678121421 is an odd 9-digits composite number following 678121420
and preceding 678121422 . In scientific notation, it is written as 6.78121421 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 674201472 positive integers (up to 678121421) that are relatively prime to 678121421.
678121421 has 4 divisors, whose sum is 682041372
The reverse of 678121421 is 124121876
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
six hundred seventy-eight million one hundred twenty-one thousand four hundred twenty-one
Scientific notation
6.78121421 × 10^8
Engineering notation
6.78121421 × 10^6
Prime Factorization
173 × 3919777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
678121421
Product of the distinct prime numbers
The prime factorization of 678121421 is 173 × 3919777.
Since it has a total of 2 prime factors.
4 , 9 , 24 , 17 , 925 , 957 , 9820 , 3240 , 94579 , 53870 , 864393 , 235822 , 6578504 , 1468054 , 90236757 , 60199940 , 131600250 , 186842821 , 1284019747 , 5314168188
n×2
1356242842
n×3
2034364263
n×4
2712485684
n×5
3390607105
n÷2
339060710.5
n÷3
226040473.66667
n÷3
169530355.25
n÷5
135624284.2
n2
459848661619059241
n3
3.1183322786206E+26
n4
2.1146079159284E+35
n5
1.4339609248072E+44
2 √n
26040.76460091
3 √n
878.55540405951
4 √n
161.37151111925
5 √n
58.379650769098
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
-678121420
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 678121421 can be divided by 4 positive divisors.
The sum of these divisors (counting 678121421) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000011010110100111111001101
3
Ternary
1202021000010201012
4
Quaternary
220122310333031
5
Quinary
2342044341141
6
Senary
151142255005
8
Octal
5032647715
10
Decimal
678121421
12
Duodecimal
16b127465
16
Hexadecimal
286b4fcd
20
Vigesimal
abi53b1
36
Base36
b7qhu5
md5
751a8dccff7b4ea20729ab82a806d57e
sha1
dd507950d9b6d4fc3a1c21e1b91633130a301ad0
sha256
acdec3d6dc20adb53d1c3836834f1690eb54bca6cedeea9ad58ea094fe4ce587
sha512
7008e4e45f17ff4f71a32a05ce307c22d53b1b969266767a089d66d267c4b48b0170e826956b139b4d99ec9fadaebe6554fc1e169962c0eb5ce4d8287851bbdf
ripemd-160
a668054c91a87e86111f5ce7929290bfd3cc83a9
Diameter
1356242842
Circumference
4260762548.9109
Area
1.4446571771055E+18
Volume
1.3062039703955E+27
Surface area
5.7786287084221E+18
Circumference
4260762548.9109
Perimeter
2712485684
Area
459848661619059241
Diagonal
959008510.51392
Surface area
2759091969714355446
Volume
3.1183322786206E+26
Space diagonal
1174540754.8728
Perimeter
2034364263
Area
1.9912031142919E+17
Altitude
587270377.4364
Surface area
1.9912031142919E+17
Volume
3.6749898336759E+25
Height
319669503.50464