81330886 (number)

81330886 is an even 8-digits composite number following 81330885 and preceding 81330887. In scientific notation, it is written as 8.1330886 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 32174352 positive integers (up to 81330886) that are relatively prime to 81330886.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand eight hundred eighty-six

Notation

Scientific notation 8.1330886 × 10^7
Engineering notation 8.1330886 × 10^6

Prime Factorization of 81330886

Prime Factorization 2 × 13 × 49 × 63839

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330886
Product of the distinct prime numbers

The prime factorization of 81330886 is 2 × 13 × 49 × 63839. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 73, 43, 525, 655, 3084, 1108, 88676, 46330, 876207, 363299, 8397484, 8408461, 25619146, 58932790, 836530729, 456887292, 2659882517, 7331524520

Basic calculations (n = 81330886)

Multiplication

n×y
n×2 162661772
n×3 243992658
n×4 325323544
n×5 406654430

Division

n÷y
n÷2 40665443
n÷3 27110295.333333
n÷3 20332721.5
n÷5 16266177.2

Exponentiation

ny
n2 6614713017544996
n3 5.3798047035267E+23
n4 4.3754428304479E+31
n5 3.5585864204268E+39

Nth Root

y√n
2√n 9018.3638205608
3√n 433.263231395
4√n 94.965066316835
5√n 38.198921445179

Divisors of 81330886

1, 2, 13, 26, 49, 98, 637, 1274, 63839, 127678, 829907, 1659814, 3128111, 6256222, 40665443, 81330886

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 -81330885
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 81330886 can be divided by 16 positive divisors. The sum of these divisors (counting 81330886) is 1, the average is 0.0625.

Base conversion 81330886

Base System Value
2 Binary 100110110010000001011000110
3 Ternary 12200001001000001
4 Quaternary 10312100023012
5 Quinary 131310042021
6 Senary 12023111514
8 Octal 466201306
10 Decimal 81330886
12 Duodecimal 232a259a
16 Hexadecimal 4d902c6
20 Vigesimal 1586746
36 Base36 1cf7ba

Cryptographic Hash Functions

md5 12bbd3c9b56012523da1636c9d14e4b9
sha1 2ddacb7f5516eb66e914936051fb3843341e9b2e
sha256 884dbd4f8cb48e2c7ba001c8f38d00cc25849d5f439955bfca45f67ca2a4571a
sha512 0dc71e57b4c144cf327aeb2c946f889d4af4878f778137a1571fb66e86bda2ddc1d490e9ae5a5199de8d82a990104d1b38ba28d9adef7b6822111914fe944f51
ripemd-160 7f886cd3fe3c25d62c80106fc1e249c25984951e

81330886 as geometric shapes

Circle

Radius = n
Diameter 162661772
Circumference 511017027.9351
Area 2.0780733821524E+16

Sphere

Radius = n
Volume 2.2534873245796E+24
Surface area 8.3122935286097E+16
Circumference 511017027.9351

Square

Length = n
Perimeter 325323544
Area 6614713017544996
Diagonal 115019242.02102

Cube

Length = n
Surface area 39688278105269976
Volume 5.3798047035267E+23
Space diagonal 140869226.77659

Equilateral Triangle

Length = n
Perimeter 243992658
Area 2.8642547559688E+15
Altitude 70434613.388296

Triangular Pyramid

Length = n
Surface area 2.8642547559688E+15
Volume 6.3401606455383E+22
Height 38339747.34034