640147394 is an even 9-digits composite number following 640147393
and preceding 640147395 . In scientific notation, it is written as 6.40147394 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 320013076 positive integers (up to 640147394) that are relatively prime to 640147394.
640147394 has 8 divisors, whose sum is 960402960
The reverse of 640147394 is 493741046
Previous prime number is 5843
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty million one hundred forty-seven thousand three hundred ninety-four
Scientific notation
6.40147394 × 10^8
Engineering notation
6.40147394 × 10^6
Prime Factorization
2 × 5843 × 54779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
640147394
Product of the distinct prime numbers
The prime factorization of 640147394 is 2 × 5843 × 54779.
Since it has a total of 3 prime factors.
7 , 6 , 54 , 94 , 121 , 972 , 1661 , 3656 , 57706 , 6671 , 401833 , 436107 , 7931869 , 8229063 , 63621464 , 69153620 , 498851345 , 83579718 , 3147978550 , 1578621148
n×2
1280294788
n×3
1920442182
n×4
2560589576
n×5
3200736970
n÷2
320073697
n÷3
213382464.66667
n÷3
160036848.5
n÷5
128029478.8
n2
409788686044991236
n3
2.6232515946239E+26
n4
1.6792676721048E+35
n5
1.0749788241263E+44
2 √n
25301.13424335
3 √n
861.84002734029
4 √n
159.06330262933
5 √n
57.710654057832
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640147393
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640147394 can be divided by 8 positive divisors.
The sum of these divisors (counting 640147394) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001001111101111111000010
3
Ternary
1122121112212010202
4
Quaternary
212021331333002
5
Quinary
2302334204034
6
Senary
143304325202
8
Octal
4611757702
10
Decimal
640147394
12
Duodecimal
15a473802
16
Hexadecimal
2627dfc2
20
Vigesimal
a00i89e
36
Base36
al4kw2
md5
270bfb01d5a6876d0ccfa087416cb7da
sha1
544a8cdd5ad1dcd88fd2eb5e27e2e4fbce07fa7c
sha256
15c016ab3dbf98adaf242ad818995b31e675ec0ea962b70ee254d4ed886f616c
sha512
1d04f5c327207d5cdb9c7c33819852a923d83b230de7cfc946c6a7a05a5c3a9c0af9ccb1437be107c59b99703030385add3651ac5332d1ebd2b044e4efbfcceb
ripemd-160
a0b751a891106fb73171c235e4a19ad2d62c80f6
Diameter
1280294788
Circumference
4022164700.4101
Area
1.2873891256032E+18
Volume
1.0988250584251E+27
Surface area
5.1495565024126E+18
Circumference
4022164700.4101
Perimeter
2560589576
Area
409788686044991236
Diagonal
905305126.51259
Surface area
2458732116269947416
Volume
2.6232515946239E+26
Space diagonal
1108767810.7408
Perimeter
1920442182
Area
1.774437061492E+17
Altitude
554383905.37041
Surface area
1.774437061492E+17
Volume
3.0915316521949E+25
Height
301768375.5042