728620121 is an odd 9-digits composite number following 728620120
and preceding 728620122 . In scientific notation, it is written as 7.28620121 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 723417552 positive integers (up to 728620121) that are relatively prime to 728620121.
728620121 has 8 divisors, whose sum is 733834560
The reverse of 728620121 is 121026827
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
seven hundred twenty-eight million six hundred twenty thousand one hundred twenty-one
Scientific notation
7.28620121 × 10^8
Engineering notation
7.28620121 × 10^6
Prime Factorization
859 × 173 × 4903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
728620121
Product of the distinct prime numbers
The prime factorization of 728620121 is 859 × 173 × 4903.
Since it has a total of 3 prime factors.
9 , 6 , 39 , 5 , 417 , 675 , 4096 , 426 , 17863 , 94653 , 920522 , 77997 , 707394 , 3712677 , 71449514 , 60504513 , 225715415 , 123258166 , 503382221 , 4846790171
n×2
1457240242
n×3
2185860363
n×4
2914480484
n×5
3643100605
n÷2
364310060.5
n÷3
242873373.66667
n÷3
182155030.25
n÷5
145724024.2
n2
530887280726054641
n3
3.8681515471998E+26
n4
2.818413048367E+35
n5
2.0535524563292E+44
2 √n
26992.964287014
3 √n
899.84364403145
4 √n
164.29535686383
5 √n
59.224340330856
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
-728620120
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 728620121 can be divided by 8 positive divisors.
The sum of these divisors (counting 728620121) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011011011011101110001011001
3
Ternary
1212210000201220102
4
Quaternary
223123131301121
5
Quinary
2443011320441
6
Senary
200144505145
8
Octal
5333356131
10
Decimal
728620121
12
Duodecimal
18401b1b5
16
Hexadecimal
2b6ddc59
20
Vigesimal
b7dha61
36
Base36
c1suvt
md5
05a71814a0c3b2f10150713eb98848ab
sha1
d1c687af1567f547250e5f34633115b9ad15f505
sha256
6ce033d10386910da2f8f8779412afb893b4f83a45b194c8e72a9addeef414a3
sha512
8f43b68016608b061fc650b0fbb750e689cc5f96598e638b33ceac12287a5b1fd4fe330d7dcf96f814113133f70882e58dfe3f8d8cefd329852e95206dba9225
ripemd-160
8878a7dfe32ff4ec86f6f7b587a59752beaf46e3
Diameter
1457240242
Circumference
4578055238.7826
Area
1.6678315810132E+18
Volume
1.620287531154E+27
Surface area
6.6713263240529E+18
Circumference
4578055238.7826
Perimeter
2914480484
Area
530887280726054641
Diagonal
1030424456.9361
Surface area
3185323684356327846
Volume
3.8681515471998E+26
Space diagonal
1262007068.989
Perimeter
2185860363
Area
2.298809358274E+17
Altitude
631003534.49449
Surface area
2.298809358274E+17
Volume
4.558660316137E+25
Height
343474818.97871