66871908 is an even 8-digits composite number following 66871907
and preceding 66871909 . In scientific notation, it is written as 6.6871908 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 18 positive divisors.
There are 22290624 positive integers (up to 66871908) that are relatively prime to 66871908.
66871908 has 18 divisors, whose sum is 169037414
The reverse of 66871908 is 80917866
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million eight hundred seventy-one thousand nine hundred eight
Scientific notation
6.6871908 × 10^7
Engineering notation
6.6871908 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 1857553
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
11145318
Product of the distinct prime numbers
The prime factorization of 66871908 is 2 × 2 × 3 × 3 × 1857553.
Since it has a total of 5 prime factors.
2 , 2 , 84 , 23 , 16 , 374 , 636 , 8004 , 88851 , 48540 , 353392 , 323232 , 7286523 , 2244377 , 94192009 , 63313310 , 591549616 , 170392924 , 7868427017 , 3178544201
n×2
133743816
n×3
200615724
n×4
267487632
n×5
334359540
n÷2
33435954
n÷3
22290636
n÷3
16717977
n÷5
13374381.6
n2
4471852079560464
n3
2.9904128085398E+23
n4
1.9997461021469E+31
n5
1.3372683736613E+39
2 √n
8177.5245643165
3 √n
405.89581317161
4 √n
90.429666395031
5 √n
36.732352466103
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 1857553 , 3715106 , 5572659 , 7430212 , 11145318 , 16717977 , 22290636 , 33435954 , 66871908
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66871907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66871908 can be divided by 18 positive divisors.
The sum of these divisors (counting 66871908) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
11111111000110001001100100
3
Ternary
11122211110000100
4
Quaternary
3333012021210
5
Quinary
114104400113
6
Senary
10345144100
8
Octal
377061144
10
Decimal
66871908
12
Duodecimal
1a48b030
16
Hexadecimal
3fc6264
20
Vigesimal
10hijf8
36
Base36
13tap0
md5
f31dfa2dfe63ea4ea90feb047a31621a
sha1
bf88f0688ec8604aec5b7d6877a483f63bace999
sha256
845c1973b5a622bdb4539d25ca7b775fa1d1f0011db6e1cc316523ba5a2ee31e
sha512
e957ac5e9677857b5209993129699de0040ec7c4ae6b227e0de5a1d19593f82879889bfcb8fc9da9f88a9431aa9f6329fbdde43c84bb7de5e1a14c01d9428f87
ripemd-160
25437e81676014a2b6b7467bed06b5cb07615a75
Diameter
133743816
Circumference
420168589.80867
Area
1.4048737641087E+16
Volume
1.2526211880679E+24
Surface area
5.619495056435E+16
Circumference
420168589.80867
Perimeter
267487632
Area
4471852079560464
Diagonal
94571159.235366
Surface area
26831112477362784
Volume
2.9904128085398E+23
Space diagonal
115825542.25507
Perimeter
200615724
Area
1.9363687514328E+15
Altitude
57912771.127536
Surface area
1.9363687514328E+15
Volume
3.5242352924426E+22
Height
31523719.745122