÷5 16288849.6

Exponentiation

ny
n2 6633165532285504
n3 5.4023317863651E+23
n4 4.39988849787E+31
n5 3.5834560999288E+39

Nth Root

y√n
2√n 9024.6466966857
3√n 433.46443738532
4√n 94.998140490673
5√n 38.209564127354

Divisors of 81444248

1, 2, 4, 8, 83, 166, 173, 332, 346, 664, 692, 709, 1384, 1418, 2836, 5672, 14359, 28718, 57436, 58847, 114872, 117694, 122657, 235388, 245314, 470776, 490628, 981256, 10180531, 20361062, 40722124, 81444248

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 -81444247
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 81444248 can be divided by 32 positive divisors. The sum of these divisors (counting 81444248) is 1, the average is 0.03125.

Base conversion 81444248

Base System Value
2 Binary 100110110101011110110011000
3 Ternary 12200020210111122
4 Quaternary 10312223312120
5 Quinary 131322203443
6 Senary 12025344412
8 Octal 466536630
10 Decimal 81444248
12 Duodecimal 23338108
16 Hexadecimal 4dabd98
20 Vigesimal 1590ac8
36 Base36 1chms8

Cryptographic Hash Functions

md5 e9cd9267b72abc39562d5ab00467dff6
sha1 44f77ce34cd46143ea0a17d05e937eba6a236497
sha256 0d9edf6e40ca07a371fda029ea473922bcdfc6ac3292d2e925eaf9a168858487
sha512 87a40d87a0c57653f37ee205522d7d7f55914d2f0497f51f584d51c124922e0091997cd0dda90a5f50eb65312ad38b5bb04a96cdb3f24f1eef8c9e99b0ec4b95
ripemd-160 b155f8391fcefb966bc1cfa4a5bc55e795180086

81444248 as geometric shapes

Circle

Radius = n
Diameter 162888496
Circumference 511729302.38789
Area 2.0838704106273E+16

Sphere

Radius = n
Volume 2.2629234469732E+24
Surface area 8.3354816425093E+16
Circumference 511729302.38789

Square

Length = n
Perimeter 325776992
Area 6633165532285504
Diagonal 115179560.09888

Cube

Length = n
Surface area 39798993193713024
Volume 5.4023317863651E+23
Space diagonal 141065575.52024

Equilateral Triangle

Length = n
Perimeter 244332744
Area 2.8722449292333E+15
Altitude 70532787.76012

Triangular Pyramid

Length = n
Surface area 2.8722449292333E+15
Volume 6.366709067264E+22
Height 38393186.699626