638209920 (number)

638209920 is an even 9-digits composite number following 638209919 and preceding 638209921. In scientific notation, it is written as 6.38209920 × 10^8. The sum of its digits is 39. It has a total of 10 prime factors and 64 positive divisors. There are 160169984 positive integers (up to 638209920) that are relatively prime to 638209920.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million two hundred nine thousand nine hundred twenty

Notation

Scientific notation 6.38209920 × 10^8
Engineering notation 6.38209920 × 10^6

Prime Factorization of 638209920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 15 × 17 × 19553

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 9972030
Product of the distinct prime numbers

The prime factorization of 638209920 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 15 × 17 × 19553. Since it has a total of 10 prime factors.

Most popular turbo-numbers

4, 8, 57, 32, 958, 433, 2885, 335, 32156, 93448, 247173, 795202, 6660525, 4884455, 24966880, 81915467, 957546873, 769138971, 7033806549, 8710539569

Basic calculations (n = 638209920)

Multiplication

n×y
n×2 1276419840
n×3 1914629760
n×4 2552839680
n×5 3191049600

Division

n÷y
n÷2 319104960
n÷3 212736640
n÷3 159552480
n÷5 127641984

Exponentiation

ny
n2 407311901986406400
n3 2.5995049638179E+26
n4 1.6590298549978E+35
n5 1.0588093110358E+44

Nth Root

y√n
2√n 25262.816945068
3√n 860.96966524315
4√n 158.94281029687
5√n 57.675678205526

Divisors of 638209920

1, 2, 4, 8, 15, 16, 17, 30, 32, 34, 60, 64, 68, 120, 128, 136, 240, 255, 272, 480, 510, 544, 960, 1020, 1088, 1920, 2040, 2176, 4080, 8160, 16320, 19553, 32640, 39106, 78212, 156424, 293295, 312848, 332401, 586590, 625696, 664802, 1173180, 1251392, 1329604, 2346360, 2502784, 2659208, 4692720, 4986015, 5318416, 9385440, 9972030, 10636832, 18770880, 19944060, 21273664, 37541760, 39888120, 42547328, 79776240, 159552480, 319104960, 638209920

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 -638209919
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 638209920 can be divided by 64 positive divisors. The sum of these divisors (counting 638209920) is 1, the average is 0.015625.

Base conversion 638209920

Base System Value
2 Binary 100110000010100100111110000000
3 Ternary 1122110220102102110
4 Quaternary 212002210332000
5 Quinary 2301340204140
6 Senary 143155015320
8 Octal 4602447600
10 Decimal 638209920
12 Duodecimal 15989a540
16 Hexadecimal 260a4f80
20 Vigesimal 9j8g4g0
36 Base36 ajz1xc

Cryptographic Hash Functions

md5 5502830e561786feec755901d8b75885
sha1 c3206329d390d618be416b0f795698a5f6dc2928
sha256 30b9c60c1a4887ee94cc64550f4efa95cedf20cfeeb9824ede7006a3d0bf901e
sha512 c9201b1bac2e1aa0b97e1eab3fc19523afca885a1677d7556247e751843b103a64f34b5f1a48029cda692d6b1fd51f09fa3c65009ce6ee29e0a0bc2110cb7b7d
ripemd-160 6f9c78219ef9d609910bb3556867657501108b8d

638209920 as geometric shapes

Circle

Radius = n
Diameter 1276419840
Circumference 4009991192.2403
Area 1.2796080790002E+18

Sphere

Radius = n
Volume 1.0888780929734E+27
Surface area 5.1184323160007E+18
Circumference 4009991192.2403

Square

Length = n
Perimeter 2552839680
Area 407311901986406400
Diagonal 902565124.50505

Cube

Length = n
Surface area 2443871411918438400
Volume 2.5995049638179E+26
Space diagonal 1105412007.3345

Equilateral Triangle

Length = n
Perimeter 1914629760
Area 1.7637122719199E+17
Altitude 552706003.66723

Triangular Pyramid

Length = n
Surface area 1.7637122719199E+17
Volume 3.0635459794062E+25
Height 300855041.50168