987993894 is an even 9-digits composite number following 987993893
and preceding 987993895 . In scientific notation, it is written as 9.87993894 × 10^8.
The sum of its digits is 66. It has a total of 4 prime factors and 16 positive divisors.
There are 329050080 positive integers (up to 987993894) that are relatively prime to 987993894.
987993894 has 16 divisors, whose sum is 1977675120
The reverse of 987993894 is 498399789
Previous prime number is 1181
Is Prime? no
Number parity even
Number length 9
Sum of Digits 66
Digital Root 3
Name
nine hundred eighty-seven million nine hundred ninety-three thousand eight hundred ninety-four
Scientific notation
9.87993894 × 10^8
Engineering notation
9.87993894 × 10^6
Prime Factorization
2 × 3 × 1181 × 139429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
987993894
Product of the distinct prime numbers
The prime factorization of 987993894 is 2 × 3 × 1181 × 139429.
Since it has a total of 4 prime factors.
6 , 7 , 13 , 94 , 10 , 101 , 1190 , 4254 , 54897 , 95122 , 895465 , 780264 , 9234164 , 7282283 , 96125610 , 84381470 , 876964921 , 840456919 , 7436512514 , 7534371807
n×2
1975987788
n×3
2963981682
n×4
3951975576
n×5
4939969470
n÷2
493996947
n÷3
329331298
n÷3
246998473.5
n÷5
197598778.8
n2
976131934581283236
n3
9.6441239110472E+26
n4
9.528335537094E+35
n5
9.4139373306321E+44
2 √n
31432.370161984
3 √n
995.98184068761
4 √n
177.29176563502
5 √n
62.943494744219
1 , 2 , 3 , 6 , 1181 , 2362 , 3543 , 7086 , 139429 , 278858 , 418287 , 836574 , 164665649 , 329331298 , 493996947 , 987993894
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
-987993893
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 987993894 can be divided by 16 positive divisors.
The sum of these divisors (counting 987993894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010111000111001011100100110
3
Ternary
2112212002021211110
4
Quaternary
322320321130212
5
Quinary
4010411301034
6
Senary
242012045450
8
Octal
7270713446
10
Decimal
987993894
12
Duodecimal
236a63886
16
Hexadecimal
3ae39726
20
Vigesimal
f8ej4ee
36
Base36
gc84yu
md5
bd9993e3dfb0ebd1b66a5b176525badd
sha1
f76bec5c1ef9c57cef517bea27c31a372fdef0c8
sha256
b36a23968b262d3cf1bd1e30bfc9f43e84bd4b45de3948faf892f0189d709dd6
sha512
1ad591b3ee09de27b1c5cf5c7358e77b19a238099ba80d7069f1ebd619ab284310f73f3e0e1b464aec903a05cf7cf3c0035e900787a37e30fc34d84be53c37e4
ripemd-160
ecccc556ed70821306cc85f37044c3d7d545469a
Diameter
1975987788
Circumference
6207748718.3639
Area
3.066608914615E+18
Volume
4.0397211772341E+27
Surface area
1.226643565846E+19
Circumference
6207748718.3639
Perimeter
3951975576
Area
976131934581283236
Diagonal
1397234364.4366
Surface area
5856791607487699416
Volume
9.6441239110472E+26
Space diagonal
1711255621.9758
Perimeter
2963981682
Area
4.2267752639632E+17
Altitude
855627810.98791
Surface area
4.2267752639632E+17
Volume
1.1365709026841E+26
Height
465744788.14554