66871838 is an even 8-digits composite number following 66871837
and preceding 66871839 . In scientific notation, it is written as 6.6871838 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 30330840 positive integers (up to 66871838) that are relatively prime to 66871838.
66871838 has 16 divisors, whose sum is 109662336
The reverse of 66871838 is 83817866
Previous prime number is 503
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-six million eight hundred seventy-one thousand eight hundred thirty-eight
Scientific notation
6.6871838 × 10^7
Engineering notation
6.6871838 × 10^6
Prime Factorization
2 × 11 × 503 × 6043
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66871838
Product of the distinct prime numbers
The prime factorization of 66871838 is 2 × 11 × 503 × 6043.
Since it has a total of 4 prime factors.
4 , 9 , 7 , 72 , 37 , 860 , 1193 , 97 , 27589 , 83260 , 25309 , 299757 , 9044566 , 8794502 , 44510577 , 97121096 , 663269531 , 512546815 , 6066375769 , 5945448079
n×2
133743676
n×3
200615514
n×4
267487352
n×5
334359190
n÷2
33435919
n÷3
22290612.666667
n÷3
16717959.5
n÷5
13374367.6
n2
4471842717498244
n3
2.9904034176602E+23
n4
1.9997377290042E+31
n5
1.3372613745646E+39
2 √n
8177.5202842916
3 √n
405.89567154405
4 √n
90.429642730089
5 √n
36.732344775981
1 , 2 , 11 , 22 , 503 , 1006 , 5533 , 6043 , 11066 , 12086 , 66473 , 132946 , 3039629 , 6079258 , 33435919 , 66871838
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66871837
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66871838 can be divided by 16 positive divisors.
The sum of these divisors (counting 66871838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111000110001000011110
3
Ternary
11122211102220202
4
Quaternary
3333012020132
5
Quinary
114104344323
6
Senary
10345143502
8
Octal
377061036
10
Decimal
66871838
12
Duodecimal
1a48ab92
16
Hexadecimal
3fc621e
20
Vigesimal
10hijbi
36
Base36
13tan2
md5
8d58b6fb353178a2c8b28d2d7c3f3040
sha1
3a217a84c30cdc68a02de2e178bc3815097223a9
sha256
57abacbc8ce5d9a97633e826b53cc5194e2097a7325a5bde70cbcbcd234a903a
sha512
17b1fe8fc9908bbdcfef32281a713ae939ed3714739ef440ef8e63b455526143d2f0b458959333ec403c0262635a707c3d67de7040ec5c3ce8d06b0853a84e49
ripemd-160
3d9c546f48e47378cc8a89f17676366fe580baa7
Diameter
133743676
Circumference
420168149.98569
Area
1.4048708229302E+16
Volume
1.2526172544255E+24
Surface area
5.6194832917206E+16
Circumference
420168149.98569
Perimeter
267487352
Area
4471842717498244
Diagonal
94571060.240417
Surface area
26831056304989464
Volume
2.9904034176602E+23
Space diagonal
115825421.01152
Perimeter
200615514
Area
1.936364697541E+15
Altitude
57912710.505758
Surface area
1.936364697541E+15
Volume
3.524224225185E+22
Height
31523686.746806