987993887 is an odd 9-digits composite number following 987993886
and preceding 987993888 . In scientific notation, it is written as 9.87993887 × 10^8.
The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors.
There are 987632256 positive integers (up to 987993887) that are relatively prime to 987993887.
987993887 has 4 divisors, whose sum is 988355520
The reverse of 987993887 is 788399789
Previous prime number is 2753
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 68
Digital Root 5
Name
nine hundred eighty-seven million nine hundred ninety-three thousand eight hundred eighty-seven
Scientific notation
9.87993887 × 10^8
Engineering notation
9.87993887 × 10^6
Prime Factorization
2753 × 358879
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
987993887
Product of the distinct prime numbers
The prime factorization of 987993887 is 2753 × 358879.
Since it has a total of 2 prime factors.
6 , 3 , 32 , 29 , 698 , 78 , 1052 , 532 , 86608 , 18296 , 135350 , 213316 , 5269790 , 5736064 , 30307551 , 32730538 , 836339409 , 339730220 , 6829491417 , 2267881673
n×2
1975987774
n×3
2963981661
n×4
3951975548
n×5
4939969435
n÷2
493996943.5
n÷3
329331295.66667
n÷3
246998471.75
n÷5
197598777.4
n2
976131920749368769
n3
9.6441237060594E+26
n4
9.5283352670585E+35
n5
9.4139369971403E+44
2 √n
31432.370050634
3 √n
995.98183833541
4 √n
177.29176532099
5 √n
62.943494655027
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987993886
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987993887 can be divided by 4 positive divisors.
The sum of these divisors (counting 987993887) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010111000111001011100011111
3
Ternary
2112212002021211012
4
Quaternary
322320321130133
5
Quinary
4010411301022
6
Senary
242012045435
8
Octal
7270713437
10
Decimal
987993887
12
Duodecimal
236a6387b
16
Hexadecimal
3ae3971f
20
Vigesimal
f8ej4e7
36
Base36
gc84yn
md5
d64c08ba94b629196caadacc096ac0de
sha1
b1436fd5bc8fa00755f78ba57bd7da16639889b3
sha256
15bc9ca4caf12d042aee148bc047a75d5fc67fb4efa97b5dd5876a8fae571488
sha512
5f3001b21045aa78d9c4d451339627090b8a1983a3c30d34b62cf9f217da6e32c8248d1d460fdbc6d2a94d974751b20bf30a91f6ef05e8601b23e31caf425c72
ripemd-160
328d808c81e4d4d4cdc9e91896a2f014a5ca2ae4
Diameter
1975987774
Circumference
6207748674.3816
Area
3.0666088711607E+18
Volume
4.039721091369E+27
Surface area
1.2266435484643E+19
Circumference
6207748674.3816
Perimeter
3951975548
Area
976131920749368769
Diagonal
1397234354.5371
Surface area
5856791524496212614
Volume
9.6441237060594E+26
Space diagonal
1711255609.8515
Perimeter
2963981661
Area
4.2267752040693E+17
Altitude
855627804.92573
Surface area
4.2267752040693E+17
Volume
1.1365708785261E+26
Height
465744784.8457