987993831 is an odd 9-digits composite number following 987993830
and preceding 987993832 . In scientific notation, it is written as 9.87993831 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 595319520 positive integers (up to 987993831) that are relatively prime to 987993831.
987993831 has 16 divisors, whose sum is 1445397120
The reverse of 987993831 is 138399789
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
nine hundred eighty-seven million nine hundred ninety-three thousand eight hundred thirty-one
Scientific notation
9.87993831 × 10^8
Engineering notation
9.87993831 × 10^6
Prime Factorization
11 × 3 × 173 × 173059
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
987993831
Product of the distinct prime numbers
The prime factorization of 987993831 is 11 × 3 × 173 × 173059.
Since it has a total of 4 prime factors.
7 , 9 , 44 , 16 , 77 , 937 , 4882 , 2717 , 13953 , 93916 , 481250 , 741013 , 3970359 , 8748564 , 23685110 , 76126463 , 212245717 , 832004489 , 4091220768 , 6063984074
n×2
1975987662
n×3
2963981493
n×4
3951975324
n×5
4939969155
n÷2
493996915.5
n÷3
329331277
n÷3
246998457.75
n÷5
197598766.2
n2
976131810094056561
n3
9.6441220661579E+26
n4
9.528333106775E+35
n5
9.4139343292068E+44
2 √n
31432.369159833
3 √n
995.98181951782
4 √n
177.29176280875
5 √n
62.943493941493
1 , 3 , 11 , 33 , 173 , 519 , 1903 , 5709 , 173059 , 519177 , 1903649 , 5710947 , 29939207 , 89817621 , 329331277 , 987993831
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987993830
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987993831 can be divided by 16 positive divisors.
The sum of these divisors (counting 987993831) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010111000111001011011100111
3
Ternary
2112212002021202010
4
Quaternary
322320321123213
5
Quinary
4010411300311
6
Senary
242012045303
8
Octal
7270713347
10
Decimal
987993831
12
Duodecimal
236a63833
16
Hexadecimal
3ae396e7
20
Vigesimal
f8ej4bb
36
Base36
gc84x3
md5
53772274937e38dfe2441286e893bb11
sha1
76957398472d08f8f797adeca07cc37dd0e495a3
sha256
2c0591aac50b67477e4134a98bf9a380261600ab5668b3ed0819acdc5fa0fd88
sha512
7ea4a80198c9d1fea88a94a3e16488dc122bc0d76e65e07159075f673a78593c1627554122069a91a1c1243ca3059d447744fd4078881924a91352bd74dbd5fa
ripemd-160
132d60931fd2f36400ace0e8fe1f678ec52f687e
Diameter
1975987662
Circumference
6207748322.5233
Area
3.0666085235268E+18
Volume
4.0397204044487E+27
Surface area
1.2266434094107E+19
Circumference
6207748322.5233
Perimeter
3951975324
Area
976131810094056561
Diagonal
1397234275.3412
Surface area
5856790860564339366
Volume
9.6441220661579E+26
Space diagonal
1711255512.8566
Perimeter
2963981493
Area
4.2267747249177E+17
Altitude
855627756.42831
Surface area
4.2267747249177E+17
Volume
1.1365706852618E+26
Height
465744758.44705