208996985 is an odd 9-digits composite number following 208996984
and preceding 208996986 . In scientific notation, it is written as 2.08996985 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 163309104 positive integers (up to 208996985) that are relatively prime to 208996985.
208996985 has 8 divisors, whose sum is 256629120
The reverse of 208996985 is 589699802
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
two hundred eight million nine hundred ninety-six thousand nine hundred eighty-five
Scientific notation
2.08996985 × 10^8
Engineering notation
2.08996985 × 10^6
Prime Factorization
43 × 5 × 972079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
208996985
Product of the distinct prime numbers
The prime factorization of 208996985 is 43 × 5 × 972079.
Since it has a total of 3 prime factors.
5 , 1 , 28 , 46 , 850 , 463 , 8743 , 8310 , 9117 , 74235 , 888653 , 171790 , 3941997 , 5466895 , 91326987 , 95934844 , 132064732 , 741622498 , 6230493422 , 5147161824
n×2
417993970
n×3
626990955
n×4
835987940
n×5
1044984925
n÷2
104498492.5
n÷3
69665661.666667
n÷3
52249246.25
n÷5
41799397
n2
43679739739090225
n3
9.1289339110545E+24
n4
1.9079196636747E+33
n5
3.9874945733022E+41
2 √n
14456.728018469
3 √n
593.44436036862
4 √n
120.23613441254
5 √n
46.134732222489
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
-208996984
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 208996985 can be divided by 8 positive divisors.
The sum of these divisors (counting 208996985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011101010000101001111001
3
Ternary
112120021010222002
4
Quaternary
30131100221321
5
Quinary
412000400420
6
Senary
32423310345
8
Octal
1435205171
10
Decimal
208996985
12
Duodecimal
59bab3b5
16
Hexadecimal
c750a79
20
Vigesimal
3564c95
36
Base36
3gfj3t
md5
1bf6a22876f4f77b763a8af2ad1b57c8
sha1
3eb258c6444f9181debbe09da298a28226781697
sha256
c42c5ed27c1a87b544542def9134baedd045dbb97aaf4e1e717d5d0f748a0d5e
sha512
6b58fde9f44c46151f662f2dce7870115a53ee8399f3bef9b76f604f4db3c5b042ff1248420912d966135af08f6faa6db25681342d5918e8ad9416d8b8f12d6a
ripemd-160
6c00fcc74fae3078a0f6f3fd14e89f19e516987c
Diameter
417993970
Circumference
1313166785.3968
Area
1.3722394947504E+17
Volume
3.8239188946768E+25
Surface area
5.4889579790016E+17
Circumference
1313166785.3968
Perimeter
835987940
Area
43679739739090225
Diagonal
295566370.68209
Surface area
262078438434541350
Volume
9.1289339110545E+24
Space diagonal
361993396.64871
Perimeter
626990955
Area
1.8913882122372E+16
Altitude
180996698.32436
Surface area
1.8913882122372E+16
Volume
1.0758551789184E+24
Height
98522123.560695