987131875 is an odd 9-digits composite number following 987131874
and preceding 987131876 . In scientific notation, it is written as 9.87131875 × 10^8.
The sum of its digits is 49. It has a total of 5 prime factors and 20 positive divisors.
There are 788436000 positive integers (up to 987131875) that are relatively prime to 987131875.
987131875 has 20 divisors, whose sum is 1235504512
The reverse of 987131875 is 578131789
Previous prime number is 1087
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
nine hundred eighty-seven million one hundred thirty-one thousand eight hundred seventy-five
Scientific notation
9.87131875 × 10^8
Engineering notation
9.87131875 × 10^6
Prime Factorization
25 × 5 × 5 × 1087 × 1453
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
197426375
Product of the distinct prime numbers
The prime factorization of 987131875 is 25 × 5 × 5 × 1087 × 1453.
Since it has a total of 5 prime factors.
8 , 1 , 21 , 51 , 520 , 797 , 9975 , 8317 , 332 , 73122 , 654578 , 973730 , 8309190 , 9559617 , 69468915 , 76796772 , 445429668 , 867500247 , 9080134669 , 5081045002
n×2
1974263750
n×3
2961395625
n×4
3948527500
n×5
4935659375
n÷2
493565937.5
n÷3
329043958.33333
n÷3
246782968.75
n÷5
197426375
n2
974429338641015625
n3
9.6189026010772E+26
n4
9.4951253600437E+35
n5
9.37294090002E+44
2 √n
31418.654888458
3 √n
995.69209359116
4 √n
177.25308146393
5 √n
62.932507341415
1 , 5 , 25 , 125 , 625 , 1087 , 1453 , 5435 , 7265 , 27175 , 36325 , 135875 , 181625 , 679375 , 908125 , 1579411 , 7897055 , 39485275 , 197426375 , 987131875
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987131874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987131875 can be divided by 20 positive divisors.
The sum of these divisors (counting 987131875) is 1, the average is 0.05.
Base
System
Value
2
Binary
111010110101100110111111100011
3
Ternary
2112210110111100211
4
Quaternary
322311212333203
5
Quinary
4010201210000
6
Senary
241541354551
8
Octal
7265467743
10
Decimal
987131875
12
Duodecimal
236708a57
16
Hexadecimal
3ad66fe3
20
Vigesimal
f89b9df
36
Base36
gbpntv
md5
ece7ea20d2fc2e75a04a17ac7eb5d629
sha1
d2f2c740746736b1334dcfd889c0c073d0e27c8d
sha256
7e49ec8b88f06b9da9c0588d9427e29e804d82b9c9597011b23e7112f158a20d
sha512
a714c8a9ad0e71643fe2d8847b89e9148c0133cc0c5a04814248fa47465aff5ca93fb7cfa97b1e47474203705b2430fc8e278b55fdb56f998d50b6f7a021b5d3
ripemd-160
22760ba52feb9ca153f5432ac579d878c2465a62
Diameter
1974263750
Circumference
6202332493.2486
Area
3.061260051717E+18
Volume
4.0291564996186E+27
Surface area
1.2245040206868E+19
Circumference
6202332493.2486
Perimeter
3948527500
Area
974429338641015625
Diagonal
1396015285.4758
Surface area
5846576031846093750
Volume
9.6189026010772E+26
Space diagonal
1709762561.2707
Perimeter
2961395625
Area
4.2194028072799E+17
Altitude
854881280.63537
Surface area
4.2194028072799E+17
Volume
1.1335985427991E+26
Height
465338428.49193