640804918 (number)

640804918 is an even 9-digits composite number following 640804917 and preceding 640804919. In scientific notation, it is written as 6.40804918 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 295756104 positive integers (up to 640804918) that are relatively prime to 640804918.

Interesting facts

Basic properties

Name

Name six hundred forty million eight hundred four thousand nine hundred eighteen

Notation

Scientific notation 6.40804918 × 10^8
Engineering notation 6.40804918 × 10^6

Prime Factorization of 640804918

Prime Factorization 2 × 13 × 24646343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 640804918
Product of the distinct prime numbers

The prime factorization of 640804918 is 2 × 13 × 24646343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 19, 30, 632, 630, 4870, 9133, 42030, 46593, 237367, 346295, 7976435, 210791, 61312155, 8744242, 488793188, 98612969, 7577836773, 5089524842

Basic calculations (n = 640804918)

Multiplication

n×y
n×2 1281609836
n×3 1922414754
n×4 2563219672
n×5 3204024590

Division

n÷y
n÷2 320402459
n÷3 213601639.33333
n÷3 160201229.5
n÷5 128160983.6

Exponentiation

ny
n2 410630942932986724
n3 2.6313432771444E+26
n4 1.6861777129403E+35
n5 1.0805109710742E+44

Nth Root

y√n
2√n 25314.124871305
3√n 862.13500450603
4√n 159.10413216288
5√n 57.722504628368

Divisors of 640804918

1, 2, 13, 26, 24646343, 49292686, 320402459, 640804918

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 -640804917
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 640804918 can be divided by 8 positive divisors. The sum of these divisors (counting 640804918) is 1, the average is 0.125.

Base conversion 640804918

Base System Value
2 Binary 100110001100011110100000110110
3 Ternary 1122122210021002111
4 Quaternary 212030132200312
5 Quinary 2303021224133
6 Senary 143330401234
8 Octal 4614364066
10 Decimal 640804918
12 Duodecimal 15a73021a
16 Hexadecimal 2631e836
20 Vigesimal a050c5i
36 Base36 alio8m

Cryptographic Hash Functions

md5 9be2517b68228d2752c42898834c5d4a
sha1 8838d7c4e8830604931bf307dde7cf930f8bca9e
sha256 f18a1dcc0309aa14c9c7a2db12c76c357f3d10138fd2ade860b5c7504b6418d7
sha512 d14eafdb2fa005ed27850b9d67a5778991fb225e6db4d777225e0fa4f4d0a0094181e39cc791fdf2ce90d62862ccac7902c77a4936f0aaf419e9a39542348d38
ripemd-160 12dad09ae920eff3272740124217bf9230ad78eb

640804918 as geometric shapes

Circle

Radius = n
Diameter 1281609836
Circumference 4026296045.546
Area 1.2900351536549E+18

Sphere

Radius = n
Volume 1.1022144944733E+27
Surface area 5.1601406146197E+18
Circumference 4026296045.546

Square

Length = n
Perimeter 2563219672
Area 410630942932986724
Diagonal 906235005.87098

Cube

Length = n
Surface area 2463785657597920344
Volume 2.6313432771444E+26
Space diagonal 1109906675.716

Equilateral Triangle

Length = n
Perimeter 1922414754
Area 1.7780841407996E+17
Altitude 554953337.858

Triangular Pyramid

Length = n
Surface area 1.7780841407996E+17
Volume 3.1010677914973E+25
Height 302078335.29033