66882988 is an even 8-digits composite number following 66882987
and preceding 66882989 . In scientific notation, it is written as 6.6882988 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 31987472 positive integers (up to 66882988) that are relatively prime to 66882988.
66882988 has 12 divisors, whose sum is 122134320
The reverse of 66882988 is 88928866
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-six million eight hundred eighty-two thousand nine hundred eighty-eight
Scientific notation
6.6882988 × 10^7
Engineering notation
6.6882988 × 10^6
Prime Factorization
2 × 2 × 23 × 726989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33441494
Product of the distinct prime numbers
The prime factorization of 66882988 is 2 × 2 × 23 × 726989.
Since it has a total of 4 prime factors.
5 , 5 , 10 , 83 , 908 , 770 , 7397 , 5657 , 8219 , 1593 , 561749 , 917388 , 831339 , 5276639 , 55915788 , 25006406 , 741934224 , 157320907 , 9387618846 , 6512718465
n×2
133765976
n×3
200648964
n×4
267531952
n×5
334414940
n÷2
33441494
n÷3
22294329.333333
n÷3
16720747
n÷5
13376597.6
n2
4473334083808144
n3
2.9918994984733E+23
n4
2.001071782536E+31
n5
1.3383766001849E+39
2 √n
8178.2020028855
3 √n
405.91822954634
4 √n
90.433411982992
5 √n
36.733569621427
1 , 2 , 4 , 23 , 46 , 92 , 726989 , 1453978 , 2907956 , 16720747 , 33441494 , 66882988
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
-66882987
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 66882988 can be divided by 12 positive divisors.
The sum of these divisors (counting 66882988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111111001000110110101100
3
Ternary
11122212000012201
4
Quaternary
3333020312230
5
Quinary
114110223423
6
Senary
10345311244
8
Octal
377106654
10
Decimal
66882988
12
Duodecimal
1a495524
16
Hexadecimal
3fc8dac
20
Vigesimal
10i0798
36
Base36
13tj8s
md5
cc06f74fc19c3d69325757c126310571
sha1
7549f5de2cf98baaecf7902a58cdb9ae4a4ad680
sha256
104bc7fbfd2441b0b08bf4cb89f6198a8e81c7310583072ad322e56a7841c165
sha512
d07a434b320d51ee70a260210d064115015ebae72e86d00dcb3c192bb9b0277f158cebb1e44f66abf6872592895f1ea491ed823b82e8e845c89ac0980c225c68
ripemd-160
d68a0ade5157749759738fc2ba383035e14dde47
Diameter
133765976
Circumference
420238207.50187
Area
1.4053393494744E+16
Volume
1.253243931291E+24
Surface area
5.6213573978978E+16
Circumference
420238207.50187
Perimeter
267531952
Area
4473334083808144
Diagonal
94586828.721637
Surface area
26840004502848864
Volume
2.9918994984733E+23
Space diagonal
115844733.37802
Perimeter
200648964
Area
1.9370104780963E+15
Altitude
57922366.68901
Surface area
1.9370104780963E+15
Volume
3.5259873733318E+22
Height
31528942.907212