649968208 is an even 9-digits composite number following 649968207
and preceding 649968209 . In scientific notation, it is written as 6.49968208 × 10^8.
The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors.
There are 305867264 positive integers (up to 649968208) that are relatively prime to 649968208.
649968208 has 20 divisors, whose sum is 1333391220
The reverse of 649968208 is 802869946
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred forty-nine million nine hundred sixty-eight thousand two hundred eight
Scientific notation
6.49968208 × 10^8
Engineering notation
6.49968208 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17 × 2389589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
81246026
Product of the distinct prime numbers
The prime factorization of 649968208 is 2 × 2 × 2 × 2 × 17 × 2389589.
Since it has a total of 6 prime factors.
10 , 4 , 89 , 3 , 925 , 728 , 738 , 7753 , 54501 , 95433 , 838180 , 803053 , 4174120 , 3837090 , 62257013 , 56200537 , 828146241 , 748580332 , 4077695066 , 3783866467
n×2
1299936416
n×3
1949904624
n×4
2599872832
n×5
3249841040
n÷2
324984104
n÷3
216656069.33333
n÷3
162492052
n÷5
129993641.6
n2
422458671410731264
n3
2.7458470561089E+26
n4
1.7847132905012E+35
n5
1.1600068992208E+44
2 √n
25494.474067923
3 √n
866.22498230365
4 √n
159.66989092475
5 √n
57.886650794916
1 , 2 , 4 , 8 , 16 , 17 , 34 , 68 , 136 , 272 , 2389589 , 4779178 , 9558356 , 19116712 , 38233424 , 40623013 , 81246026 , 162492052 , 324984104 , 649968208
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-649968207
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 649968208 can be divided by 20 positive divisors.
The sum of these divisors (counting 649968208) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110101111011011101001010000
3
Ternary
1200022000210202121
4
Quaternary
212233123221100
5
Quinary
2312342440313
6
Senary
144255024024
8
Octal
4657335120
10
Decimal
649968208
12
Duodecimal
16180b014
16
Hexadecimal
26bdba50
20
Vigesimal
a3260a8
36
Base36
aqz2og
md5
7b19bc5f6f906c4b03f209089e9a7e8d
sha1
edd28074d495960ccdcb193e3a95923b799996f0
sha256
0565ed89a43659c5aea472756ec93252ea6fb9be4a1c2cadfa4a3350bdb7f197
sha512
488347e181c9dc35b506f8daaa3c74ac5ec8533b74b82c7c6c74c6270f030840df66c311705a79d1829ea691c13c2aa46a0de62785e70f77ba06894ebae4cbbc
ripemd-160
31ac8f7d37c2e49c1ca3c0995c0a66e6dccda2d6
Diameter
1299936416
Circumference
4083870694.6394
Area
1.3271930585493E+18
Volume
1.1501777252471E+27
Surface area
5.308772234197E+18
Circumference
4083870694.6394
Perimeter
2599872832
Area
422458671410731264
Diagonal
919193854.86494
Surface area
2534752028464387584
Volume
2.7458470561089E+26
Space diagonal
1125777959.5605
Perimeter
1949904624
Area
1.8292997074536E+17
Altitude
562888979.78025
Surface area
1.8292997074536E+17
Volume
3.2360117891262E+25
Height
306397951.62165