208587421 is an odd 9-digits composite number following 208587420
and preceding 208587422 . In scientific notation, it is written as 2.08587421 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 176270640 positive integers (up to 208587421) that are relatively prime to 208587421.
208587421 has 8 divisors, whose sum is 241743744
The reverse of 208587421 is 124785802
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred eight million five hundred eighty-seven thousand four hundred twenty-one
Scientific notation
2.08587421 × 10^8
Engineering notation
2.08587421 × 10^6
Prime Factorization
7 × 71 × 419693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
208587421
Product of the distinct prime numbers
The prime factorization of 208587421 is 7 × 71 × 419693.
Since it has a total of 3 prime factors.
8 , 3 , 70 , 72 , 622 , 550 , 4092 , 8623 , 14739 , 29091 , 947343 , 410898 , 4780651 , 8743057 , 14083486 , 75903836 , 380183891 , 874731735 , 562138446 , 341041397
n×2
417174842
n×3
625762263
n×4
834349684
n×5
1042937105
n÷2
104293710.5
n÷3
69529140.333333
n÷3
52146855.25
n÷5
41717484.2
n2
43508712199431241
n3
9.0753700687106E+24
n4
1.8930080372529E+33
n5
3.9485766442286E+41
2 √n
14442.555902609
3 √n
593.05645622918
4 √n
120.17718544969
5 √n
46.116636311535
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
-208587420
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 208587421 can be divided by 8 positive divisors.
The sum of these divisors (counting 208587421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011011101100101010011101
3
Ternary
112112111100011001
4
Quaternary
30123230222131
5
Quinary
411344244141
6
Senary
32410430301
8
Octal
1433545235
10
Decimal
208587421
12
Duodecimal
59a32391
16
Hexadecimal
c6eca9d
20
Vigesimal
353d8b1
36
Base36
3g6r31
md5
3ff172f6e86d2d10b1345f22d8c0c940
sha1
0451ceba575cc38b223ccefac5ee2552fc266868
sha256
f22ed366d178ced650f7b970aeb0ae79480ebf9f3a8cf07174a09e7357a1875a
sha512
b6727a710122164a5d377457c1a5e7e8288d2df0f80a9d9c367020e519286d9d754b21b5e39dbe9eabe10b5b1a61e91f71b01aeb7c3563715e1427a0fc863cbe
ripemd-160
d6000a87a60abbb341c9ce285587b8245e172b8c
Diameter
417174842
Circumference
1310593418.8897
Area
1.3668665061289E+17
Volume
3.8014821248627E+25
Surface area
5.4674660245154E+17
Circumference
1310593418.8897
Perimeter
834349684
Area
43508712199431241
Diagonal
294987159.71863
Surface area
261052273196587446
Volume
9.0753700687106E+24
Space diagonal
361284010.99176
Perimeter
625762263
Area
1.8839825025327E+16
Altitude
180642005.49588
Surface area
1.8839825025327E+16
Volume
1.0695426195604E+24
Height
98329053.239542