987993885 is an odd 9-digits composite number following 987993884
and preceding 987993886 . In scientific notation, it is written as 9.87993885 × 10^8.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 526930064 positive integers (up to 987993885) that are relatively prime to 987993885.
987993885 has 8 divisors, whose sum is 1580790240
The reverse of 987993885 is 588399789
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 66
Digital Root 3
Name
nine hundred eighty-seven million nine hundred ninety-three thousand eight hundred eighty-five
Scientific notation
9.87993885 × 10^8
Engineering notation
9.87993885 × 10^6
Prime Factorization
5 × 3 × 65866259
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
987993885
Product of the distinct prime numbers
The prime factorization of 987993885 is 5 × 3 × 65866259.
Since it has a total of 3 prime factors.
4 , 2 , 68 , 7 , 900 , 735 , 6771 , 3189 , 64757 , 46899 , 685440 , 216512 , 1054129 , 6738802 , 83439168 , 46471321 , 735952644 , 259860070 , 3319249087 , 1680874969
n×2
1975987770
n×3
2963981655
n×4
3951975540
n×5
4939969425
n÷2
493996942.5
n÷3
329331295
n÷3
246998471.25
n÷5
197598777
n2
976131916797393225
n3
9.6441236474915E+26
n4
9.5283351899055E+35
n5
9.413936901857E+44
2 √n
31432.37001882
3 √n
995.98183766335
4 √n
177.29176523127
5 √n
62.943494629543
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
-987993884
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 987993885 can be divided by 8 positive divisors.
The sum of these divisors (counting 987993885) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010111000111001011100011101
3
Ternary
2112212002021211010
4
Quaternary
322320321130131
5
Quinary
4010411301020
6
Senary
242012045433
8
Octal
7270713435
10
Decimal
987993885
12
Duodecimal
236a63879
16
Hexadecimal
3ae3971d
20
Vigesimal
f8ej4e5
36
Base36
gc84yl
md5
92a2fa3f180ff5ec8b39ebf2b6dadaa1
sha1
04a2c33a1f9e6dcc8990ce5e97c90e7a64c8642f
sha256
d73c7c6c1a008a7e674c26de8e3552ec7ffa8b0d606cf3726a2bcca966d33201
sha512
041894b22af8a7bde1c7b0285d41f2ca6c33edc268f9c6e4bd9ea234bb4c1d81eee32f2040d852564d153183151925f5b01d3ed3f6f36f0aa34f6ac2a50f7b0f
ripemd-160
644161d3473e4ac3a18b9fb9cf55dcfb431df650
Diameter
1975987770
Circumference
6207748661.8153
Area
3.0666088587452E+18
Volume
4.0397210668361E+27
Surface area
1.2266435434981E+19
Circumference
6207748661.8153
Perimeter
3951975540
Area
976131916797393225
Diagonal
1397234351.7087
Surface area
5856791500784359350
Volume
9.6441236474915E+26
Space diagonal
1711255606.3874
Perimeter
2963981655
Area
4.2267751869567E+17
Altitude
855627803.19368
Surface area
4.2267751869567E+17
Volume
1.1365708716238E+26
Height
465744783.90289