208889385 is an odd 9-digits composite number following 208889384
and preceding 208889386 . In scientific notation, it is written as 2.08889385 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 108368640 positive integers (up to 208889385) that are relatively prime to 208889385.
208889385 has 16 divisors, whose sum is 228953088
The reverse of 208889385 is 583988802
Previous prime number is 1637
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred eight million eight hundred eighty-nine thousand three hundred eighty-five
Scientific notation
2.08889385 × 10^8
Engineering notation
2.08889385 × 10^6
Prime Factorization
15 × 47 × 1637 × 181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
208889385
Product of the distinct prime numbers
The prime factorization of 208889385 is 15 × 47 × 1637 × 181.
Since it has a total of 4 prime factors.
8 , 9 , 15 , 48 , 22 , 993 , 9027 , 8866 , 86470 , 52946 , 425220 , 153745 , 4280300 , 7186704 , 37360547 , 49267309 , 361337303 , 428615414 , 3977638937 , 4192581728
n×2
417778770
n×3
626668155
n×4
835557540
n×5
1044446925
n÷2
104444692.5
n÷3
69629795
n÷3
52222346.25
n÷5
41777877
n2
43634775165678225
n3
9.1148413489718E+24
n4
1.9039936037593E+33
n5
3.9772405293321E+41
2 √n
14453.0060887
3 √n
593.34249992852
4 √n
120.2206558321
5 √n
46.129980843143
1 , 15 , 47 , 181 , 705 , 1637 , 2715 , 8507 , 24555 , 76939 , 127605 , 296297 , 1154085 , 4444455 , 13925959 , 208889385
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
-208889384
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 208889385 can be divided by 16 positive divisors.
The sum of these divisors (counting 208889385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011100110110011000101001
3
Ternary
112120001200100220
4
Quaternary
30130312120221
5
Quinary
411433430020
6
Senary
32421120253
8
Octal
1434663051
10
Decimal
208889385
12
Duodecimal
59b59089
16
Hexadecimal
c736629
20
Vigesimal
355b395
36
Base36
3gd82x
md5
125ac71885b28dc0e67c86e3bf09f308
sha1
46670d721b730bdcbf32fff8288740c08b2240af
sha256
7e2cd4f9c47905ebea4f18906315b108cdea08f0de95099725160dcda5f26765
sha512
c489bc4d1fd1996b3bea4a2f4ed8c4032a409986bea475c4c9795476cf59204c4b9e7504b110a893eea7730606c63ef31cbb4692899fb5a0df97528afd077c4f
ripemd-160
e82259c164a11202975e36b0bcab656899c56a5e
Diameter
417778770
Circumference
1312490714.6578
Area
1.3708268910154E+17
Volume
3.8180158160755E+25
Surface area
5.4833075640615E+17
Circumference
1312490714.6578
Perimeter
835557540
Area
43634775165678225
Diagonal
295414201.30277
Surface area
261808650994069350
Volume
9.1148413489718E+24
Space diagonal
361807027.98182
Perimeter
626668155
Area
1.889441189095E+16
Altitude
180903513.99091
Surface area
1.889441189095E+16
Volume
1.0741943545496E+24
Height
98471400.434258