208889685 is an odd 9-digits composite number following 208889684
and preceding 208889686 . In scientific notation, it is written as 2.08889685 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 111407616 positive integers (up to 208889685) that are relatively prime to 208889685.
208889685 has 16 divisors, whose sum is 330097920
The reverse of 208889685 is 586988802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
two hundred eight million eight hundred eighty-nine thousand six hundred eighty-five
Scientific notation
2.08889685 × 10^8
Engineering notation
2.08889685 × 10^6
Prime Factorization
15 × 9 × 3 × 515777
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
208889685
Product of the distinct prime numbers
The prime factorization of 208889685 is 15 × 9 × 3 × 515777.
Since it has a total of 4 prime factors.
10 , 8 , 6 , 74 , 816 , 274 , 1674 , 2305 , 64286 , 72116 , 225751 , 818941 , 2800982 , 3134818 , 77042824 , 46395978 , 34132476 , 523119521 , 2570009291 , 4306693275
n×2
417779370
n×3
626669055
n×4
835558740
n×5
1044448425
n÷2
104444842.5
n÷3
69629895
n÷3
52222421.25
n÷5
41777937
n2
43634900499399225
n3
9.1148806203258E+24
n4
1.9040045415925E+33
n5
3.9772690893182E+41
2 √n
14453.01646716
3 √n
593.34278397465
4 √n
120.2206989963
5 √n
46.129994093205
1 , 3 , 9 , 15 , 27 , 45 , 135 , 405 , 515777 , 1547331 , 4641993 , 7736655 , 13925979 , 23209965 , 69629895 , 208889685
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
-208889684
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 208889685 can be divided by 16 positive divisors.
The sum of these divisors (counting 208889685) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011100110110011101010101
3
Ternary
112120001200210000
4
Quaternary
30130312131111
5
Quinary
411433432220
6
Senary
32421121513
8
Octal
1434663525
10
Decimal
208889685
12
Duodecimal
59b59299
16
Hexadecimal
c736755
20
Vigesimal
355b445
36
Base36
3gd8b9
md5
6276a18c0ad29ebf4abd0b452df63ff9
sha1
bdfa6339d6ff430354423d8ddb8e6dd842189cb9
sha256
1825ffd209bd1d340b3a2828eaa76351a2efba9536d2fd5306576df29def904d
sha512
44a9d488bd5d5b42d526549804e25ca083b2a1d9e55328fad09428da343061859512cf02bbceb20d50d19dec6ce2ae7ab240648d21025702ecee6b7430a9c6bd
ripemd-160
47135ce2a2cb1ed1e86298ca9afaab3f67cf8967
Diameter
417779370
Circumference
1312492599.6134
Area
1.3708308284903E+17
Volume
3.8180322660218E+25
Surface area
5.4833233139614E+17
Circumference
1312492599.6134
Perimeter
835558740
Area
43634900499399225
Diagonal
295414625.56684
Surface area
261809402996395350
Volume
9.1148806203258E+24
Space diagonal
361807547.59706
Perimeter
626669055
Area
1.8894466162043E+16
Altitude
180903773.79853
Surface area
1.8894466162043E+16
Volume
1.074198982723E+24
Height
98471541.855615