678442721 is an odd 9-digits composite number following 678442720
and preceding 678442722 . In scientific notation, it is written as 6.78442721 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 616766100 positive integers (up to 678442721) that are relatively prime to 678442721.
678442721 has 4 divisors, whose sum is 740119344
The reverse of 678442721 is 127244876
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred seventy-eight million four hundred forty-two thousand seven hundred twenty-one
Scientific notation
6.78442721 × 10^8
Engineering notation
6.78442721 × 10^6
Prime Factorization
11 × 61676611
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
678442721
Product of the distinct prime numbers
The prime factorization of 678442721 is 11 × 61676611.
Since it has a total of 2 prime factors.
9 , 6 , 6 , 79 , 995 , 450 , 2674 , 9692 , 24790 , 84021 , 826428 , 350173 , 5942063 , 5924114 , 22698811 , 81560457 , 31682880 , 970601312 , 9013013870 , 9928227083
n×2
1356885442
n×3
2035328163
n×4
2713770884
n×5
3392213605
n÷2
339221360.5
n÷3
226147573.66667
n÷3
169610680.25
n÷5
135688544.2
n2
460284525677883841
n3
3.122766860351E+26
n4
2.1186184457851E+35
n5
1.4373612631193E+44
2 √n
26046.933044027
3 √n
878.69413795586
4 √n
161.39062254055
5 √n
58.385181881154
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
-678442720
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 678442721 can be divided by 4 positive divisors.
The sum of these divisors (counting 678442721) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000011100000011011011100001
3
Ternary
1202021121110110012
4
Quaternary
220130003123201
5
Quinary
2342140131341
6
Senary
151153214305
8
Octal
5034033341
10
Decimal
678442721
12
Duodecimal
16b261395
16
Hexadecimal
287036e1
20
Vigesimal
ac056g1
36
Base36
b7xdr5
md5
f79ae0baf8e4173ebcbf664e8b2fe3ca
sha1
48f73fa208b7923f826e6d9a24d372121214d0ce
sha256
2517023d5f8d6e07d7a25cac6b1539eb89fac45ca1f8a5bced031d5382e47cf7
sha512
a8b049abdc26782e0ebfe401e3643ed098f61359dbb4d1f05e3bb1746201c315f4b315bd448855a051dda4248b19a7175ec93a4666210ff48b26dd5705ec4009
ripemd-160
18295695238a6897b4b015e79d634bab68c1d695
Diameter
1356885442
Circumference
4262781336.3501
Area
1.4460264844307E+18
Volume
1.308061523647E+27
Surface area
5.7841059377228E+18
Circumference
4262781336.3501
Perimeter
2713770884
Area
460284525677883841
Diagonal
959462897.33151
Surface area
2761707154067303046
Volume
3.122766860351E+26
Space diagonal
1175097262.7973
Perimeter
2035328163
Area
1.9930904610296E+17
Altitude
587548631.39864
Surface area
1.9930904610296E+17
Volume
3.6802160383647E+25
Height
319820965.77717