66856688 is an even 8-digits composite number following 66856687
and preceding 66856689 . In scientific notation, it is written as 6.6856688 × 10^7.
The sum of its digits is 53. It has a total of 5 prime factors and 10 positive divisors.
There are 33428336 positive integers (up to 66856688) that are relatively prime to 66856688.
66856688 has 10 divisors, whose sum is 129534864
The reverse of 66856688 is 88665866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-six million eight hundred fifty-six thousand six hundred eighty-eight
Scientific notation
6.6856688 × 10^7
Engineering notation
6.6856688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 4178543
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
8357086
Product of the distinct prime numbers
The prime factorization of 66856688 is 2 × 2 × 2 × 2 × 4178543.
Since it has a total of 5 prime factors.
5 , 9 , 91 , 99 , 84 , 698 , 7453 , 2856 , 83248 , 22660 , 608823 , 143117 , 7932535 , 9310036 , 70594452 , 79069519 , 15594305 , 295498626 , 6983356197 , 3752980732
n×2
133713376
n×3
200570064
n×4
267426752
n×5
334283440
n÷2
33428344
n÷3
22285562.666667
n÷3
16714172
n÷5
13371337.6
n2
4469816730329344
n3
2.9883714255681E+23
n4
1.9979261602732E+31
n5
1.3357472594442E+39
2 √n
8176.5939118927
3 √n
405.86501696634
4 √n
90.424520523432
5 √n
36.730680262257
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66856687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66856688 can be divided by 10 positive divisors.
The sum of these divisors (counting 66856688) is 1, the average is 0.1.
Base
System
Value
2
Binary
11111111000010011011110000
3
Ternary
11122210200010122
4
Quaternary
3333002123300
5
Quinary
114103403223
6
Senary
10344545412
8
Octal
377023360
10
Decimal
66856688
12
Duodecimal
1a482268
16
Hexadecimal
3fc26f0
20
Vigesimal
10hh1e8
36
Base36
13syy8
md5
9ab2f3525f5e64f3b7d1ded6e8aff858
sha1
db6e8ad6ca1720aeaa06af167ca9e895cf506f4f
sha256
c1cf53cfc6b201fb88ba9580eba986cf843d48e6a1740924e0c9fa90f80bbc29
sha512
4e5088504a87d20c804b325e3a76449d676e552ac2f24cf2732bec6f20c0b1d5bdc60b7bc2ed9513e82bb1ca465ad4909e4bcb80be4043d27edd1c86dc52b63d
ripemd-160
2bb9274b5a00cd6b84624a2400a491d4d1599927
Diameter
133713376
Circumference
420072959.72829
Area
1.4042343402895E+16
Volume
1.2517660955683E+24
Surface area
5.6169373611582E+16
Circumference
420072959.72829
Perimeter
267426752
Area
4469816730329344
Diagonal
94549634.904947
Surface area
26818900381976064
Volume
2.9883714255681E+23
Space diagonal
115799180.44178
Perimeter
200570064
Area
1.935487419363E+15
Altitude
57899590.22089
Surface area
1.935487419363E+15
Volume
3.5218294995388E+22
Height
31516544.968316