628432821 is an odd 9-digits composite number following 628432820
and preceding 628432822 . In scientific notation, it is written as 6.28432821 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors.
There are 418955208 positive integers (up to 628432821) that are relatively prime to 628432821.
628432821 has 6 divisors, whose sum is 907736310
The reverse of 628432821 is 128234826
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
six hundred twenty-eight million four hundred thirty-two thousand eight hundred twenty-one
Scientific notation
6.28432821 × 10^8
Engineering notation
6.28432821 × 10^6
Prime Factorization
3 × 3 × 69825869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209477607
Product of the distinct prime numbers
The prime factorization of 628432821 is 3 × 3 × 69825869.
Since it has a total of 3 prime factors.
7 , 7 , 91 , 61 , 687 , 934 , 1936 , 692 , 44957 , 64612 , 902256 , 601200 , 3494232 , 5609347 , 21270415 , 14340695 , 793715027 , 947637499 , 3755246634 , 4649682260
n×2
1256865642
n×3
1885298463
n×4
2513731284
n×5
3142164105
n÷2
314216410.5
n÷3
209477607
n÷3
157108205.25
n÷5
125686564.2
n2
394927810510018041
n3
2.4818559805016E+26
n4
1.5596797551424E+35
n5
9.8015394838071E+43
2 √n
25068.562403935
3 √n
856.55046051684
4 √n
158.33054791775
5 √n
57.497872003903
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-628432820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 628432821 can be divided by 6 positive divisors.
The sum of these divisors (counting 628432821) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100101011101010001111110110101
3
Ternary
1121210111200202200
4
Quaternary
211131101332311
5
Quinary
2241334322241
6
Senary
142205255113
8
Octal
4535217665
10
Decimal
628432821
12
Duodecimal
156564499
16
Hexadecimal
25751fb5
20
Vigesimal
9g7e211
36
Base36
ae5hv9
md5
8e4f1c44b269841d2d6f5ad6769724d6
sha1
2d840bbeceb54ff616c78b9b870acb6f674d68be
sha256
82016da81cdec1d3662ade30b8341a7a1876c2fde5b6c4c6f180e8ca4fbf3640
sha512
8dba13f9d9fe7bac8fcfbb8010825788af2d23a7293e1eb9a5f0e0b9a30c795e8922cfb5c16e8be0373d8cfa47dc342abbd31c74380c2999dc5b9e2c999664e6
ripemd-160
645005c8c3b91274f5c0147eaeb74d7f8fe2cf15
Diameter
1256865642
Circumference
3948559867.4566
Area
1.2407023081966E+18
Volume
1.0395974020816E+27
Surface area
4.9628092327863E+18
Circumference
3948559867.4566
Perimeter
2513731284
Area
394927810510018041
Diagonal
888738218.49858
Surface area
2369566863060108246
Volume
2.4818559805016E+26
Space diagonal
1088477575.1158
Perimeter
1885298463
Area
1.7100875828132E+17
Altitude
544238787.55792
Surface area
1.7100875828132E+17
Volume
2.9248953229018E+25
Height
296246072.83286