868761491 is an odd 9-digits composite number following 868761490
and preceding 868761492 . In scientific notation, it is written as 8.68761491 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 759726432 positive integers (up to 868761491) that are relatively prime to 868761491.
868761491 has 8 divisors, whose sum is 984831120
The reverse of 868761491 is 194167868
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
eight hundred sixty-eight million seven hundred sixty-one thousand four hundred ninety-one
Scientific notation
8.68761491 × 10^8
Engineering notation
8.68761491 × 10^6
Prime Factorization
19 × 13 × 3517253
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
868761491
Product of the distinct prime numbers
The prime factorization of 868761491 is 19 × 13 × 3517253.
Since it has a total of 3 prime factors.
6 , 9 , 84 , 17 , 5 , 26 , 4757 , 122 , 89341 , 26220 , 651083 , 650854 , 4051193 , 5074350 , 30227192 , 45784112 , 822385349 , 396573444 , 5591799109 , 7583907679
n×2
1737522982
n×3
2606284473
n×4
3475045964
n×5
4343807455
n÷2
434380745.5
n÷3
289587163.66667
n÷3
217190372.75
n÷5
173752298.2
n2
754746528244543081
n3
6.556947192048E+26
n4
5.6964232189719E+35
n5
4.9488331290811E+44
2 √n
29474.760236514
3 √n
954.18705558876
4 √n
171.68214885804
5 √n
61.345133003348
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
-868761490
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 868761491 can be divided by 8 positive divisors.
The sum of these divisors (counting 868761491) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011110010000011111110010011
3
Ternary
2020112201122201112
4
Quaternary
303302003332103
5
Quinary
3234400331431
6
Senary
222112323535
8
Octal
6362037623
10
Decimal
868761491
12
Duodecimal
202b435ab
16
Hexadecimal
33c83f93
20
Vigesimal
db9f3eb
36
Base36
ed8knn
md5
08f6ce5ab2d9ab297a05af40e33cc476
sha1
155a3329459893a991bf3fcf9a4bc2a3ec6f8101
sha256
6069e98425cfab88df1f1c611a40e81bf6afecb349298fd7f9998fcf0b42118c
sha512
1bf63d74c00d45145f59b5ef43d251712d8247e272f76e75f8c8b6b1ee02a18f168138249b1611d82c459d575f5340ab0d1bdc7b70e638add759a88d64d62b38
ripemd-160
66282ca2e9546227eb258b855f661c2e6a286cef
Diameter
1737522982
Circumference
5458589435.6946
Area
2.3711061484555E+18
Volume
2.7465676171352E+27
Surface area
9.4844245938218E+18
Circumference
5458589435.6946
Perimeter
3475045964
Area
754746528244543081
Diagonal
1228614283.0397
Surface area
4528479169467258486
Volume
6.556947192048E+26
Space diagonal
1504739042.0713
Perimeter
2606284473
Area
3.2681483343894E+17
Altitude
752369521.03565
Surface area
3.2681483343894E+17
Volume
7.7274363722988E+25
Height
409538094.34656