644074920 (number)

644074920 is an even 9-digits composite number following 644074919 and preceding 644074921. In scientific notation, it is written as 6.44074920 × 10^8. The sum of its digits is 36. It has a total of 7 prime factors and 64 positive divisors. There are 147087360 positive integers (up to 644074920) that are relatively prime to 644074920.

Interesting facts

Basic properties

Name

Name six hundred forty-four million seventy-four thousand nine hundred twenty

Notation

Scientific notation 6.44074920 × 10^8
Engineering notation 6.44074920 × 10^6

Prime Factorization of 644074920

Prime Factorization 2 × 2 × 2 × 5 × 493 × 171 × 191

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 161018730
Product of the distinct prime numbers

The prime factorization of 644074920 is 2 × 2 × 2 × 5 × 493 × 171 × 191. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 4, 68, 24, 752, 239, 7098, 9689, 41308, 47401, 691735, 701346, 5126231, 9585731, 31204323, 41799568, 680182564, 271958735, 2429170862, 205148794

Basic calculations (n = 644074920)

Multiplication

n×y
n×2 1288149840
n×3 1932224760
n×4 2576299680
n×5 3220374600

Division

n÷y
n÷2 322037460
n÷3 214691640
n÷3 161018730
n÷5 128814984

Exponentiation

ny
n2 414832502573006400
n3 2.6718321090811E+26
n4 1.7208600519098E+35
n5 1.108362800265E+44

Nth Root

y√n
2√n 25378.631168761
3√n 863.59899729879
4√n 159.30672041305
5√n 57.78129587566

Divisors of 644074920

1, 2, 4, 5, 8, 10, 20, 40, 171, 191, 342, 382, 493, 684, 764, 855, 955, 986, 1368, 1528, 1710, 1910, 1972, 2465, 3420, 3820, 3944, 4930, 6840, 7640, 9860, 19720, 32661, 65322, 84303, 94163, 130644, 163305, 168606, 188326, 261288, 326610, 337212, 376652, 421515, 470815, 653220, 674424, 753304, 843030, 941630, 1306440, 1686060, 1883260, 3372120, 3766520, 16101873, 32203746, 64407492, 80509365, 128814984, 161018730, 322037460, 644074920

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -644074919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 644074920 can be divided by 64 positive divisors. The sum of these divisors (counting 644074920) is 1, the average is 0.015625.

Base conversion 644074920

Base System Value
2 Binary 100110011000111100110110101000
3 Ternary 1122212221101200200
4 Quaternary 212120330312220
5 Quinary 2304340344140
6 Senary 143524432200
8 Octal 4630746650
10 Decimal 644074920
12 Duodecimal 15b848660
16 Hexadecimal 2663cda8
20 Vigesimal a159760
36 Base36 angre0

Cryptographic Hash Functions

md5 4e9ba9bb9d8721fa6a9b06014701e86c
sha1 b0d97dfccb850d45ca2dad949398b9effcc2345d
sha256 a2ac5497cb2b6829aac01a4aff568ea3d2a2021d66992e1ebe92d42159bbcee8
sha512 f12b24a33ede73fd658d1d05bbb82428a39e82777c98879ccce5cf3402259129191ab3d4cbf7c8992a5b6f2cc6b27b632ae64b0abd05b8ae23de31aff2d6481f
ripemd-160 aabb97d79d5e2125d400c5499977578e0dd8711e

644074920 as geometric shapes

Circle

Radius = n
Diameter 1288149840
Circumference 4046842074.0669
Area 1.3032347425536E+18

Sphere

Radius = n
Volume 1.1191744167353E+27
Surface area 5.2129389702145E+18
Circumference 4046842074.0669

Square

Length = n
Perimeter 2576299680
Area 414832502573006400
Diagonal 910859487.04837

Cube

Length = n
Surface area 2488995015438038400
Volume 2.6718321090811E+26
Space diagonal 1115570485.3209

Equilateral Triangle

Length = n
Perimeter 1932224760
Area 1.7962774277185E+17
Altitude 557785242.66043

Triangular Pyramid

Length = n
Surface area 1.7962774277185E+17
Volume 3.1487843375387E+25
Height 303619829.01612