855806421 is an odd 9-digits composite number following 855806420
and preceding 855806422 . In scientific notation, it is written as 8.55806421 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 570197232 positive integers (up to 855806421) that are relatively prime to 855806421.
855806421 has 8 divisors, whose sum is 1141756000
The reverse of 855806421 is 124608558
Previous prime number is 1693
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
eight hundred fifty-five million eight hundred six thousand four hundred twenty-one
Scientific notation
8.55806421 × 10^8
Engineering notation
8.55806421 × 10^6
Prime Factorization
3 × 1693 × 168499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
855806421
Product of the distinct prime numbers
The prime factorization of 855806421 is 3 × 1693 × 168499.
Since it has a total of 3 prime factors.
10 , 8 , 48 , 29 , 578 , 74 , 3205 , 9048 , 46572 , 22759 , 927599 , 926902 , 7388453 , 6760374 , 83156441 , 87265751 , 916213484 , 788391497 , 2747704289 , 7413594793
n×2
1711612842
n×3
2567419263
n×4
3423225684
n×5
4279032105
n÷2
427903210.5
n÷3
285268807
n÷3
213951605.25
n÷5
171161284.2
n2
732404630224829241
n3
6.2679658531654E+26
n4
5.3641654237477E+35
n5
4.5906872129495E+44
2 √n
29254.169292598
3 √n
949.42030044241
4 √n
171.03850236891
5 √n
61.161074707284
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
-855806420
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 855806421 can be divided by 8 positive divisors.
The sum of these divisors (counting 855806421) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011000000101001000111010101
3
Ternary
2012122100110201010
4
Quaternary
303000221013111
5
Quinary
3223041301141
6
Senary
220530522433
8
Octal
6300510725
10
Decimal
855806421
12
Duodecimal
1ba736419
16
Hexadecimal
330291d5
20
Vigesimal
d78fg11
36
Base36
e5iwgl
md5
9f67437ddb26aaeb57902096ffb7a829
sha1
03393ddeca1f61b26b9c2f78b9a649b73397dca7
sha256
0df7830f130566cfd485d4981e217fd082682796cfa9a6a6eebb9ef2433369b0
sha512
675d037fb5090a9f4d953981e863b65352a90169af7de424d45e200f5e9767ddd6cc6f63aa03433b4beb59eb73e2252543ac9c2c3ffdf235075e87f78a237b66
ripemd-160
150cafffc86375746c9f2dd62ce000bdeb28cc64
Diameter
1711612842
Circumference
5377190330.2171
Area
2.3009170057695E+18
Volume
2.6255193969675E+27
Surface area
9.2036680230779E+18
Circumference
5377190330.2171
Perimeter
3423225684
Area
732404630224829241
Diagonal
1210293047.3442
Surface area
4394427781348975446
Volume
6.2679658531654E+26
Space diagonal
1482300202.6157
Perimeter
2567419263
Area
3.1714050781203E+17
Altitude
741150101.30784
Surface area
3.1714050781203E+17
Volume
7.386868598365E+25
Height
403431015.78139