208889745 is an odd 9-digits composite number following 208889744
and preceding 208889746 . In scientific notation, it is written as 2.08889745 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 111265920 positive integers (up to 208889745) that are relatively prime to 208889745.
208889745 has 16 divisors, whose sum is 334649472
The reverse of 208889745 is 547988802
Previous prime number is 823
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 seven hundred forty-five
Scientific notation
2.08889745 × 10^8
Engineering notation
2.08889745 × 10^6
Prime Factorization
5 × 3 × 823 × 16921
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
208889745
Product of the distinct prime numbers
The prime factorization of 208889745 is 5 × 3 × 823 × 16921.
Since it has a total of 4 prime factors.
3 , 8 , 23 , 69 , 693 , 217 , 4738 , 4645 , 34536 , 35544 , 783608 , 46001 , 7916050 , 2437195 , 41064987 , 95319760 , 839675929 , 402264158 , 6973669942 , 684730022
n×2
417779490
n×3
626669235
n×4
835558980
n×5
1044448725
n÷2
104444872.5
n÷3
69629915
n÷3
52222436.25
n÷5
41777949
n2
43634925566165025
n3
9.1148884746102E+24
n4
1.9040067291648E+33
n5
3.9772748013351E+41
2 √n
14453.018542851
3 √n
593.34284078384
4 √n
120.22070762914
5 √n
46.129996743215
1 , 3 , 5 , 15 , 823 , 2469 , 4115 , 12345 , 16921 , 50763 , 84605 , 253815 , 13925983 , 41777949 , 69629915 , 208889745
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
-208889744
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 208889745 can be divided by 16 positive divisors.
The sum of these divisors (counting 208889745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011100110110011110010001
3
Ternary
112120001200212020
4
Quaternary
30130312132101
5
Quinary
411433432440
6
Senary
32421122053
8
Octal
1434663621
10
Decimal
208889745
12
Duodecimal
59b59329
16
Hexadecimal
c736791
20
Vigesimal
355b475
36
Base36
3gd8cx
md5
b082e9f26cfb7c7d1519ef7e911d22f9
sha1
be788c91d9e8a64ee672a7156793ec0edbc646c2
sha256
103510c7e9f4de35dced6a241eb0810d1068f4370944e7d572b6e181e5741978
sha512
d8127f97451d891e6f9974ca0270b5f8f8feb670d30b46eeec6617aee87354a9560181cf330e951390b2caf8bd55b097efbe9bcc27c4cc157046c4d15f405512
ripemd-160
edc3bb81cd47bdcdb58fe4dd1da5b10e83d01432
Diameter
417779490
Circumference
1312492976.6045
Area
1.370831615986E+17
Volume
3.8180355560168E+25
Surface area
5.4833264639441E+17
Circumference
1312492976.6045
Perimeter
835558980
Area
43634925566165025
Diagonal
295414710.41966
Surface area
261809553396990150
Volume
9.1148884746102E+24
Space diagonal
361807651.52011
Perimeter
626669235
Area
1.8894477016271E+16
Altitude
180903825.76005
Surface area
1.8894477016271E+16
Volume
1.0741999083593E+24
Height
98471570.139886