868757921 is an odd 9-digits composite number following 868757920
and preceding 868757922 . In scientific notation, it is written as 8.68757921 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 866881092 positive integers (up to 868757921) that are relatively prime to 868757921.
868757921 has 4 divisors, whose sum is 870634752
The reverse of 868757921 is 129757868
Previous prime number is 463
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
eight hundred sixty-eight million seven hundred fifty-seven thousand nine hundred twenty-one
Scientific notation
8.68757921 × 10^8
Engineering notation
8.68757921 × 10^6
Prime Factorization
463 × 1876367
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
868757921
Product of the distinct prime numbers
The prime factorization of 868757921 is 463 × 1876367.
Since it has a total of 2 prime factors.
7 , 7 , 44 , 91 , 825 , 320 , 4350 , 9877 , 70924 , 89206 , 744751 , 115058 , 1460634 , 2072151 , 29689789 , 6164027 , 7059340 , 37232724 , 7382852013 , 2631891809
n×2
1737515842
n×3
2606273763
n×4
3475031684
n×5
4343789605
n÷2
434378960.5
n÷3
289585973.66667
n÷3
217189480.25
n÷5
173751584.2
n2
754740325300242241
n3
6.556866359027E+26
n4
5.6963295863432E+35
n5
4.9487314487623E+44
2 √n
29474.699676163
3 √n
954.18574857393
4 √n
171.68197248448
5 √n
61.345082586177
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
-868757920
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 868757921 can be divided by 4 positive divisors.
The sum of these divisors (counting 868757921) is 1, the average is 0.25.
Base
System
Value
2
Binary
110011110010000011000110100001
3
Ternary
2020112201110211022
4
Quaternary
303302003012201
5
Quinary
3234400223141
6
Senary
222112255225
8
Octal
6362030641
10
Decimal
868757921
12
Duodecimal
202b41515
16
Hexadecimal
33c831a1
20
Vigesimal
db9eeg1
36
Base36
ed8hwh
md5
72252418f4f2768021c23e3ed511271f
sha1
9172c7ae53e105ac20c5d9e37214fd9470358cb6
sha256
e21d768822f60a4fbfb1e3711e72edc4be18f5ebea33bfaa71294fba327dca52
sha512
0f5374a38fc24dbdfc45a4a90cc068e0585664b733b47c2f39df322525d93b69c5fb91fec58c898619563f26f47499f1dc75a2aed95e8b10f1903db5e6941540
ripemd-160
9ab1464aec8f3a7fae72742d06245eaf1ad9c4d3
Diameter
1737515842
Circumference
5458567004.7231
Area
2.3710866613312E+18
Volume
2.7465337578786E+27
Surface area
9.4843466453248E+18
Circumference
5458567004.7231
Perimeter
3475031684
Area
754740325300242241
Diagonal
1228609234.2973
Surface area
4528441951801453446
Volume
6.556866359027E+26
Space diagonal
1504732858.6499
Perimeter
2606273763
Area
3.2681214748527E+17
Altitude
752366429.32495
Surface area
3.2681214748527E+17
Volume
7.7273411096699E+25
Height
409536411.43242