208889145 is an odd 9-digits composite number following 208889144
and preceding 208889146 . In scientific notation, it is written as 2.08889145 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 110358720 positive integers (up to 208889145) that are relatively prime to 208889145.
208889145 has 32 divisors, whose sum is 374855040
The reverse of 208889145 is 541988802
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred eight million eight hundred eighty-nine thousand one hundred forty-five
Scientific notation
2.08889145 × 10^8
Engineering notation
2.08889145 × 10^6
Prime Factorization
5 × 3 × 9 × 107 × 14461
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
208889145
Product of the distinct prime numbers
The prime factorization of 208889145 is 5 × 3 × 9 × 107 × 14461.
Since it has a total of 5 prime factors.
1 , 8 , 94 , 42 , 250 , 167 , 4205 , 7953 , 82693 , 70755 , 913790 , 390538 , 3074459 , 5734459 , 47200860 , 64733898 , 91563014 , 366405124 , 643661965 , 5770992941
n×2
417778290
n×3
626667435
n×4
835556580
n×5
1044445725
n÷2
104444572.5
n÷3
69629715
n÷3
52222286.25
n÷5
41777829
n2
43634674898831025
n3
9.1148099319698E+24
n4
1.9039848535267E+33
n5
3.9772176814614E+41
2 √n
14452.997785927
3 √n
593.34227269142
4 √n
120.2206213007
5 √n
46.129970243083
1 , 3 , 5 , 9 , 15 , 27 , 45 , 107 , 135 , 321 , 535 , 963 , 1605 , 2889 , 4815 , 14445 , 14461 , 43383 , 72305 , 130149 , 216915 , 390447 , 650745 , 1547327 , 1952235 , 4641981 , 7736635 , 13925943 , 23209905 , 41777829 , 69629715 , 208889145
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-208889144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 208889145 can be divided by 32 positive divisors.
The sum of these divisors (counting 208889145) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1100011100110110010100111001
3
Ternary
112120001200001000
4
Quaternary
30130312110321
5
Quinary
411433423040
6
Senary
32421115213
8
Octal
1434662471
10
Decimal
208889145
12
Duodecimal
59b58b09
16
Hexadecimal
c736539
20
Vigesimal
355b2h5
36
Base36
3gd7w9
md5
3151c0661f0f6e5d073339e70a2ee86e
sha1
57b9ae02cf69e62a71a8ae62935bdb68c3152bba
sha256
214f3cb022872a723cfbdab2e697e96ab9b29e77050009a527c59f0117546871
sha512
d3ef0fced1ef5150359205d068050b974a874d501cbab63cecc1a9f2fa2d8c0b5f4073c90709beda45b7f1a8089b9bf4e7cb6187098d60ca97e9352a2e4b3f5d
ripemd-160
dfb9847e68e5a6f10623cbaf9091553ac39c600a
Diameter
417778290
Circumference
1312489206.6933
Area
1.3708237410395E+17
Volume
3.8180026561525E+25
Surface area
5.4832949641579E+17
Circumference
1312489206.6933
Perimeter
835556580
Area
43634674898831025
Diagonal
295413861.89152
Surface area
261808049392986150
Volume
9.1148099319698E+24
Space diagonal
361806612.28962
Perimeter
626667435
Area
1.8894368474131E+16
Altitude
180903306.14481
Surface area
1.8894368474131E+16
Volume
1.0741906520204E+24
Height
98471287.297173