640123265 is an odd 9-digits composite number following 640123264
and preceding 640123266 . In scientific notation, it is written as 6.40123265 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 512098608 positive integers (up to 640123265) that are relatively prime to 640123265.
640123265 has 4 divisors, whose sum is 768147924
The reverse of 640123265 is 562321046
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
six hundred forty million one hundred twenty-three thousand two hundred sixty-five
Scientific notation
6.40123265 × 10^8
Engineering notation
6.40123265 × 10^6
Prime Factorization
5 × 128024653
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
640123265
Product of the distinct prime numbers
The prime factorization of 640123265 is 5 × 128024653.
Since it has a total of 2 prime factors.
4 , 10 , 14 , 93 , 723 , 155 , 3085 , 7430 , 5399 , 84642 , 103529 , 569404 , 2405120 , 7285781 , 63147888 , 43115175 , 313079241 , 155087803 , 1834561585 , 1440519009
n×2
1280246530
n×3
1920369795
n×4
2560493060
n×5
3200616325
n÷2
320061632.5
n÷3
213374421.66667
n÷3
160030816.25
n÷5
128024653
n2
409757794394260225
n3
2.6229549720685E+26
n4
1.6790145006685E+35
n5
1.0747762441503E+44
2 √n
25300.657402526
3 √n
861.82919879283
4 √n
159.06180371958
5 √n
57.710218995101
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640123264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640123265 can be divided by 4 positive divisors.
The sum of these divisors (counting 640123265) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001001111000000110000001
3
Ternary
1122121111122001002
4
Quaternary
212021320012001
5
Quinary
2302332421030
6
Senary
143304021345
8
Octal
4611700601
10
Decimal
640123265
12
Duodecimal
15a461855
16
Hexadecimal
26278181
20
Vigesimal
a00f835
36
Base36
al429t
md5
83ae30150e88fcdbf5912bb325c2e25e
sha1
7a919f3d654a39973b2d40453d35e7657c6e9775
sha256
0167fffab7a03a394b86d535b087d27af6c74a325c5b28aa7f1d345f73116bf9
sha512
ea08eac4f08cb836ad14f5cd51ea66e727197ba73b4a58a23e4f933b86a495c139ab8017875e610de46977093401ff18533be7f3943b8fc574c5b3c602d53af4
ripemd-160
9352b049032335e35424f276b1021b0695d26fc5
Diameter
1280246530
Circumference
4022013093.4318
Area
1.2872920766202E+18
Volume
1.0987008094596E+27
Surface area
5.1491683064807E+18
Circumference
4022013093.4318
Perimeter
2560493060
Area
409757794394260225
Diagonal
905271002.95355
Surface area
2458546766365561350
Volume
2.6229549720685E+26
Space diagonal
1108726018.0869
Perimeter
1920369795
Area
1.7743032967206E+17
Altitude
554363009.04344
Surface area
1.7743032967206E+17
Volume
3.091182079161E+25
Height
301757000.98452