640804920 (number)

640804920 is an even 9-digits composite number following 640804919 and preceding 640804921. In scientific notation, it is written as 6.40804920 × 10^8. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 140894208 positive integers (up to 640804920) that are relatively prime to 640804920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.40804920 × 10^8
Engineering notation 6.40804920 × 10^6

Prime Factorization of 640804920

Prime Factorization 2 × 2 × 2 × 3955 × 471 × 43

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 160201230
Product of the distinct prime numbers

The prime factorization of 640804920 is 2 × 2 × 2 × 3955 × 471 × 43. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 10, 84, 100, 10, 59, 8925, 6889, 68167, 66666, 767468, 596761, 5264572, 5541588, 55458022, 5036698, 706605691, 295929939, 6471497540, 1545836887

Basic calculations (n = 640804920)

Multiplication

n×y
n×2 1281609840
n×3 1922414760
n×4 2563219680
n×5 3204024600

Division

n÷y
n÷2 320402460
n÷3 213601640
n÷3 160201230
n÷5 128160984

Exponentiation

ny
n2 410630945496206400
n3 2.6313433017822E+26
n4 1.6861777339911E+35
n5 1.0805109879359E+44

Nth Root

y√n
2√n 25314.124910808
3√n 862.13500540296
4√n 159.10413228703
5√n 57.722504664399

Divisors of 640804920

1, 2, 4, 8, 43, 86, 172, 344, 471, 942, 1884, 3768, 3955, 7910, 15820, 20253, 31640, 40506, 81012, 162024, 170065, 340130, 680260, 1360520, 1862805, 3725610, 7451220, 14902440, 80100615, 160201230, 320402460, 640804920

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 -640804919
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 640804920 can be divided by 32 positive divisors. The sum of these divisors (counting 640804920) is 1, the average is 0.03125.

Base conversion 640804920

Base System Value
2 Binary 100110001100011110100000111000
3 Ternary 1122122210021002120
4 Quaternary 212030132200320
5 Quinary 2303021224140
6 Senary 143330401240
8 Octal 4614364070
10 Decimal 640804920
12 Duodecimal 15a730220
16 Hexadecimal 2631e838
20 Vigesimal a050c60
36 Base36 alio8o

Cryptographic Hash Functions

md5 e8d7141265a1128c4de12b6d438b0637
sha1 3d19a3cbee0cbed9eee1397490b170917671a679
sha256 0e46b71174430b2d5c27d6d5030de3dec9c4d28bd7474f3a98f172f7e1f4ff28
sha512 0fae85ffafeaa05247fcec2df56824f592e11d608de9fda4dfc23167cf7aaaef95e6d5f226ee00a37b39a2ae137f088d92df4e7b8b5dcd2ba03be6fd306e446f
ripemd-160 5fd23ffe6633ddb670c14e3c099d4dc078e9d7ce

640804920 as geometric shapes

Circle

Radius = n
Diameter 1281609840
Circumference 4026296058.1124
Area 1.2900351617075E+18

Sphere

Radius = n
Volume 1.1022145047936E+27
Surface area 5.1601406468301E+18
Circumference 4026296058.1124

Square

Length = n
Perimeter 2563219680
Area 410630945496206400
Diagonal 906235008.69941

Cube

Length = n
Surface area 2463785672977238400
Volume 2.6313433017822E+26
Space diagonal 1109906679.1801

Equilateral Triangle

Length = n
Perimeter 1922414760
Area 1.7780841518987E+17
Altitude 554953339.59005

Triangular Pyramid

Length = n
Surface area 1.7780841518987E+17
Volume 3.1010678205333E+25
Height 302078336.23314