208889666 is an even 9-digits composite number following 208889665
and preceding 208889667 . In scientific notation, it is written as 2.08889666 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 104387140 positive integers (up to 208889666) that are relatively prime to 208889666.
208889666 has 8 divisors, whose sum is 313507584
The reverse of 208889666 is 666988802
Previous prime number is 1871
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
two hundred eight million eight hundred eighty-nine thousand six hundred sixty-six
Scientific notation
2.08889666 × 10^8
Engineering notation
2.08889666 × 10^6
Prime Factorization
2 × 1871 × 55823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
208889666
Product of the distinct prime numbers
The prime factorization of 208889666 is 2 × 1871 × 55823.
Since it has a total of 3 prime factors.
8 , 9 , 66 , 53 , 114 , 899 , 8061 , 4299 , 69036 , 75106 , 67962 , 971137 , 7796054 , 1177162 , 54524679 , 30615192 , 181478273 , 520026669 , 7959384007 , 5738182883
n×2
417779332
n×3
626668998
n×4
835558664
n×5
1044448330
n÷2
104444833
n÷3
69629888.666667
n÷3
52222416.5
n÷5
41777933.2
n2
43634892561591556
n3
9.1148781331367E+24
n4
1.9040038488616E+33
n5
3.9772672805142E+41
2 √n
14453.015809858
3 √n
593.34276598507
4 √n
120.22069626257
5 √n
46.129993254035
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
-208889665
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 208889666 can be divided by 8 positive divisors.
The sum of these divisors (counting 208889666) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011100110110011101000010
3
Ternary
112120001200202022
4
Quaternary
30130312131002
5
Quinary
411433432131
6
Senary
32421121442
8
Octal
1434663502
10
Decimal
208889666
12
Duodecimal
59b59282
16
Hexadecimal
c736742
20
Vigesimal
355b436
36
Base36
3gd8aq
md5
a9df9e3892826d83ada15ff134f54f3c
sha1
c73e46d1c62223f45fa6c7a6e4cdbfce4a1557bc
sha256
ac9741c34f00ee65e82bd97d68b93bea720e02ca5025734e802187b5dd520d82
sha512
e226ecbe1111035c309a61cdfbcd9e1687a7ec7145acaf934703ecd68eb8ce28fe77357dcf928af1aa729576cc3fa0ae58630a264d26b5e164869390f70feab8
ripemd-160
d0cf1d597d6624874ef1480c0bfb5e803952f759
Diameter
417779332
Circumference
1312492480.2329
Area
1.3708305791168E+17
Volume
3.8180312241905E+25
Surface area
5.483322316467E+17
Circumference
1312492480.2329
Perimeter
835558664
Area
43634892561591556
Diagonal
295414598.69679
Surface area
261809355369549336
Volume
9.1148781331367E+24
Space diagonal
361807514.68809
Perimeter
626668998
Area
1.8894462724871E+16
Altitude
180903757.34405
Surface area
1.8894462724871E+16
Volume
1.074198689605E+24
Height
98471532.898929