868721809 is an odd 9-digits composite number following 868721808
and preceding 868721810 . In scientific notation, it is written as 8.68721809 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 862018080 positive integers (up to 868721809) that are relatively prime to 868721809.
868721809 has 4 divisors, whose sum is 868833280
The reverse of 868721809 is 908127868
Previous prime number is 103039
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
eight hundred sixty-eight million seven hundred twenty-one thousand eight hundred nine
Scientific notation
8.68721809 × 10^8
Engineering notation
8.68721809 × 10^6
Prime Factorization
103039 × 8431
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
868721809
Product of the distinct prime numbers
The prime factorization of 868721809 is 103039 × 8431.
Since it has a total of 2 prime factors.
2 , 5 , 65 , 56 , 123 , 293 , 6901 , 3503 , 35582 , 67861 , 592929 , 319444 , 8571156 , 3559137 , 39858446 , 3271678 , 182379719 , 367685578 , 8470522141 , 2088336644
n×2
1737443618
n×3
2606165427
n×4
3474887236
n×5
4343609045
n÷2
434360904.5
n÷3
289573936.33333
n÷3
217180452.25
n÷5
173744361.8
n2
754677581432232481
n3
6.5560487375355E+26
n4
5.695382519164E+35
n5
4.9477030049952E+44
2 √n
29474.087076617
3 √n
954.17252738678
4 √n
171.68018836376
5 √n
61.344572586693
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-868721808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 868721809 can be divided by 4 positive divisors.
The sum of these divisors (counting 868721809) is 1, the average is 0.25.
Base
System
Value
2
Binary
110011110001111010010010010001
3
Ternary
2020112122122021211
4
Quaternary
303301322102101
5
Quinary
3234343044214
6
Senary
222111420121
8
Octal
6361722221
10
Decimal
868721809
12
Duodecimal
202b24641
16
Hexadecimal
33c7a491
20
Vigesimal
db9a4a9
36
Base36
ed7q1d
md5
ecabb072cf2e2dc17b692e25b34af277
sha1
1fb906334f00e78bfbdb8c5e22690f9e3358d28b
sha256
ed041be2d868d63b5dd5d6015becff1f7194d2070008d4ac01adf81e0ffac2b3
sha512
c6e4f8617cf395ae3057de861588d9d46de4c018cd42d3529adb44254d5a73e1df0cb9a107e48f210693c370de09a1a63983a8be9842e07218cfe28675f72883
ripemd-160
100dc5535dcd9538ad1d44f5e0948239eff9083e
Diameter
1737443618
Circumference
5458340106.3353
Area
2.3708895456564E+18
Volume
2.7461912733891E+27
Surface area
9.4835581826257E+18
Circumference
5458340106.3353
Perimeter
3474887236
Area
754677581432232481
Diagonal
1228558164.2171
Surface area
4528065488593394886
Volume
6.5560487375355E+26
Space diagonal
1504670310.8311
Perimeter
2606165427
Area
3.2678497859346E+17
Altitude
752335155.41557
Surface area
3.2678497859346E+17
Volume
7.7263775335015E+25
Height
409519388.07236