208055987 is an odd 9-digits composite number following 208055986
and preceding 208055988 . In scientific notation, it is written as 2.08055987 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 208001040 positive integers (up to 208055987) that are relatively prime to 208055987.
208055987 has 4 divisors, whose sum is 208110936
The reverse of 208055987 is 789550802
Previous prime number is 4091
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred eight million fifty-five thousand nine hundred eighty-seven
Scientific notation
2.08055987 × 10^8
Engineering notation
2.08055987 × 10^6
Prime Factorization
4091 × 50857
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
208055987
Product of the distinct prime numbers
The prime factorization of 208055987 is 4091 × 50857.
Since it has a total of 2 prime factors.
8 , 7 , 64 , 43 , 393 , 973 , 4245 , 413 , 68084 , 36487 , 203158 , 690550 , 3866663 , 4135419 , 32538707 , 82770233 , 132442040 , 877876961 , 8872912879 , 9216304917
n×2
416111974
n×3
624167961
n×4
832223948
n×5
1040279935
n÷2
104027993.5
n÷3
69351995.666667
n÷3
52013996.75
n÷5
41611197.4
n2
43287293726544169
n3
9.0061806208351E+24
n4
1.8737897981681E+33
n5
3.898531858884E+41
2 √n
14424.145971253
3 √n
592.55236957509
4 √n
120.10056607382
5 √n
46.093113356089
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
-208055986
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 208055987 can be divided by 4 positive divisors.
The sum of these divisors (counting 208055987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011001101010111010110011
3
Ternary
112111111100011022
4
Quaternary
30121222322303
5
Quinary
411230242422
6
Senary
32351210055
8
Octal
1431527263
10
Decimal
208055987
12
Duodecimal
5981692b
16
Hexadecimal
c66aeb3
20
Vigesimal
3506jj7
36
Base36
3fvd0z
md5
093635bb3f7336571b9fcc41f2e42447
sha1
c640d7fb3c8d41f74365868579d4c6bdd3a943ef
sha256
d3db2217f57a7c30988db4309e370d2a9bed5e639065e09d26cbcf6158b40248
sha512
b145aca888fa51d9d3198175dfae8d401e1cfe63c425c0ef60d9e9d66cecf22c156d7eaf44df93e09624206f30048d63e50e5a06eda69966180d6e051aedd7c6
ripemd-160
43097670613d4be2a0e07f96ebb080a7a76440b4
Diameter
416111974
Circumference
1307254320.5891
Area
1.3599104396509E+17
Volume
3.7725001167091E+25
Surface area
5.4396417586038E+17
Circumference
1307254320.5891
Perimeter
832223948
Area
43287293726544169
Diagonal
294235598.54832
Surface area
259723762359265014
Volume
9.0061806208351E+24
Space diagonal
360363540.30289
Perimeter
624167961
Area
1.8743948014133E+16
Altitude
180181770.15144
Surface area
1.8743948014133E+16
Volume
1.0613885649306E+24
Height
98078532.84944