868721811 is an odd 9-digits composite number following 868721810
and preceding 868721812 . In scientific notation, it is written as 8.68721811 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 543873024 positive integers (up to 868721811) that are relatively prime to 868721811.
868721811 has 16 divisors, whose sum is 1229147424
The reverse of 868721811 is 118127868
Previous prime number is 457
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
eight hundred sixty-eight million seven hundred twenty-one thousand eight hundred eleven
Scientific notation
8.68721811 × 10^8
Engineering notation
8.68721811 × 10^6
Prime Factorization
3 × 17 × 457 × 37273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
868721811
Product of the distinct prime numbers
The prime factorization of 868721811 is 3 × 17 × 457 × 37273.
Since it has a total of 4 prime factors.
7 , 4 , 32 , 94 , 514 , 805 , 1659 , 6429 , 11961 , 51957 , 690651 , 701967 , 2284876 , 4733548 , 7525027 , 85790538 , 175178799 , 79047878 , 4376631403 , 3081794584
n×2
1737443622
n×3
2606165433
n×4
3474887244
n×5
4343609055
n÷2
434360905.5
n÷3
289573937
n÷3
217180452.75
n÷5
173744362.2
n2
754677584907119721
n3
6.5560487828162E+26
n4
5.6953825716124E+35
n5
4.947703061949E+44
2 √n
29474.087110545
3 √n
954.17252811902
4 √n
171.68018846257
5 √n
61.344572614939
1 , 3 , 17 , 51 , 457 , 1371 , 7769 , 23307 , 37273 , 111819 , 633641 , 1900923 , 17033761 , 51101283 , 289573937 , 868721811
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
-868721810
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 868721811 can be divided by 16 positive divisors.
The sum of these divisors (counting 868721811) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110011110001111010010010010011
3
Ternary
2020112122122021220
4
Quaternary
303301322102103
5
Quinary
3234343044221
6
Senary
222111420123
8
Octal
6361722223
10
Decimal
868721811
12
Duodecimal
202b24643
16
Hexadecimal
33c7a493
20
Vigesimal
db9a4ab
36
Base36
ed7q1f
md5
9ef814bd03997bb1569babb3b926e084
sha1
2f98bd39c1ba5084c7e60f0fe0d1ccf4ac3ab689
sha256
420c3d045cfa5eb129aa3552e113e6900a9206ad47576d2ff9371a0266ec08f3
sha512
3d248d42bf4875c41438cb06f11cb075880e0002564f4f74e382712c254a647d2ff6172c0413ea44e466010dbf32b6b74fdb5dc30144ab12385fe8e10eb1c366
ripemd-160
f22859cf0d65fa8324be6e5b5df525a369ad7427
Diameter
1737443622
Circumference
5458340118.9016
Area
2.3708895565731E+18
Volume
2.7461912923562E+27
Surface area
9.4835582262924E+18
Circumference
5458340118.9016
Perimeter
3474887244
Area
754677584907119721
Diagonal
1228558167.0455
Surface area
4528065509442718326
Volume
6.5560487828162E+26
Space diagonal
1504670314.2952
Perimeter
2606165433
Area
3.2678498009813E+17
Altitude
752335157.14762
Surface area
3.2678498009813E+17
Volume
7.7263775868652E+25
Height
409519389.01517