66885831 is an odd 8-digits composite number following 66885830
and preceding 66885832 . In scientific notation, it is written as 6.6885831 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors.
There are 44152128 positive integers (up to 66885831) that are relatively prime to 66885831.
66885831 has 20 divisors, whose sum is 100898512
The reverse of 66885831 is 13858866
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million eight hundred eighty-five thousand eight hundred thirty-one
Scientific notation
6.6885831 × 10^7
Engineering notation
6.6885831 × 10^6
Prime Factorization
9 × 3 × 3 × 103 × 8017
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
22295277
Product of the distinct prime numbers
The prime factorization of 66885831 is 9 × 3 × 3 × 103 × 8017.
Since it has a total of 5 prime factors.
10 , 4 , 96 , 12 , 531 , 419 , 6472 , 5116 , 57008 , 33672 , 483933 , 585508 , 6839131 , 2161169 , 56734856 , 65618951 , 200849827 , 549165602 , 8459311852 , 4854829
n×2
133771662
n×3
200657493
n×4
267543324
n×5
334429155
n÷2
33442915.5
n÷3
22295277
n÷3
16721457.75
n÷5
13377166.2
n2
4473714388560561
n3
2.9922810453553E+23
n4
2.0014120430414E+31
n5
1.3386610767223E+39
2 √n
8178.3758167499
3 √n
405.92398093002
4 √n
90.434372982566
5 √n
36.733881903416
1 , 3 , 9 , 27 , 81 , 103 , 309 , 927 , 2781 , 8017 , 8343 , 24051 , 72153 , 216459 , 649377 , 825751 , 2477253 , 7431759 , 22295277 , 66885831
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66885830
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66885831 can be divided by 20 positive divisors.
The sum of these divisors (counting 66885831) is 1, the average is 0.05.
Base
System
Value
2
Binary
11111111001001100011000111
3
Ternary
11122212011010000
4
Quaternary
3333021203013
5
Quinary
114110321311
6
Senary
10345332343
8
Octal
377114307
10
Decimal
66885831
12
Duodecimal
1a4970b3
16
Hexadecimal
3fc98c7
20
Vigesimal
10i0ebb
36
Base36
13tlfr
md5
8afa787d129ef341fa132915e18e3bf3
sha1
408e62a9295685603a68a4a4e1009dbe9c7999f7
sha256
9d8b0afc88be66f0862d13b3358de259a6bae98fad3837741b23693440333de1
sha512
0f80c0e871f79f190e0ae22028a34c15c6334464649ddf9bc6d0b7f3ec367470a1f29ec51e9037f316dd71e6992b6bcf079edee4a9e0965556ad8f6e40a6ef58
ripemd-160
4db2b81b3517daf993517eb0b80d0a11a4882d7f
Diameter
133771662
Circumference
420256070.5977
Area
1.4054588257361E+16
Volume
1.2534037532752E+24
Surface area
5.6218353029443E+16
Circumference
420256070.5977
Perimeter
267543324
Area
4473714388560561
Diagonal
94590849.330795
Surface area
26842286331363366
Volume
2.9922810453553E+23
Space diagonal
115849657.59847
Perimeter
200657493
Area
1.9371751548847E+15
Altitude
57924828.799233
Surface area
1.9371751548847E+15
Volume
3.5264370306445E+22
Height
31530283.110265