81330666 (number)

81330666 is an even 8-digits composite number following 81330665 and preceding 81330667. In scientific notation, it is written as 8.1330666 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 27110220 positive integers (up to 81330666) that are relatively prime to 81330666.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330666 × 10^7
Engineering notation 8.1330666 × 10^6

Prime Factorization of 81330666

Prime Factorization 2 × 3 × 13555111

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330666
Product of the distinct prime numbers

The prime factorization of 81330666 is 2 × 3 × 13555111. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330666)

Multiplication

n×y
n×2 162661332
n×3 243991998
n×4 325322664
n×5 406653330

Division

n÷y
n÷2 40665333
n÷3 27110222
n÷3 20332666.5
n÷5 16266133.2

Exponentiation

ny
n2 6614677232003556
n3 5.3797610465389E+23
n4 4.3753954883586E+31
n5 3.558538290816E+39

Nth Root

y√n
2√n 9018.3516232181
3√n 433.26284073572
4√n 94.965002096657
5√n 38.198900779545

Divisors of 81330666

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330665
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330666 can be divided by 8 positive divisors. The sum of these divisors (counting 81330666) is 1, the average is 0.125.

Base conversion 81330666

Base System Value
2 Binary 100110110010000000111101010
3 Ternary 12200001000200220
4 Quaternary 10312100013222
5 Quinary 131310040131
6 Senary 12023110510
8 Octal 466200752
10 Decimal 81330666
12 Duodecimal 232a2436
16 Hexadecimal 4d901ea
20 Vigesimal 15866d6
36 Base36 1cf756

Cryptographic Hash Functions

md5 e53393d302391e4bad26ab22862f2758
sha1 cc2ade7cee780a49e1500fe41d2c5d41a16821bd
sha256 426969e91ee9192d7ed0af26f56bf157a6ed39bff2958730f12d91c59810ce35
sha512 66d17e9dd23d6d15ed0dfe2ee83eeb813755f12df1bc9ecfef31e116ec93bdf66733ad3e709e48aed1e000a0e2cd358bf17d53cf56bce775eb29ddc2554dd349
ripemd-160 682742b3b3e25edda972213e22111408c7445a08

81330666 as geometric shapes

Circle

Radius = n
Diameter 162661332
Circumference 511015645.63433
Area 2.078062139793E+16

Sphere

Radius = n
Volume 2.2534690375833E+24
Surface area 8.312248559172E+16
Circumference 511015645.63433

Square

Length = n
Perimeter 325322664
Area 6614677232003556
Diagonal 115018930.89404

Cube

Length = n
Surface area 39688063392021336
Volume 5.3797610465389E+23
Space diagonal 140868845.72541

Equilateral Triangle

Length = n
Perimeter 243991998
Area 2.8642392603748E+15
Altitude 70434422.862707

Triangular Pyramid

Length = n
Surface area 2.8642392603748E+15
Volume 6.3401091952848E+22
Height 38339643.631345