64881 (number)

64881 is an odd 5-digits composite number following 64880 and preceding 64882. In scientific notation, it is written as 6.4881 × 10^4. The sum of its digits is 27. It has a total of 5 prime factors and 14 positive divisors. There are 42768 positive integers (up to 64881) that are relatively prime to 64881.

Interesting facts

Basic properties

Name

Name sixty-four thousand eight hundred eighty-one

Notation

Scientific notation 6.4881 × 10^4
Engineering notation 6.4881 × 10^3

Prime Factorization of 64881

Prime Factorization 3 × 9 × 3 × 9 × 89

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2403
Product of the distinct prime numbers

The prime factorization of 64881 is 3 × 9 × 3 × 9 × 89. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 3, 41, 38, 13, 450, 3420, 2071, 60167, 25544, 729823, 970648, 3790255, 6287886, 69961077, 53633144, 893593834, 224435374, 942055440, 2127545684

Basic calculations (n = 64881)

Multiplication

n×y
n×2 129762
n×3 194643
n×4 259524
n×5 324405

Division

n÷y
n÷2 32440.5
n÷3 21627
n÷3 16220.25
n÷5 12976.2

Exponentiation

ny
n2 4209544161
n3 273119434709841
n4 1.7720262043409E+19
n5 1.1497083216384E+24

Nth Root

y√n
2√n 254.71749056553
3√n 40.182705860261
4√n 15.959871257799
5√n 9.1711438828507

Divisors of 64881

1, 3, 9, 27, 81, 89, 243, 267, 729, 801, 2403, 7209, 21627, 64881

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64880
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64881 can be divided by 14 positive divisors. The sum of these divisors (counting 64881) is 1, the average is 0.071428571428571.

Base conversion 64881

Base System Value
2 Binary 1111110101110001
3 Ternary 10022000000
4 Quaternary 33311301
5 Quinary 4034011
6 Senary 1220213
8 Octal 176561
10 Decimal 64881
12 Duodecimal 31669
16 Hexadecimal fd71
20 Vigesimal 8241
36 Base36 1e29

Cryptographic Hash Functions

md5 934551790836223ddfbc02def67fa02f
sha1 40864645a91f3752a580e78d95909a2428fdedad
sha256 12d6b7273877f85d889f5021129cc8397149af43c4446c39029430af17d0aed7
sha512 785ff18e6305d6831e1c85ea1b23b1f9c4f078ef2d2f7415a334d66c5c6e9d7c3c3496904ca0a59f38c1ec7756a861ba16e4d53d5a7e17964ebd9bab735fdb4c
ripemd-160 9398d608c63edf09d1735e803fc0fd81f16b9b96

64881 as geometric shapes

Circle

Radius = n
Diameter 129762
Circumference 407659.34591512
Area 13224673011.159

Sphere

Radius = n
Volume 1.1440400128494E+15
Surface area 52898692044.638
Circumference 407659.34591512

Square

Length = n
Perimeter 259524
Area 4209544161
Diagonal 91755.590140329

Cube

Length = n
Surface area 25257264966
Volume 273119434709841
Space diagonal 112377.18844588

Equilateral Triangle

Length = n
Perimeter 194643
Area 1822786090.8892
Altitude 56188.594222938

Triangular Pyramid

Length = n
Surface area 1822786090.8892
Volume 32187434059528
Height 30585.196713443