66881 (number)

66881 is an odd 5-digits composite number following 66880 and preceding 66882. In scientific notation, it is written as 6.6881 × 10^4. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 65412 positive integers (up to 66881) that are relatively prime to 66881.

Interesting facts

Basic properties

Name

Name sixty-six thousand eight hundred eighty-one

Notation

Scientific notation 6.6881 × 10^4
Engineering notation 6.6881 × 10^3

Prime Factorization of 66881

Prime Factorization 47 × 1423

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66881
Product of the distinct prime numbers

The prime factorization of 66881 is 47 × 1423. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 9, 16, 69, 688, 277, 5489, 9207, 9120, 34541, 522262, 875209, 4818515, 5088776, 2164623, 52472582, 831520041, 400965764, 1073517488, 9792231510

Basic calculations (n = 66881)

Multiplication

n×y
n×2 133762
n×3 200643
n×4 267524
n×5 334405

Division

n÷y
n÷2 33440.5
n÷3 22293.666666667
n÷3 16720.25
n÷5 13376.2

Exponentiation

ny
n2 4473068161
n3 299163271675841
n4 2.0008338772952E+19
n5 1.3381777054738E+24

Nth Root

y√n
2√n 258.61361139739
3√n 40.591420772924
4√n 16.081467949083
5√n 9.2270006584716

Divisors of 66881

1, 47, 1423, 66881

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66880
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66881 can be divided by 4 positive divisors. The sum of these divisors (counting 66881) is 1, the average is 0.25.

Base conversion 66881

Base System Value
2 Binary 10000010101000001
3 Ternary 10101202002
4 Quaternary 100111001
5 Quinary 4120011
6 Senary 1233345
8 Octal 202501
10 Decimal 66881
12 Duodecimal 32855
16 Hexadecimal 10541
20 Vigesimal 8741
36 Base36 1flt

Cryptographic Hash Functions

md5 c4897cc5f025255a7cedde6211dfd53e
sha1 e028baaf123be65ed6fedcf13df8b79b8e8d70a1
sha256 f4dd6cf1ba9a143a71f1b9b3ec8a8346222735b360abcc22cb444cccdc3d2b56
sha512 5cb9cb54b1163335f77ef680e0ae23ceee3e18f93625f496826d1ae1726925f66f845e498a5305df81436d22f3d4c28021cbbc349525cec7bfe3d59ef3498891
ripemd-160 253386bf41a78470dc5adea10ba9b7e63136abd6

66881 as geometric shapes

Circle

Radius = n
Diameter 133762
Circumference 420225.71652948
Area 14052558073.604

Sphere

Radius = n
Volume 1.2531321820276E+15
Surface area 56210232294.416
Circumference 420225.71652948

Square

Length = n
Perimeter 267524
Area 4473068161
Diagonal 94584.017265075

Cube

Length = n
Surface area 26838408966
Volume 299163271675841
Space diagonal 115841.29006101

Equilateral Triangle

Length = n
Perimeter 200643
Area 1936895330.1427
Altitude 57920.645030507

Triangular Pyramid

Length = n
Surface area 1936895330.1427
Volume 35256729680657
Height 31528.005755025