987408728 is an even 9-digits composite number following 987408727
and preceding 987408729 . In scientific notation, it is written as 9.87408728 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 8 positive divisors.
There are 493704360 positive integers (up to 987408728) that are relatively prime to 987408728.
987408728 has 8 divisors, whose sum is 1851391380
The reverse of 987408728 is 827804789
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
nine hundred eighty-seven million four hundred eight thousand seven hundred twenty-eight
Scientific notation
9.87408728 × 10^8
Engineering notation
9.87408728 × 10^6
Prime Factorization
2 × 2 × 2 × 123426091
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
246852182
Product of the distinct prime numbers
The prime factorization of 987408728 is 2 × 2 × 2 × 123426091.
Since it has a total of 4 prime factors.
8 , 9 , 16 , 33 , 222 , 722 , 167 , 5586 , 3658 , 62723 , 380391 , 740658 , 7205556 , 647777 , 34495635 , 7517681 , 388774421 , 14709625 , 2252504547 , 6357028602
n×2
1974817456
n×3
2962226184
n×4
3949634912
n×5
4937043640
n÷2
493704364
n÷3
329136242.66667
n÷3
246852182
n÷5
197481745.6
n2
974975996130577984
n3
9.6269980816983E+26
n4
9.5057819303081E+35
n5
9.3860920444509E+44
2 √n
31423.060449294
3 √n
995.78516949569
4 √n
177.26550834636
5 √n
62.936036981096
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
-987408727
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 987408728 can be divided by 8 positive divisors.
The sum of these divisors (counting 987408728) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010110110101010100101011000
3
Ternary
2112210222120010122
4
Quaternary
322312222211120
5
Quinary
4010234034403
6
Senary
241551332412
8
Octal
7266524530
10
Decimal
987408728
12
Duodecimal
236821108
16
Hexadecimal
3adaa958
20
Vigesimal
f8b61g8
36
Base36
gbvlg8
md5
e57fd1300ce7a831536d5ac9594bba07
sha1
3c0b11f8860f19ed7c27eebb4ed0b202d3a9ec5c
sha256
15c1374490ac5d5ca208446f34bf23ac62c3b78fdb4a4308f2593e3107df5f12
sha512
720fa5f4067bc08e28b0d7cee9c7849eb988fca16bb92027eac38c971a0f04386f660b2c9af1a1576b55aceedafdf5a15965d4c8530f6567592d6d33dd08ebf8
ripemd-160
d4fe123c514dc7d92fe797f5478fa42adf352ebf
Diameter
1974817456
Circumference
6204072011.9505
Area
3.0629774268702E+18
Volume
4.0325475266115E+27
Surface area
1.2251909707481E+19
Circumference
6204072011.9505
Perimeter
3949634912
Area
974975996130577984
Diagonal
1396406814.7432
Surface area
5849855976783467904
Volume
9.6269980816983E+26
Space diagonal
1710242084.733
Perimeter
2962226184
Area
4.2217699036456E+17
Altitude
855121042.36648
Surface area
4.2217699036456E+17
Volume
1.1345526043398E+26
Height
465468938.24772