81755466 (number)

81755466 is an even 8-digits composite number following 81755465 and preceding 81755467. In scientific notation, it is written as 8.1755466 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 23740416 positive integers (up to 81755466) that are relatively prime to 81755466.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty-five thousand four hundred sixty-six

Notation

Scientific notation 8.1755466 × 10^7
Engineering notation 8.1755466 × 10^6

Prime Factorization of 81755466

Prime Factorization 2 × 87 × 13 × 47 × 769

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81755466
Product of the distinct prime numbers

The prime factorization of 81755466 is 2 × 87 × 13 × 47 × 769. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 7, 29, 56, 644, 969, 646, 7648, 84431, 10504, 971896, 811303, 6203320, 6283482, 92986491, 14275065, 117103617, 758388402, 4853613277, 1943596673

Basic calculations (n = 81755466)

Multiplication

n×y
n×2 163510932
n×3 245266398
n×4 327021864
n×5 408777330

Division

n÷y
n÷2 40877733
n÷3 27251822
n÷3 20438866.5
n÷5 16351093.2

Exponentiation

ny
n2 6683956220877156
n3 5.4644995556141E+23
n4 4.4675270762602E+31
n5 3.6524475798727E+39

Nth Root

y√n
2√n 9041.8729254508
3√n 434.01585945853
4√n 95.08876340268
5√n 38.238721176174

Divisors of 81755466

1, 2, 13, 26, 47, 87, 94, 174, 611, 769, 1131, 1222, 1538, 2262, 4089, 8178, 9997, 19994, 36143, 53157, 66903, 72286, 106314, 133806, 469859, 869739, 939718, 1739478, 3144441, 6288882, 40877733, 81755466

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 -81755465
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 81755466 can be divided by 32 positive divisors. The sum of these divisors (counting 81755466) is 1, the average is 0.03125.

Base conversion 81755466

Base System Value
2 Binary 100110111110111110101001010
3 Ternary 12200211121102020
4 Quaternary 10313313311022
5 Quinary 131412133331
6 Senary 12040145310
8 Octal 467676512
10 Decimal 81755466
12 Duodecimal 23468236
16 Hexadecimal 4df7d4a
20 Vigesimal 15aj8d6
36 Base36 1coax6

Cryptographic Hash Functions

md5 c0d1c6837b60732e9793fdb71936bf59
sha1 950879f839054344fc058ea0f64ac6a9560e6101
sha256 f132108113f8f535e2e7870a885cc7df67dbcb20ec0823a97f4159ecc5e4a5a9
sha512 e74b2418d95c13ffab3acfdd919fde55ebadbcd77131010aced27cad3944a59106be4c8541d42e5a6a9a77c88439243c24f6bdae64f75e0eac15cba8b9e73a4e
ripemd-160 b330390c30a4a34fba8c3dbf070f1d4bbdc30eb3

81755466 as geometric shapes

Circle

Radius = n
Diameter 163510932
Circumference 513684742.75282
Area 2.0998267760423E+16

Sphere

Radius = n
Volume 2.2889642212616E+24
Surface area 8.3993071041694E+16
Circumference 513684742.75282

Square

Length = n
Perimeter 327021864
Area 6683956220877156
Diagonal 115619688.81533

Cube

Length = n
Surface area 40103737325262936
Volume 5.4644995556141E+23
Space diagonal 141604620.90847

Equilateral Triangle

Length = n
Perimeter 245266398
Area 2.8942379425313E+15
Altitude 70802310.454235

Triangular Pyramid

Length = n
Surface area 2.8942379425313E+15
Volume 6.4399744859427E+22
Height 38539896.271777