208989969 is an odd 9-digits composite number following 208989968
and preceding 208989970 . In scientific notation, it is written as 2.08989969 × 10^8.
The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors.
There are 139326644 positive integers (up to 208989969) that are relatively prime to 208989969.
208989969 has 4 divisors, whose sum is 278653296
The reverse of 208989969 is 969989802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 60
Digital Root 6
Name
two hundred eight million nine hundred eighty-nine thousand nine hundred sixty-nine
Scientific notation
2.08989969 × 10^8
Engineering notation
2.08989969 × 10^6
Prime Factorization
3 × 69663323
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
208989969
Product of the distinct prime numbers
The prime factorization of 208989969 is 3 × 69663323.
Since it has a total of 2 prime factors.
3 , 10 , 100 , 61 , 380 , 584 , 8455 , 3571 , 50110 , 24776 , 451297 , 742521 , 6994500 , 2665908 , 55585686 , 60194156 , 41058155 , 582931332 , 8311782565 , 8048010425
n×2
417979938
n×3
626969907
n×4
835959876
n×5
1044949845
n÷2
104494984.5
n÷3
69663323
n÷3
52247492.25
n÷5
41797993.8
n2
43676807142620961
n3
9.1280145707553E+24
n4
1.9076634821737E+33
n5
3.9868253200191E+41
2 √n
14456.485361249
3 √n
593.43771967916
4 √n
120.23512532222
5 √n
46.134422471008
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-208989968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 208989969 can be divided by 4 positive divisors.
The sum of these divisors (counting 208989969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011101001110111100010001
3
Ternary
112120020210100020
4
Quaternary
30131032330101
5
Quinary
412000134334
6
Senary
32423214053
8
Octal
1435167421
10
Decimal
208989969
12
Duodecimal
59ba7329
16
Hexadecimal
c74ef11
20
Vigesimal
3563ei9
36
Base36
3gfdox
md5
7984282cb31f65632735cb4ecb13eacc
sha1
b6859bedd06aba907ab832e190b14be75f2c6c10
sha256
cf776719584cdb289e70d51c7b5d8e48b4cb1b94dcdedca42a8dfb4c4cf4e447
sha512
967049af1bb0558d541e31059b22402bb7973458e9b19a9fdd1f3338f4dd3ddf0bb0b2beba8970fff8583d355e3a6f84b5309214f38d6d1d7bda3ca2fb14c8ad
ripemd-160
1c281036637b6d86167976ebb9041bd799f1ce82
Diameter
417979938
Circumference
1313122702.5687
Area
1.3721473645152E+17
Volume
3.8235338023127E+25
Surface area
5.4885894580606E+17
Circumference
1313122702.5687
Perimeter
835959876
Area
43676807142620961
Diagonal
295556448.55973
Surface area
262060842855725766
Volume
9.1280145707553E+24
Space diagonal
361981244.58024
Perimeter
626969907
Area
1.8912612270852E+16
Altitude
180990622.29012
Surface area
1.8912612270852E+16
Volume
1.0757468336251E+24
Height
98518816.186578