649781828 is an even 9-digits composite number following 649781827
and preceding 649781829 . In scientific notation, it is written as 6.49781828 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 324476520 positive integers (up to 649781828) that are relatively prime to 649781828.
649781828 has 12 divisors, whose sum is 1138568592
The reverse of 649781828 is 828187946
Previous prime number is 787
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred forty-nine million seven hundred eighty-one thousand eight hundred twenty-eight
Scientific notation
6.49781828 × 10^8
Engineering notation
6.49781828 × 10^6
Prime Factorization
2 × 2 × 787 × 206411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
324890914
Product of the distinct prime numbers
The prime factorization of 649781828 is 2 × 2 × 787 × 206411.
Since it has a total of 4 prime factors.
2 , 8 , 77 , 50 , 892 , 189 , 2668 , 5117 , 1025 , 53163 , 778763 , 241116 , 5903677 , 6953688 , 36749582 , 77796548 , 95438894 , 859174208 , 4959846949 , 6971843292
n×2
1299563656
n×3
1949345484
n×4
2599127312
n×5
3248909140
n÷2
324890914
n÷3
216593942.66667
n÷3
162445457
n÷5
129956365.6
n2
422216423999021584
n3
2.7434855979771E+26
n4
1.7826670869452E+35
n5
1.1583446784707E+44
2 √n
25490.818503924
3 √n
866.142176999
4 √n
159.65844325912
5 √n
57.883330585849
1 , 2 , 4 , 787 , 1574 , 3148 , 206411 , 412822 , 825644 , 162445457 , 324890914 , 649781828
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-649781827
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 649781828 can be divided by 12 positive divisors.
The sum of these divisors (counting 649781828) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101110101110001001000100
3
Ternary
1200021200100002122
4
Quaternary
212232232021010
5
Quinary
2312321004303
6
Senary
144251025112
8
Octal
4656561104
10
Decimal
649781828
12
Duodecimal
16173b198
16
Hexadecimal
26bae244
20
Vigesimal
a312eb8
36
Base36
aqv2v8
md5
ad150a333635612c7130906484005b9a
sha1
8d4e5db75825ad526e407b6a1e2bf6f59fdeb307
sha256
d73d77fb18303ef3cb483c4dd7d7abb2c244512574fb8e0cbbf776dd334254d1
sha512
6f7d88febde330586c28ef702b38180a46c1b8fd75962d9116e0168bb2a5c80d4ed4662905b70eff4ad3910657bdce5361feec22e33857a9261f9545bd61ba9a
ripemd-160
26b85c67fdfe32b37efd943f533669292ff953fb
Diameter
1299563656
Circumference
4082699634.5619
Area
1.3264320158603E+18
Volume
1.1491885599779E+27
Surface area
5.3057280634411E+18
Circumference
4082699634.5619
Perimeter
2599127312
Area
422216423999021584
Diagonal
918930273.74118
Surface area
2533298543994129504
Volume
2.7434855979771E+26
Space diagonal
1125455139.931
Perimeter
1949345484
Area
1.8282507453909E+17
Altitude
562727569.96549
Surface area
1.8282507453909E+17
Volume
3.2332287840287E+25
Height
306310091.24706