868721857 is an odd 9-digits composite number following 868721856
and preceding 868721858 . In scientific notation, it is written as 8.68721857 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 822999636 positive integers (up to 868721857) that are relatively prime to 868721857.
868721857 has 4 divisors, whose sum is 914444080
The reverse of 868721857 is 758127868
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
eight hundred sixty-eight million seven hundred twenty-one thousand eight hundred fifty-seven
Scientific notation
8.68721857 × 10^8
Engineering notation
8.68721857 × 10^6
Prime Factorization
19 × 45722203
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
868721857
Product of the distinct prime numbers
The prime factorization of 868721857 is 19 × 45722203.
Since it has a total of 2 prime factors.
1 , 5 , 83 , 24 , 927 , 826 , 6469 , 5367 , 85657 , 10905 , 370778 , 128451 , 9140849 , 1214435 , 30344446 , 85802766 , 464545609 , 798761854 , 3529668236 , 6438910131
n×2
1737443714
n×3
2606165571
n×4
3474887428
n×5
4343609285
n÷2
434360928.5
n÷3
289573952.33333
n÷3
217180464.25
n÷5
173744371.4
n2
754677664829528449
n3
6.5560498242713E+26
n4
5.6953837779255E+35
n5
4.9477043718871E+44
2 √n
29474.087890892
3 √n
954.1725449606
4 √n
171.68019073525
5 √n
61.344573264594
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
-868721856
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 868721857 can be divided by 4 positive divisors.
The sum of these divisors (counting 868721857) is 1, the average is 0.25.
Base
System
Value
2
Binary
110011110001111010010011000001
3
Ternary
2020112122122100121
4
Quaternary
303301322103001
5
Quinary
3234343044412
6
Senary
222111420241
8
Octal
6361722301
10
Decimal
868721857
12
Duodecimal
202b24681
16
Hexadecimal
33c7a4c1
20
Vigesimal
db9a4ch
36
Base36
ed7q2p
md5
971e024ab48a1dea227ece4b7208ff61
sha1
899ca0ebd3a2a2586ef48dc5497e1e0535152da9
sha256
8b356ed3d9bf7cd13bf3bc16e12ef5b1bebd54e1fce1f7a4da6fc99430cfddb9
sha512
cb58bd14f63ce96f4bb87f1fd328ba42e1746c35c45eacdba3467697aa524ee91dac2f7bef247cb233a7aa9b0c18754121458474289a5b34d1d92f3fe6637af7
ripemd-160
9d2154db2ed649df2abcea4535afd451ba5900cb
Diameter
1737443714
Circumference
5458340407.9282
Area
2.3708898076567E+18
Volume
2.7461917285999E+27
Surface area
9.483559230627E+18
Circumference
5458340407.9282
Perimeter
3474887428
Area
754677664829528449
Diagonal
1228558232.0993
Surface area
4528065988977170694
Volume
6.5560498242713E+26
Space diagonal
1504670393.9696
Perimeter
2606165571
Area
3.2678501470554E+17
Altitude
752335196.98479
Surface area
3.2678501470554E+17
Volume
7.7263788142319E+25
Height
409519410.69978