868804781 is an odd 9-digits composite number following 868804780
and preceding 868804782 . In scientific notation, it is written as 8.68804781 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 799357680 positive integers (up to 868804781) that are relatively prime to 868804781.
868804781 has 8 divisors, whose sum is 938687904
The reverse of 868804781 is 187408868
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
eight hundred sixty-eight million eight hundred four thousand seven hundred eighty-one
Scientific notation
8.68804781 × 10^8
Engineering notation
8.68804781 × 10^6
Prime Factorization
13 × 307 × 217691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
868804781
Product of the distinct prime numbers
The prime factorization of 868804781 is 13 × 307 × 217691.
Since it has a total of 3 prime factors.
5 , 9 , 85 , 47 , 462 , 889 , 3921 , 4303 , 24733 , 1185 , 200526 , 408900 , 6047164 , 9609625 , 75499662 , 84903395 , 30679680 , 451040595 , 9786027139 , 3276751225
n×2
1737609562
n×3
2606414343
n×4
3475219124
n×5
4344023905
n÷2
434402390.5
n÷3
289601593.66667
n÷3
217201195.25
n÷5
173760956.2
n2
754821747488457961
n3
6.5579274302075E+26
n4
5.6975587048153E+35
n5
4.9500662427717E+44
2 √n
29475.494584485
3 √n
954.20290423153
4 √n
171.68428752942
5 √n
61.34574435132
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-868804780
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 868804781 can be divided by 8 positive divisors.
The sum of these divisors (counting 868804781) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011110010001110100010101101
3
Ternary
2020112210212002212
4
Quaternary
303302032202231
5
Quinary
3234403223111
6
Senary
222113300205
8
Octal
6362164255
10
Decimal
868804781
12
Duodecimal
202b64665
16
Hexadecimal
33c8e8ad
20
Vigesimal
dba0bj1
36
Base36
ed9i25
md5
a7de23ca4349302f1a5e50e17c98a1cb
sha1
8bfdae3e70a2d957151407bcf587c64afb22fb2d
sha256
d183685745ab23efaa7775290e5f712b122d5ec92687c5ed4f531c7366151eeb
sha512
c77061780efcbf40c3ddf433cb5acb5a4afd60eb79518469ea73f2046f3e628d9699a2b85fe2e4464baddee510aca993cd017a0e24d0596b9212fca83a4c0033
ripemd-160
dab969844c2b59eda84e9e5f83b5eaaf21253399
Diameter
1737609562
Circumference
5458861434.7866
Area
2.3713424566795E+18
Volume
2.7469782183353E+27
Surface area
9.4853698267182E+18
Circumference
5458861434.7866
Perimeter
3475219124
Area
754821747488457961
Diagonal
1228675504.3448
Surface area
4528930484930747766
Volume
6.5579274302075E+26
Space diagonal
1504814022.5508
Perimeter
2606414343
Area
3.2684740432698E+17
Altitude
752407011.27538
Surface area
3.2684740432698E+17
Volume
7.7285915940483E+25
Height
409558501.44826