81750266 (number)

81750266 is an even 8-digits composite number following 81750265 and preceding 81750267. In scientific notation, it is written as 8.1750266 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 37632000 positive integers (up to 81750266) that are relatively prime to 81750266.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty thousand two hundred sixty-six

Notation

Scientific notation 8.1750266 × 10^7
Engineering notation 8.1750266 × 10^6

Prime Factorization of 81750266

Prime Factorization 2 × 13 × 401 × 7841

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81750266
Product of the distinct prime numbers

The prime factorization of 81750266 is 2 × 13 × 401 × 7841. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81750266)

Multiplication

n×y
n×2 163500532
n×3 245250798
n×4 327001064
n×5 408751330

Division

n÷y
n÷2 40875133
n÷3 27250088.666667
n÷3 20437566.5
n÷5 16350053.2

Exponentiation

ny
n2 6683105991070756
n3 5.4634569247623E+23
n4 4.4663905687886E+31
n5 3.6512861705836E+39

Nth Root

y√n
2√n 9041.5853698342
3√n 434.00665750368
4√n 95.087251352819
5√n 38.238234734304

Divisors of 81750266

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 -81750265
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 81750266 can be divided by 16 positive divisors. The sum of these divisors (counting 81750266) is 1, the average is 0.0625.

Base conversion 81750266

Base System Value
2 Binary 100110111110110100011111010
3 Ternary 12200211100021122
4 Quaternary 10313312203322
5 Quinary 131412002031
6 Senary 12040105242
8 Octal 467664372
10 Decimal 81750266
12 Duodecimal 23465222
16 Hexadecimal 4df68fa
20 Vigesimal 15aifd6
36 Base36 1co6wq

Cryptographic Hash Functions

md5 6257c45ab5a26102f8d2640fc22f7ca7
sha1 87049c7de4d0ddac5be38e2c9734708e8b0c0227
sha256 09742c0958f8a7ed185c103031010b13b5306e74ce9475682a712af0a7a83f19
sha512 640e612925892adfd7a5655c79e7f739f01a3a586c0a157967fc69476a4d44a273872f0a45415bc04979d55af5fd4fcca208de0c893cb3fa8f5ce98145a127c2
ripemd-160 031bf26b2d55527b1d410b1dde20b3ceba411cdc

81750266 as geometric shapes

Circle

Radius = n
Diameter 163500532
Circumference 513652070.18922
Area 2.099559668471E+16

Sphere

Radius = n
Volume 2.2885274850717E+24
Surface area 8.3982386738839E+16
Circumference 513652070.18922

Square

Length = n
Perimeter 327001064
Area 6683105991070756
Diagonal 115612334.90481

Cube

Length = n
Surface area 40098635946424536
Volume 5.4634569247623E+23
Space diagonal 141595614.24427

Equilateral Triangle

Length = n
Perimeter 245250798
Area 2.8938697822256E+15
Altitude 70797807.122135

Triangular Pyramid

Length = n
Surface area 2.8938697822256E+15
Volume 6.4387457337E+22
Height 38537444.968269