868742721 is an odd 9-digits composite number following 868742720
and preceding 868742722 . In scientific notation, it is written as 8.68742721 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 413061120 positive integers (up to 868742721) that are relatively prime to 868742721.
868742721 has 16 divisors, whose sum is 1020800384
The reverse of 868742721 is 127247868
Previous prime number is 37
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
eight hundred sixty-eight million seven hundred forty-two thousand seven hundred twenty-one
Scientific notation
8.68742721 × 10^8
Engineering notation
8.68742721 × 10^6
Prime Factorization
1683 × 7 × 37 × 1993
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
868742721 Product of the distinct prime numbers
The prime factorization of 868742721 is 1683 × 7 × 37 × 1993.
Since it has a total of 4 prime factors.
3 , 7 , 42 , 13 , 336 , 310 , 5254 , 6893 , 86337 , 34566 , 78786 , 219195 , 829191 , 7548526 , 52706536 , 78011940 , 886010997 , 361346561 , 1140559212 , 1820809069
n×2
1737485442
n×3
2606228163
n×4
3474970884
n×5
4343713605
n÷2
434371360.5
n÷3
289580907
n÷3
217185680.25
n÷5
173748544.2
n2
754713915290483841
n3
6.5565222034602E+26
n4
5.6959309393309E+35
n5
4.9482985428624E+44
2 √n29474.441826776
3 √n954.18018365279
4 √n171.68122153216
5 √n61.344867922976
1 , 7 , 37 , 259 , 1683 , 1993 , 11781 , 13951 , 62271 , 73741 , 435897 , 516187 , 3354219 , 23479533 , 124106103 , 868742721
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
-868742720 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 868742721 can be divided by 16 positive divisors.
The sum of these divisors (counting 868742721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110011110001111111011001000001
3
Ternary
2020112200200222100
4
Quaternary
303301333121001
5
Quinary
3234344231341
6
Senary
222112101013
8
Octal
6361773101
10
Decimal
868742721
12
Duodecimal
202b34769
16
Hexadecimal
33c7f641
20
Vigesimal
db9cgg1
36
Base36
ed8669
md5
cde4e36abacd62539005bb72e4d0d519
sha1
4ad2f706f98cce9e910ed19eeec053439f17184a
sha256
56c636b0d619ec41d66b2393ae1da730d712191125c5451e153eefb8231eaf7d
sha512
5daf2029fa7f52338c6777b2622e5180b05f48996a78e484b8c063474a0e76e11208fa79ccbcb451873599e9d2a61dad2ee78ac30cff36e2148378df685e73de
ripemd-160
724f346c43f84615e484796f4cf2a9cf38179d22
Diameter
1737485442
Circumference
5458471500.3064
Area
2.3710036918386E+18
Volume
2.7463895983318E+27
Surface area
9.4840147673543E+18
Circumference
5458471500.3064
Perimeter
3474970884
Area
754713915290483841
Diagonal
1228587738.2511
Surface area
4528283491742903046
Volume
6.5565222034602E+26
Space diagonal
1504706531.4776
Perimeter
2606228163
Area
3.2680071161559E+17
Altitude
752353265.73882
Surface area
3.2680071161559E+17
Volume
7.7269355184448E+25
Height
409529246.0837