987990505 is an odd 9-digits composite number following 987990504
and preceding 987990506 . In scientific notation, it is written as 9.87990505 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 790044288 positive integers (up to 987990505) that are relatively prime to 987990505.
987990505 has 8 divisors, whose sum is 1186110792
The reverse of 987990505 is 505099789
Previous prime number is 2333
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
nine hundred eighty-seven million nine hundred ninety thousand five hundred five
Scientific notation
9.87990505 × 10^8
Engineering notation
9.87990505 × 10^6
Prime Factorization
5 × 2333 × 84697
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
987990505
Product of the distinct prime numbers
The prime factorization of 987990505 is 5 × 2333 × 84697.
Since it has a total of 3 prime factors.
7 , 9 , 42 , 32 , 280 , 762 , 1517 , 9406 , 95876 , 83351 , 517992 , 2627 , 4253442 , 2203550 , 56948237 , 71784335 , 885616753 , 667951512 , 7386349003 , 4313862870
n×2
1975981010
n×3
2963971515
n×4
3951962020
n×5
4939952525
n÷2
493995252.5
n÷3
329330168.33333
n÷3
246997626.25
n÷5
197598101
n2
976125237970155025
n3
9.6440246680538E+26
n4
9.5282048020229E+35
n5
9.413775874094E+44
2 √n
31432.316252545
3 √n
995.98070188627
4 √n
177.29161359902
5 √n
62.943451562616
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
-987990504
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 987990505 can be divided by 8 positive divisors.
The sum of these divisors (counting 987990505) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010111000111000100111101001
3
Ternary
2112212002010011221
4
Quaternary
322320320213221
5
Quinary
4010411144010
6
Senary
242012022041
8
Octal
7270704751
10
Decimal
987990505
12
Duodecimal
236a61921
16
Hexadecimal
3ae389e9
20
Vigesimal
f8eig55
36
Base36
gc82cp
md5
61a067e96faa0094d1e49a06197032d1
sha1
737a4d35fb637839fb29fb6a41e9938cf5920ec5
sha256
7b29aab94ca58182aa5d4baf58f001441b4a257bbe8ea3d3eaa78a36042a427b
sha512
47c52e76f8e16f5045a8ab1e123b7aa454627e91935cf27478eb3c26c7ceeca3502f4b4daf6ff006687621c4e9b5671324633eaf262b3f2a7493431a6a7fb8b8
ripemd-160
3ca6d0c0cc454d58293b7baa67c7b9626e6d87cf
Diameter
1975981010
Circumference
6207727424.6489
Area
3.0665878765906E+18
Volume
4.0396796064262E+27
Surface area
1.2266351506363E+19
Circumference
6207727424.6489
Perimeter
3951962020
Area
976125237970155025
Diagonal
1397229571.6668
Surface area
5856751427820930150
Volume
9.6440246680538E+26
Space diagonal
1711249752.0556
Perimeter
2963971515
Area
4.2267462667864E+17
Altitude
855624876.02782
Surface area
4.2267462667864E+17
Volume
1.1365592067852E+26
Height
465743190.55561