987393985 is an odd 9-digits composite number following 987393984
and preceding 987393986 . In scientific notation, it is written as 9.87393985 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 779094144 positive integers (up to 987393985) that are relatively prime to 987393985.
987393985 has 8 divisors, whose sum is 1201104360
The reverse of 987393985 is 589393789
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
nine hundred eighty-seven million three hundred ninety-three thousand nine hundred eighty-five
Scientific notation
9.87393985 × 10^8
Engineering notation
9.87393985 × 10^6
Prime Factorization
5 × 73 × 2705189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
987393985
Product of the distinct prime numbers
The prime factorization of 987393985 is 5 × 73 × 2705189.
Since it has a total of 3 prime factors.
10 , 4 , 21 , 72 , 162 , 939 , 8956 , 5642 , 20928 , 32497 , 852904 , 779893 , 3256252 , 299903 , 89237015 , 15220644 , 916183608 , 841644206 , 6064620573 , 7456529601
n×2
1974787970
n×3
2962181955
n×4
3949575940
n×5
4936969925
n÷2
493696992.5
n÷3
329131328.33333
n÷3
246848496.25
n÷5
197478797
n2
974946881614180225
n3
9.6265668660035E+26
n4
9.5052142196921E+35
n5
9.3853913466605E+44
2 √n
31422.825859556
3 √n
995.78021344814
4 √n
177.26484665482
5 √n
62.935849040377
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
-987393984
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 987393985 can be divided by 8 positive divisors.
The sum of these divisors (counting 987393985) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010110110100110111111000001
3
Ternary
2112210221210220121
4
Quaternary
322312212333001
5
Quinary
4010233101420
6
Senary
241551140241
8
Octal
7266467701
10
Decimal
987393985
12
Duodecimal
236814681
16
Hexadecimal
3ada6fc1
20
Vigesimal
f8b44j5
36
Base36
gbva2p
md5
5f2d361d39d0a06595e3bbaeff236065
sha1
2e736d8a4b4a5cf485a2acae2727cf5f470ef70e
sha256
27a7a1c0d65f45bf9acca27c0338436be31c7f73b46136ee711abf02f059ae9b
sha512
2dbdf80b2e2d48ffe641ba94ed4d66d0946b12dff4e8e41ce6399ac48e85f74a45443ba761a9e83fd9f33dfa5150f9cd3a11e57eab8622ae21d7d4a977f9adaa
ripemd-160
a68e659659a8afbce52b0c71eec2885693bb6595
Diameter
1974787970
Circumference
6203979378.9495
Area
3.0628859609194E+18
Volume
4.0323668994037E+27
Surface area
1.2251543843678E+19
Circumference
6203979378.9495
Perimeter
3949575940
Area
974946881614180225
Diagonal
1396385964.9926
Surface area
5849681289685081350
Volume
9.6265668660035E+26
Space diagonal
1710216549.1079
Perimeter
2962181955
Area
4.2216438340915E+17
Altitude
855108274.55395
Surface area
4.2216438340915E+17
Volume
1.1345017850828E+26
Height
465461988.33087