868940981 is an odd 9-digits composite number following 868940980
and preceding 868940982 . In scientific notation, it is written as 8.68940981 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 868378464 positive integers (up to 868940981) that are relatively prime to 868940981.
868940981 has 4 divisors, whose sum is 869503500
The reverse of 868940981 is 189049868
Previous prime number is 1549
Is Prime? no Number parity odd Number length 9 Sum of Digits 53 Digital Root 8
Name
eight hundred sixty-eight million nine hundred forty thousand nine hundred eighty-one
Scientific notation
8.68940981 × 10^8
Engineering notation
8.68940981 × 10^6
Prime Factorization
1549 × 560969
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
868940981 Product of the distinct prime numbers
The prime factorization of 868940981 is 1549 × 560969.
Since it has a total of 2 prime factors.
3 , 7 , 44 , 80 , 850 , 23 , 9727 , 2824 , 93217 , 6746 , 512494 , 495628 , 8818781 , 6930293 , 8846057 , 58884151 , 841915103 , 280020533 , 8801804045 , 2063187812
n×2
1737881962
n×3
2606822943
n×4
3475763924
n×5
4344704905
n÷2
434470490.5
n÷3
289646993.66667
n÷3
217235245.25
n÷5
173788196.2
n2
755058428461242361
n3
6.5610121153943E+26
n4
5.7011323039036E+35
n5
4.9539474969648E+44
2 √n29477.804887746
3 √n954.25276416466
4 √n171.69101574557
5 √n61.347667629524
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
-868940980 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 868940981 can be divided by 4 positive divisors.
The sum of these divisors (counting 868940981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110011110010101111110010110101
3
Ternary
2020120001202221022
4
Quaternary
303302233302311
5
Quinary
3234422102411
6
Senary
222120230525
8
Octal
6362576265
10
Decimal
868940981
12
Duodecimal
20300b445
16
Hexadecimal
33cafcb5
20
Vigesimal
dbahc91
36
Base36
edcf5h
md5
a1a060a595134d058c0b04b58c3a5ab6
sha1
f9f14304e2fe926f3bd5f1be5b9da88da08c3410
sha256
6314b261f12764abf9e06f854dbd80d75ecb1feb4942e14a0a5e9e3f31a8b8c9
sha512
cf6f596aa961c5036b50796d7c8ef8047f4e07019f13b1d9d9ad1198da27e5c7b5f28303bba115d4516f74078d9d9869068952ad76d2d66e12352583e1f4603d
ripemd-160
36664d771d7d0441593e60e60bdcb069d65f20dc
Diameter
1737881962
Circumference
5459717204.6254
Area
2.3720860118849E+18
Volume
2.7482703282448E+27
Surface area
9.4883440475396E+18
Circumference
5459717204.6254
Perimeter
3475763924
Area
755058428461242361
Diagonal
1228868120.232
Surface area
4530350570767454166
Volume
6.5610121153943E+26
Space diagonal
1505049927.8707
Perimeter
2606822943
Area
3.269498901945E+17
Altitude
752524963.93537
Surface area
3.269498901945E+17
Volume
7.732226930404E+25
Height
409622706.74399