208889289 is an odd 9-digits composite number following 208889288
and preceding 208889290 . In scientific notation, it is written as 2.08889289 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 114174720 positive integers (up to 208889289) that are relatively prime to 208889289.
208889289 has 24 divisors, whose sum is 359828352
The reverse of 208889289 is 982988802
Previous prime number is 23
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 two hundred eighty-nine
Scientific notation
2.08889289 × 10^8
Engineering notation
2.08889289 × 10^6
Prime Factorization
7 × 3 × 3 × 23 × 144161
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
69629763
Product of the distinct prime numbers
The prime factorization of 208889289 is 7 × 3 × 3 × 23 × 144161.
Since it has a total of 5 prime factors.
3 , 10 , 31 , 6 , 593 , 201 , 2250 , 9012 , 30653 , 87058 , 84531 , 702025 , 210872 , 8597164 , 44428897 , 33107664 , 639129357 , 13876673 , 9486064156 , 7623991958
n×2
417778578
n×3
626667867
n×4
835557156
n×5
1044446445
n÷2
104444644.5
n÷3
69629763
n÷3
52222322.25
n÷5
41777857.8
n2
43634735058925521
n3
9.1148287821623E+24
n4
1.9039901036626E+33
n5
3.9772313901712E+41
2 √n
14453.002767591
3 √n
593.3424090337
4 √n
120.22064201954
5 √n
46.12997660312
1 , 3 , 7 , 9 , 21 , 23 , 63 , 69 , 161 , 207 , 483 , 1449 , 144161 , 432483 , 1009127 , 1297449 , 3027381 , 3315703 , 9082143 , 9947109 , 23209921 , 29841327 , 69629763 , 208889289
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-208889288
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 208889289 can be divided by 24 positive divisors.
The sum of these divisors (counting 208889289) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100011100110110010111001001
3
Ternary
112120001200020100
4
Quaternary
30130312113021
5
Quinary
411433424124
6
Senary
32421120013
8
Octal
1434662711
10
Decimal
208889289
12
Duodecimal
59b59009
16
Hexadecimal
c7365c9
20
Vigesimal
355b349
36
Base36
3gd809
md5
66fbfe686c2ad834bc9297d8ecdca47b
sha1
05d86e5dec8df707f61e144c430e3b9afdaaedc4
sha256
ffb46d6b79d044bbad4679817623a9f43dc026900a73c4eb1d38a788cecd08af
sha512
1fcb1630220d57181565e571ff2830c1b7b790558b9e8c659c3f5ec2f5d1429173e9562b64146d94d7710ff0f85985d851e0f181961ae2cd616bc09f503aa01e
ripemd-160
f60d9eb3b2dd0e2e8c8abba14669373a7a8caceb
Diameter
417778578
Circumference
1312490111.472
Area
1.3708256310246E+17
Volume
3.8180105521027E+25
Surface area
5.4833025240983E+17
Circumference
1312490111.472
Perimeter
835557156
Area
43634735058925521
Diagonal
295414065.53827
Surface area
261808410353553126
Volume
9.1148287821623E+24
Space diagonal
361806861.70494
Perimeter
626667867
Area
1.8894394524216E+16
Altitude
180903430.85247
Surface area
1.8894394524216E+16
Volume
1.0741928735369E+24
Height
98471355.179424