640804916 is an even 9-digits composite number following 640804915
and preceding 640804917 . In scientific notation, it is written as 6.40804916 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 317879352 positive integers (up to 640804916) that are relatively prime to 640804916.
640804916 has 12 divisors, whose sum is 1130239488
The reverse of 640804916 is 619408046
Previous prime number is 127
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty million eight hundred four thousand nine hundred sixteen
Scientific notation
6.40804916 × 10^8
Engineering notation
6.40804916 × 10^6
Prime Factorization
2 × 2 × 127 × 1261427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
320402458
Product of the distinct prime numbers
The prime factorization of 640804916 is 2 × 2 × 127 × 1261427.
Since it has a total of 4 prime factors.
5 , 10 , 98 , 88 , 169 , 874 , 7631 , 5562 , 13481 , 45107 , 972587 , 388503 , 2681179 , 5595133 , 99495204 , 9515210 , 698116384 , 656221113 , 9188608774 , 676046846
n×2
1281609832
n×3
1922414748
n×4
2563219664
n×5
3204024580
n÷2
320402458
n÷3
213601638.66667
n÷3
160201229
n÷5
128160983.2
n2
410630940369767056
n3
2.6313432525065E+26
n4
1.6861776918896E+35
n5
1.0805109542124E+44
2 √n
25314.124831801
3 √n
862.1350036091
4 √n
159.10413203874
5 √n
57.722504592337
1 , 2 , 4 , 127 , 254 , 508 , 1261427 , 2522854 , 5045708 , 160201229 , 320402458 , 640804916
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
-640804915
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 640804916 can be divided by 12 positive divisors.
The sum of these divisors (counting 640804916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110001100011110100000110100
3
Ternary
1122122210021002102
4
Quaternary
212030132200310
5
Quinary
2303021224131
6
Senary
143330401232
8
Octal
4614364064
10
Decimal
640804916
12
Duodecimal
15a730218
16
Hexadecimal
2631e834
20
Vigesimal
a050c5g
36
Base36
alio8k
md5
c30205e7eaeef11f9e396073ae4fe075
sha1
9857b76fbbb51ee4d380cdcae344a0b719953c3b
sha256
4b5f555cb5d696122c5d727f1d49173bc7bad0203426b5a510351845d4c92d44
sha512
514647dce665cfa6a4b4b2b546f00d6184bddfe439937da9c325011d3ce5531f1d4778508d04306e7ad36715c17a74ffe427885b547df27af43688f6c9900be5
ripemd-160
f02fa13abf6f4ea75b112214ac7bf299fe771ffa
Diameter
1281609832
Circumference
4026296032.9796
Area
1.2900351456023E+18
Volume
1.102214484153E+27
Surface area
5.1601405824093E+18
Circumference
4026296032.9796
Perimeter
2563219664
Area
410630940369767056
Diagonal
906235003.04255
Surface area
2463785642218602336
Volume
2.6313432525065E+26
Space diagonal
1109906672.2519
Perimeter
1922414748
Area
1.7780841297006E+17
Altitude
554953336.12595
Surface area
1.7780841297006E+17
Volume
3.1010677624613E+25
Height
302078334.34752