628021209 is an odd 9-digits composite number following 628021208
and preceding 628021210 . In scientific notation, it is written as 6.28021209 × 10^8.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 418680804 positive integers (up to 628021209) that are relatively prime to 628021209.
628021209 has 4 divisors, whose sum is 837361616
The reverse of 628021209 is 902120826
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
six hundred twenty-eight million twenty-one thousand two hundred nine
Scientific notation
6.28021209 × 10^8
Engineering notation
6.28021209 × 10^6
Prime Factorization
3 × 209340403
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
628021209
Product of the distinct prime numbers
The prime factorization of 628021209 is 3 × 209340403.
Since it has a total of 2 prime factors.
7 , 9 , 10 , 31 , 11 , 31 , 4012 , 5211 , 39359 , 58388 , 607632 , 431334 , 7320000 , 6711730 , 60734852 , 65397604 , 725557269 , 600553856 , 395219065 , 5157660077
n×2
1256042418
n×3
1884063627
n×4
2512084836
n×5
3140106045
n÷2
314010604.5
n÷3
209340403
n÷3
157005302.25
n÷5
125604241.8
n2
394410638953821681
n3
2.4769824631824E+26
n4
1.5555975211996E+35
n5
9.7694823598119E+43
2 √n
25060.351334329
3 √n
856.36341137955
4 √n
158.30461564442
5 √n
57.490338018959
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
-628021208
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 628021209 can be divided by 4 positive divisors.
The sum of these divisors (counting 628021209) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011011101101011111011001
3
Ternary
1121202201210010210
4
Quaternary
211123231133121
5
Quinary
2241233134314
6
Senary
142152401333
8
Octal
4533553731
10
Decimal
628021209
12
Duodecimal
1563a6249
16
Hexadecimal
256ed7d9
20
Vigesimal
9g52d09
36
Base36
adwo9l
md5
f0348b6084a10b7e25e0de4fd389ab34
sha1
ed59bc96e9622f770f8393cc3691ab2e24a5e017
sha256
d8fea6a64865e4d7d7e9b40ec7d3944df10ab19e9c438607d2155bc96db035f4
sha512
782b206a6775d4ed5d68f87a30b6f46bc707fcc05b3cad00da5186bac20b1c361796e53df68e7cea6d89f8ae5ebe272a309e318e33106e93ef06e3aba637811e
ripemd-160
7caa369d37501a2e79c5f8e2506c281da9e87bbb
Diameter
1256042418
Circumference
3945973632.986
Area
1.239077565835E+18
Volume
1.0375559879206E+27
Surface area
4.9563102633399E+18
Circumference
3945973632.986
Perimeter
2512084836
Area
394410638953821681
Diagonal
888156111.22575
Surface area
2366463833722930086
Volume
2.4769824631824E+26
Space diagonal
1087764642.2188
Perimeter
1884063627
Area
1.7078481642843E+17
Altitude
543882321.10942
Surface area
1.7078481642843E+17
Volume
2.9191518276607E+25
Height
296052037.07525