678394421 is an odd 9-digits composite number following 678394420
and preceding 678394422 . In scientific notation, it is written as 6.78394421 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 643507200 positive integers (up to 678394421) that are relatively prime to 678394421.
678394421 has 8 divisors, whose sum is 682646424
The reverse of 678394421 is 124493876
Previous prime number is 1597
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred seventy-eight million three hundred ninety-four thousand four hundred twenty-one
Scientific notation
6.78394421 × 10^8
Engineering notation
6.78394421 × 10^6
Prime Factorization
2201 × 1597 × 193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
678394421
Product of the distinct prime numbers
The prime factorization of 678394421 is 2201 × 1597 × 193.
Since it has a total of 3 prime factors.
7 , 9 , 73 , 53 , 541 , 882 , 1080 , 892 , 86393 , 28398 , 739021 , 280153 , 6419125 , 4266821 , 59287359 , 45398634 , 184586246 , 99957739 , 8158320631 , 9977644462
n×2
1356788842
n×3
2035183263
n×4
2713577684
n×5
3391972105
n÷2
339197210.5
n÷3
226131473.66667
n÷3
169598605.25
n÷5
135678884.2
n2
460218990443925241
n3
3.1220999555541E+26
n4
2.1180151916523E+35
n5
1.4368496896101E+44
2 √n
26046.005855025
3 √n
878.67328533129
4 √n
161.38775001537
5 √n
58.384350540642
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
-678394420
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 678394421 can be divided by 8 positive divisors.
The sum of these divisors (counting 678394421) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000011011110111101000110101
3
Ternary
1202021112000012022
4
Quaternary
220123313220311
5
Quinary
2342132110141
6
Senary
151152202525
8
Octal
5033675065
10
Decimal
678394421
12
Duodecimal
16b239445
16
Hexadecimal
286f7a35
20
Vigesimal
abjj611
36
Base36
b7wchh
md5
7aca73e5bdb2786da008d3da905de279
sha1
3500edb39a6a4f9f22fabd41f31eeb3438d53599
sha256
96750d12232e9232c69de2a4a16be9b9bbd3780db0f0e8b745b4ea6b5a3bb5d7
sha512
ed01c116a720e252a54b4c8966554bb380df3764bdfc2d6e8017b056d881836001876c91409219c4bd7bd82daf3e4cf62e98c71d6da4346abf8931984ec55245
ripemd-160
101e6d72edd0170845c596d8203fdd39ea321ed3
Diameter
1356788842
Circumference
4262477858.4998
Area
1.4458205994211E+18
Volume
1.3077821712189E+27
Surface area
5.7832823976846E+18
Circumference
4262477858.4998
Perimeter
2713577684
Area
460218990443925241
Diagonal
959394590.81644
Surface area
2761313942663551446
Volume
3.1220999555541E+26
Space diagonal
1175013604.7433
Perimeter
2035183263
Area
1.9928066851423E+17
Altitude
587506802.37164
Surface area
1.9928066851423E+17
Volume
3.6794300835242E+25
Height
319798196.93881