8121691666 is an even 10-digits composite number following 8121691665
and preceding 8121691667 . In scientific notation, it is written as 8.121691666 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 3675121200 positive integers (up to 8121691666) that are relatively prime to 8121691666.
8121691666 has 16 divisors, whose sum is 13349645568
The reverse of 8121691666 is 6661961218
Previous prime number is 223
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
eight billion one hundred twenty-one million six hundred ninety-one thousand six hundred sixty-six
Scientific notation
8.121691666 × 10^9
Engineering notation
8.121691666 × 10^9
Prime Factorization
2 × 11 × 223 × 1655461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
8121691666
Product of the distinct prime numbers
The prime factorization of 8121691666 is 2 × 11 × 223 × 1655461.
Since it has a total of 4 prime factors.
10 , 3 , 31 , 69 , 473 , 238 , 2328 , 6633 , 75545 , 83842 , 383971 , 850600 , 6984264 , 3587854 , 68832748 , 11521506 , 873220188 , 526742488 , 1173194289 , 7472896650
n×2
16243383332
n×3
24365074998
n×4
32486766664
n×5
40608458330
n÷2
4060845833
n÷3
2707230555.3333
n÷3
2030422916.5
n÷5
1624338333.2
n2
6.5961875517574E+19
n3
5.3572201466481E+29
n4
4.3509690217959E+39
n5
3.5337228843344E+49
2 √n
90120.428682957
3 √n
2010.0899826881
4 √n
300.20064737265
5 √n
95.924445977319
1 , 2 , 11 , 22 , 223 , 446 , 2453 , 4906 , 1655461 , 3310922 , 18210071 , 36420142 , 369167803 , 738335606 , 4060845833 , 8121691666
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
-8121691665
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 8121691666 can be divided by 16 positive divisors.
The sum of these divisors (counting 8121691666) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100100000101110010111000010010
3
Ternary
202222000101200111001
4
Quaternary
13210011302320102
5
Quinary
113113123113131
6
Senary
3421524012214
8
Octal
74405627022
10
Decimal
8121691666
12
Duodecimal
16a7b3106a
16
Hexadecimal
1e4172e12
20
Vigesimal
66i0b936
36
Base36
3qbg1ea
md5
45394e620076fb7dc5125ef4c358a369
sha1
498684c965812f8085d11431525a8cae73d7004f
sha256
3cfc8b9a2b119283d211ab9f954922396fbd605976dc50eff0dfe0ea5fe9d1b9
sha512
579275c8e459ef7fe3ea7bc7620720514b551746098323dab8420860cc4e1bfee9c410d94c5f465388f0cd2bb7f432426a4dd85f11cf301a78fdff2bd62497a6
ripemd-160
3870ca5a0b4af9d22ab17c938772ac0a3a6016df
Diameter
16243383332
Circumference
51030093745.254
Area
2.0722534354301E+20
Volume
2.2440271275164E+30
Surface area
8.2890137417206E+20
Circumference
51030093745.254
Perimeter
32486766664
Area
6.5961875517574E+19
Diagonal
11485806503.47
Surface area
3.9577125310544E+20
Volume
5.3572201466481E+29
Space diagonal
14067182608.921
Perimeter
24365074998
Area
2.8562329939743E+19
Altitude
7033591304.4604
Surface area
2.8562329939743E+19
Volume
6.3135444900068E+28
Height
3828602167.8232