640794 is an even 6-digits composite number following 640793
and preceding 640795 . In scientific notation, it is written as 6.40794 × 10^5.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 155520 positive integers (up to 640794) that are relatively prime to 640794.
640794 has 32 divisors, whose sum is 1207680
The reverse of 640794 is 497046
Previous prime number is 19
Is Prime? no
Number parity even
Number length 6
Sum of Digits 30
Digital Root 3
Name
six hundred forty thousand seven hundred ninety-four
Scientific notation
6.40794 × 10^5
Engineering notation
6.40794 × 10^3
Prime Factorization
2 × 33 × 7 × 19 × 73
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
640794
Product of the distinct prime numbers
The prime factorization of 640794 is 2 × 33 × 7 × 19 × 73.
Since it has a total of 5 prime factors.
5 , 4 , 39 , 30 , 450 , 537 , 3468 , 2747 , 29501 , 37361 , 490686 , 482109 , 7387292 , 5069891 , 73535320 , 83093492 , 734312330 , 762884046 , 7402366237 , 6487263143
n×2
1281588
n×3
1922382
n×4
2563176
n×5
3203970
n÷2
320397
n÷3
213598
n÷3
160198.5
n÷5
128158.8
n2
410616950436
n3
263120878137686184
n4
1.6860627998536E+23
n5
1.0804189257694E+29
2 √n
800.49609618036
3 √n
86.213010814149
4 √n
28.293039712628
5 √n
14.499188209091
1 , 2 , 7 , 14 , 19 , 33 , 38 , 66 , 73 , 133 , 146 , 231 , 266 , 462 , 511 , 627 , 1022 , 1254 , 1387 , 2409 , 2774 , 4389 , 4818 , 8778 , 9709 , 16863 , 19418 , 33726 , 45771 , 91542 , 320397 , 640794
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640793
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640794 can be divided by 32 positive divisors.
The sum of these divisors (counting 640794) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10011100011100011010
3
Ternary
1012120000010
4
Quaternary
2130130122
5
Quinary
131001134
6
Senary
21422350
8
Octal
2343432
10
Decimal
640794
12
Duodecimal
26a9b6
16
Hexadecimal
9c71a
20
Vigesimal
401je
36
Base36
dqfu
md5
63b15000bb8b7f6eb2d1efaeff7a3f12
sha1
1f48d201ffce96efb260864ab64bf641c3b77d09
sha256
8dc3a91061b51dcf7ebc121e9043ca2b1eef946b45fd0930534d6af9b62358d0
sha512
63c992d292d9d02f4e00dbc6f6ef310589d3ba048a1a5c5f41187c1547cd72a836dbc083c2166cf97190f4424e0ef1fda28010afae8f01fd78f4d2bb8d0b8db0
ripemd-160
9cfbca0d63101d6636e6e3e544203966a0e56947
Diameter
1281588
Circumference
4026227.4457288
Area
1289991194929.2
Volume
1.1021581570179E+18
Surface area
5159964779716.7
Circumference
4026227.4457288
Perimeter
2563176
Area
410616950436
Diagonal
906219.56548731
Surface area
2463701702616
Volume
263120878137686184
Space diagonal
1109887.7651853
Perimeter
1922382
Area
177802355151.04
Altitude
554943.88259265
Surface area
177802355151.04
Volume
3.1009092867153E+16
Height
302073.18849577