66881444 is an even 8-digits composite number following 66881443
and preceding 66881445 . In scientific notation, it is written as 6.6881444 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 27154656 positive integers (up to 66881444) that are relatively prime to 66881444.
66881444 has 12 divisors, whose sum is 117923484
The reverse of 66881444 is 44418866
Previous prime number is 133
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-six million eight hundred eighty-one thousand four hundred forty-four
Scientific notation
6.6881444 × 10^7
Engineering notation
6.6881444 × 10^6
Prime Factorization
2 × 2 × 133 × 125717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33440722
Product of the distinct prime numbers
The prime factorization of 66881444 is 2 × 2 × 133 × 125717.
Since it has a total of 4 prime factors.
3 , 3 , 96 , 23 , 390 , 708 , 1930 , 4539 , 37973 , 75522 , 181195 , 835765 , 7080142 , 7499927 , 70744688 , 26079254 , 45519222 , 458722908 , 4080279919 , 8703459934
n×2
133762888
n×3
200644332
n×4
267525776
n×5
334407220
n÷2
33440722
n÷3
22293814.666667
n÷3
16720361
n÷5
13376288.8
n2
4473127551525136
n3
2.9916922984219E+23
n4
2.0008870092213E+31
n5
1.3382221245756E+39
2 √n
8178.1076050637
3 √n
405.91510596894
4 √n
90.432890062541
5 √n
36.733400020286
1 , 2 , 4 , 133 , 266 , 532 , 125717 , 251434 , 502868 , 16720361 , 33440722 , 66881444
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66881443
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66881444 can be divided by 12 positive divisors.
The sum of these divisors (counting 66881444) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111111001000011110100100
3
Ternary
11122211221002112
4
Quaternary
3333020132210
5
Quinary
114110201234
6
Senary
10345300152
8
Octal
377103644
10
Decimal
66881444
12
Duodecimal
1a494658
16
Hexadecimal
3fc87a4
20
Vigesimal
10i03c4
36
Base36
13ti1w
md5
818d19fa6c28bb446ce9a9adddf119e9
sha1
a62648f46d4cb06b9cecbf8b0f606ef7eac5e20c
sha256
7918d1addcfc1f4df2e84dafafdd5bb49b020d32a172bf835ee7e5dc30f265fb
sha512
046d0750937f361b8ecf7805cc0ef5fbfdf32092b523b35530968452889fb44ecf82ece60c23f73aa258cc5fe44601b0c28d306b6f0551b1d50173dfae7e40bb
ripemd-160
7e8a59003e0302d0ad41b7a43d346c381df6cf4b
Diameter
133762888
Circumference
420228506.26375
Area
1.4052744654441E+16
Volume
1.2531571395364E+24
Surface area
5.6210978617766E+16
Circumference
420228506.26375
Perimeter
267525776
Area
4473127551525136
Diagonal
94584645.175897
Surface area
26838765309150816
Volume
2.9916922984219E+23
Space diagonal
115842059.09157
Perimeter
200644332
Area
1.9369210469944E+15
Altitude
57921029.545786
Surface area
1.9369210469944E+15
Volume
3.5257431857294E+22
Height
31528215.058632