81640467 (number)

81640467 is an odd 8-digits composite number following 81640466 and preceding 81640468. In scientific notation, it is written as 8.1640467 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 54111240 positive integers (up to 81640467) that are relatively prime to 81640467.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty thousand four hundred sixty-seven

Notation

Scientific notation 8.1640467 × 10^7
Engineering notation 8.1640467 × 10^6

Prime Factorization of 81640467

Prime Factorization 9 × 27 × 191 × 1759

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81640467
Product of the distinct prime numbers

The prime factorization of 81640467 is 9 × 27 × 191 × 1759. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 16, 68, 143, 273, 8687, 9425, 89258, 78507, 543156, 52911, 2351636, 6427121, 90522319, 42373018, 945201247, 682599367, 4109037672, 3790243780

Basic calculations (n = 81640467)

Multiplication

n×y
n×2 163280934
n×3 244921401
n×4 326561868
n×5 408202335

Division

n÷y
n÷2 40820233.5
n÷3 27213489
n÷3 20410116.75
n÷5 16328093.4

Exponentiation

ny
n2 6665165851978089
n3 5.4414725278794E+23
n4 4.4424435834375E+31
n5 3.6268316877299E+39

Nth Root

y√n
2√n 9035.5114409755
3√n 433.81226528224
4√n 95.05530727411
5√n 38.227957636557

Divisors of 81640467

1, 9, 27, 191, 243, 1719, 1759, 5157, 15831, 46413, 47493, 335969, 427437, 3023721, 9071163, 81640467

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 -81640466
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 81640467 can be divided by 16 positive divisors. The sum of these divisors (counting 81640467) is 1, the average is 0.0625.

Base conversion 81640467

Base System Value
2 Binary 100110111011011110000010011
3 Ternary 12200121202200000
4 Quaternary 10313123300103
5 Quinary 131344443332
6 Senary 12033501043
8 Octal 467336023
10 Decimal 81640467
12 Duodecimal 23411783
16 Hexadecimal 4ddbc13
20 Vigesimal 15a5137
36 Base36 1clu6r

Cryptographic Hash Functions

md5 94f298ef5df28402d75fe20c2dbed838
sha1 f24b2eda70485050733814e4f75c16fea3d0b8ea
sha256 74437167b1224b1a3f61e5947aefde407328be56bac5f6222022fefa466a439e
sha512 c3f446c2d929c0cf08dde2230c77746e05903e3dda0d632083f71ed542b5768a19c383efea96727d82e0cbb7d9bf0314f7e42fb8a917af79cfae318e34e360c0
ripemd-160 972a93549da77b4637b4160523368302ed10667c

81640467 as geometric shapes

Circle

Radius = n
Diameter 163280934
Circumference 512962182.72568
Area 2.0939236075532E+16

Sphere

Radius = n
Volume 2.2793186824396E+24
Surface area 8.3756944302128E+16
Circumference 512962182.72568

Square

Length = n
Perimeter 326561868
Area 6665165851978089
Diagonal 115457055.66987

Cube

Length = n
Surface area 39990995111868534
Volume 5.4414725278794E+23
Space diagonal 141405436.79765

Equilateral Triangle

Length = n
Perimeter 244921401
Area 2.8861014741248E+15
Altitude 70702718.398825

Triangular Pyramid

Length = n
Surface area 2.8861014741248E+15
Volume 6.4128368735064E+22
Height 38485685.223291