987993838 is an even 9-digits composite number following 987993837
and preceding 987993839 . In scientific notation, it is written as 9.87993838 × 10^8.
The sum of its digits is 64. It has a total of 4 prime factors and 16 positive divisors.
There are 454219776 positive integers (up to 987993838) that are relatively prime to 987993838.
987993838 has 16 divisors, whose sum is 1602210960
The reverse of 987993838 is 838399789
Previous prime number is 257
Is Prime? no Number parity even Number length 9 Sum of Digits 64 Digital Root 1
Name
nine hundred eighty-seven million nine hundred ninety-three thousand eight hundred thirty-eight
Scientific notation
9.87993838 × 10^8
Engineering notation
9.87993838 × 10^6
Prime Factorization
2 × 13 × 257 × 147859
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
987993838 Product of the distinct prime numbers
The prime factorization of 987993838 is 2 × 13 × 257 × 147859.
Since it has a total of 4 prime factors.
5 , 5 , 87 , 83 , 201 , 30 , 4927 , 9776 , 47298 , 40905 , 388479 , 488777 , 4038659 , 8615897 , 30307167 , 74608300 , 600943344 , 757221257 , 2079157867 , 8173636087
n×2
1975987676
n×3
2963981514
n×4
3951975352
n×5
4939969190
n÷2
493996919
n÷3
329331279.33333
n÷3
246998459.5
n÷5
197598767.6
n2
976131823925970244
n3
9.6441222711456E+26
n4
9.5283333768104E+35
n5
9.4139346626984E+44
2 √n31432.369271183
3 √n995.98182187002
4 √n177.29176312278
5 √n62.943494030685
1 , 2 , 13 , 26 , 257 , 514 , 3341 , 6682 , 147859 , 295718 , 1922167 , 3844334 , 37999763 , 75999526 , 493996919 , 987993838
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
-987993837 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 987993838 can be divided by 16 positive divisors.
The sum of these divisors (counting 987993838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010111000111001011011101110
3
Ternary
2112212002021202101
4
Quaternary
322320321123232
5
Quinary
4010411300323
6
Senary
242012045314
8
Octal
7270713356
10
Decimal
987993838
12
Duodecimal
236a6383a
16
Hexadecimal
3ae396ee
20
Vigesimal
f8ej4bi
36
Base36
gc84xa
md5
0e9b0e1620d7cb22a598009e1a9e02c4
sha1
2ee9d0ac8d2b7ecb3a8b5d65cf94c97e4731ba46
sha256
6ce31fba64936a472146cfe641d6f2d4aaff5d3293bcef2a4e8da65ca521b5ea
sha512
c686be6eae2a445f333e1cc9b19d1523c165921c4180823a513c70961bacfc8fadf7f91caa56d8cd31683ab66176e01e8b25a15b845fd239942a2f8baf48b619
ripemd-160
ea071410bd11d15c9a13df18176578a96f42d2f1
Diameter
1975987676
Circumference
6207748366.5056
Area
3.066608566981E+18
Volume
4.0397204903137E+27
Surface area
1.2266434267924E+19
Circumference
6207748366.5056
Perimeter
3951975352
Area
976131823925970244
Diagonal
1397234285.2406
Surface area
5856790943555821464
Volume
9.6441222711456E+26
Space diagonal
1711255524.981
Perimeter
2963981514
Area
4.2267747848116E+17
Altitude
855627762.49049
Surface area
4.2267747848116E+17
Volume
1.1365707094199E+26
Height
465744761.74688