728614891 is an odd 9-digits composite number following 728614890
and preceding 728614892 . In scientific notation, it is written as 7.28614891 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 728247312 positive integers (up to 728614891) that are relatively prime to 728614891.
728614891 has 4 divisors, whose sum is 728982472
The reverse of 728614891 is 198416827
Previous prime number is 1993
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
seven hundred twenty-eight million six hundred fourteen thousand eight hundred ninety-one
Scientific notation
7.28614891 × 10^8
Engineering notation
7.28614891 × 10^6
Prime Factorization
1993 × 365587
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
728614891
Product of the distinct prime numbers
The prime factorization of 728614891 is 1993 × 365587.
Since it has a total of 2 prime factors.
4 , 8 , 84 , 45 , 926 , 828 , 9718 , 3080 , 1681 , 45236 , 355629 , 638304 , 9456611 , 4124038 , 12433694 , 23415962 , 972929999 , 707436093 , 5974433368 , 3548273047
n×2
1457229782
n×3
2185844673
n×4
2914459564
n×5
3643074455
n÷2
364307445.5
n÷3
242871630.33333
n÷3
182153722.75
n÷5
145722978.2
n2
530879659386941881
n3
3.8680682515833E+26
n4
2.818332127508E+35
n5
2.053478755886E+44
2 √n
26992.867409744
3 √n
899.8414910149
4 √n
164.29506203701
5 √n
59.224255308722
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
-728614890
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 728614891 can be divided by 4 positive divisors.
The sum of these divisors (counting 728614891) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011011011011100011111101011
3
Ternary
1212210000110201201
4
Quaternary
223123130133223
5
Quinary
2443011134031
6
Senary
200144425031
8
Octal
5333343753
10
Decimal
728614891
12
Duodecimal
184018177
16
Hexadecimal
2b6dc7eb
20
Vigesimal
b7dgh4b
36
Base36
c1squj
md5
3d6d2e65fedd47faf1baabf916f6155e
sha1
7843da92c0b89f0fd54f79450af6335691334749
sha256
1becac2c5e419f24ee3ac6baa7543f27393d001d93baaca5cc133014b0b1b85f
sha512
b54f3be28c86772bc8afdd7d1a928c32a8e85150805af0d016d854557772aa00d229eba3e5f412e4a88db452f1683d83f970d6f41dbe09f52a01bb5fd95a4141
ripemd-160
bb62c3fd4c3fe171664a373d808a93abc2880f11
Diameter
1457229782
Circumference
4578022377.7235
Area
1.6678076378703E+18
Volume
1.6202526403678E+27
Surface area
6.6712305514811E+18
Circumference
4578022377.7235
Perimeter
2914459564
Area
530879659386941881
Diagonal
1030417060.5992
Surface area
3185277956321651286
Volume
3.8680682515833E+26
Space diagonal
1261998010.3633
Perimeter
2185844673
Area
2.2987763569076E+17
Altitude
630999005.18163
Surface area
2.2987763569076E+17
Volume
4.5585621513116E+25
Height
343472353.53306