208020909 is an odd 9-digits composite number following 208020908
and preceding 208020910 . In scientific notation, it is written as 2.08020909 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 136620288 positive integers (up to 208020909) that are relatively prime to 208020909.
208020909 has 16 divisors, whose sum is 281512512
The reverse of 208020909 is 909020802
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred eight million twenty thousand nine hundred nine
Scientific notation
2.08020909 × 10^8
Engineering notation
2.08020909 × 10^6
Prime Factorization
3 × 173 × 113 × 3547
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
208020909
Product of the distinct prime numbers
The prime factorization of 208020909 is 3 × 173 × 113 × 3547.
Since it has a total of 4 prime factors.
8 , 1 , 74 , 78 , 679 , 644 , 8066 , 6121 , 70079 , 30573 , 577473 , 848179 , 400369 , 2181896 , 92026176 , 71661513 , 640906416 , 98947062 , 4266557439 , 1031283517
n×2
416041818
n×3
624062727
n×4
832083636
n×5
1040104545
n÷2
104010454.5
n÷3
69340303
n÷3
52005227.25
n÷5
41604181.8
n2
43272698581186281
n3
9.0016260937414E+24
n4
1.8725264424982E+33
n5
3.8952465269501E+41
2 √n
14422.92997279
3 √n
592.51906648751
4 √n
120.09550354942
5 √n
46.091559002086
1 , 3 , 113 , 173 , 339 , 519 , 3547 , 10641 , 19549 , 58647 , 400811 , 613631 , 1202433 , 1840893 , 69340303 , 208020909
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
-208020908
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 208020909 can be divided by 16 positive divisors.
The sum of these divisors (counting 208020909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011001100010010110101101
3
Ternary
112111102120001010
4
Quaternary
30121202112231
5
Quinary
411223132114
6
Senary
32350335433
8
Octal
1431422655
10
Decimal
208020909
12
Duodecimal
597ba579
16
Hexadecimal
c6625ad
20
Vigesimal
3502c59
36
Base36
3fulyl
md5
8c68b9c41fe722022f41f86d622c3eca
sha1
6009f8372a1039c121f7fb5426bf2e4f07865076
sha256
d72397a596d808168db3ef14d9f9de209e8c9ff49663ae883cbfa90737f9ac81
sha512
749b38c0fe2cb451700754f45c8e9dcccfdb7ba5fd742681110255233d369d694b13df8448abe81f575ff42bbe4beec30ca8637d2f0b1e453ca7cd4729fa7de2
ripemd-160
64f975ecabfb042a4a289ea0ab41a02cc50fa2a2
Diameter
416041818
Circumference
1307033919.0149
Area
1.3594519196366E+17
Volume
3.7705923208613E+25
Surface area
5.4378076785464E+17
Circumference
1307033919.0149
Perimeter
832083636
Area
43272698581186281
Diagonal
294185990.76498
Surface area
259636191487117686
Volume
9.0016260937414E+24
Space diagonal
360302783.42466
Perimeter
624062727
Area
1.8737628130807E+16
Altitude
180151391.71233
Surface area
1.8737628130807E+16
Volume
1.0608518087651E+24
Height
98061996.92166