728021245 is an odd 9-digits composite number following 728021244
and preceding 728021246 . In scientific notation, it is written as 7.28021245 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 499214544 positive integers (up to 728021245) that are relatively prime to 728021245.
728021245 has 8 divisors, whose sum is 998429184
The reverse of 728021245 is 542120827
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
seven hundred twenty-eight million twenty-one thousand two hundred forty-five
Scientific notation
7.28021245 × 10^8
Engineering notation
7.28021245 × 10^6
Prime Factorization
5 × 7 × 20800607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
728021245
Product of the distinct prime numbers
The prime factorization of 728021245 is 5 × 7 × 20800607.
Since it has a total of 3 prime factors.
8 , 9 , 73 , 77 , 327 , 458 , 2806 , 633 , 59928 , 92880 , 85153 , 674600 , 5642402 , 9319956 , 97498694 , 89247871 , 618213871 , 990341786 , 1239604404 , 8770115310
n×2
1456042490
n×3
2184063735
n×4
2912084980
n×5
3640106225
n÷2
364010622.5
n÷3
242673748.33333
n÷3
182005311.25
n÷5
145604249
n2
530014933171350025
n3
3.85862131516E+26
n4
2.8091582938463E+35
n5
2.0451269184881E+44
2 √n
26981.868819635
3 √n
899.59703977271
4 √n
164.2615865613
5 √n
59.214601455496
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
-728021244
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 728021245 can be divided by 8 positive divisors.
The sum of these divisors (counting 728021245) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011011001001011100011111101
3
Ternary
1212201220022101211
4
Quaternary
223121023203331
5
Quinary
2442333134440
6
Senary
200124004421
8
Octal
5331134375
10
Decimal
728021245
12
Duodecimal
183990711
16
Hexadecimal
2b64b8fd
20
Vigesimal
b7a2d25
36
Base36
c1g0sd
md5
30575777d28a613ab3c637f936d0bda1
sha1
8259a8e54d71c1f64ec48ebd189f2ea12ba77d84
sha256
f410f26af10fd5a57bef48af4fafce68e10a38671edf993ab7590eb3a996c7ed
sha512
d1b5a815878ac41045bb27571ad287c033d3e667a1c08cb090860000df950048f0e93d2639ea2038c575a1e26ff2bc27d270c292a98bbb38e831d66359b8d4f7
ripemd-160
6c35d2ec151dc651d94b4d45572f10e5e5eff9df
Diameter
1456042490
Circumference
4574292389.8986
Area
1.665091020344E+18
Volume
1.6162955168922E+27
Surface area
6.660364081376E+18
Circumference
4574292389.8986
Perimeter
2912084980
Area
530014933171350025
Diagonal
1029577518.3747
Surface area
3180089599028100150
Volume
3.85862131516E+26
Space diagonal
1260969785.3295
Perimeter
2184063735
Area
2.2950319825575E+17
Altitude
630484892.66477
Surface area
2.2950319825575E+17
Volume
4.5474288299676E+25
Height
343192506.12492