66881946 is an even 8-digits composite number following 66881945
and preceding 66881947 . In scientific notation, it is written as 6.6881946 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 21200256 positive integers (up to 66881946) that are relatively prime to 66881946.
66881946 has 32 divisors, whose sum is 140466240
The reverse of 66881946 is 64918866
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-six million eight hundred eighty-one thousand nine hundred forty-six
Scientific notation
6.6881946 × 10^7
Engineering notation
6.6881946 × 10^6
Prime Factorization
2 × 3 × 29 × 67 × 5737
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
66881946
Product of the distinct prime numbers
The prime factorization of 66881946 is 2 × 3 × 29 × 67 × 5737.
Since it has a total of 5 prime factors.
9 , 5 , 75 , 54 , 877 , 623 , 8737 , 8692 , 19310 , 15044 , 46774 , 121832 , 8984125 , 9882332 , 34869663 , 10245262 , 592606639 , 351389560 , 9167452914 , 3249053641
n×2
133763892
n×3
200645838
n×4
267527784
n×5
334409730
n÷2
33440973
n÷3
22293982
n÷3
16720486.5
n÷5
13376389.2
n2
4473194700746916
n3
2.9917596642284E+23
n4
2.000947083079E+31
n5
1.3382723475935E+39
2 √n
8178.138296703
3 √n
405.91612154148
4 √n
90.433059755285
5 √n
36.73345516297
1 , 2 , 3 , 6 , 29 , 58 , 67 , 87 , 134 , 174 , 201 , 402 , 1943 , 3886 , 5737 , 5829 , 11474 , 11658 , 17211 , 34422 , 166373 , 332746 , 384379 , 499119 , 768758 , 998238 , 1153137 , 2306274 , 11146991 , 22293982 , 33440973 , 66881946
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66881945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66881946 can be divided by 32 positive divisors.
The sum of these divisors (counting 66881946) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111111001000100110011010
3
Ternary
11122211221210010
4
Quaternary
3333020212122
5
Quinary
114110210241
6
Senary
10345302350
8
Octal
377104632
10
Decimal
66881946
12
Duodecimal
1a4949b6
16
Hexadecimal
3fc899a
20
Vigesimal
10i04h6
36
Base36
13tifu
md5
3ac9f0d07c8ab89da47e056a1e7257b8
sha1
39b93041f0adcdb0f75ac34f8969196619465092
sha256
0dc53431d7342ab339f3ebd4648b85b6d80b36aad9e9e9fe99cc84e8de1dcdb9
sha512
74651ef2f007929b6c528f3f977f68a509285685168eac21755a1d9caba2e77ce5167473371b558fdb87423b1d479070eed70c0ba2242818be8f1e252f506184
ripemd-160
1650091488ba958e2d0594c9df1808ad89f7348c
Diameter
133763892
Circumference
420231660.42278
Area
1.4052955609943E+16
Volume
1.2531853576595E+24
Surface area
5.6211822439773E+16
Circumference
420231660.42278
Perimeter
267527784
Area
4473194700746916
Diagonal
94585355.111105
Surface area
26839168204481496
Volume
2.9917596642284E+23
Space diagonal
115842928.58108
Perimeter
200645838
Area
1.9369501234604E+15
Altitude
57921464.290539
Surface area
1.9369501234604E+15
Volume
3.5258225770938E+22
Height
31528451.703702