638021240 (number)

638021240 is an even 9-digits composite number following 638021239 and preceding 638021241. In scientific notation, it is written as 6.38021240 × 10^8. The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors. There are 249777792 positive integers (up to 638021240) that are relatively prime to 638021240.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million twenty-one thousand two hundred forty

Notation

Scientific notation 6.38021240 × 10^8
Engineering notation 6.38021240 × 10^6

Prime Factorization of 638021240

Prime Factorization 2 × 2 × 2 × 5 × 47 × 339373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 159505310
Product of the distinct prime numbers

The prime factorization of 638021240 is 2 × 2 × 2 × 5 × 47 × 339373. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 4, 93, 83, 7, 258, 80, 6045, 67777, 84337, 555892, 221720, 2025710, 6939720, 46185035, 63296059, 849911429, 113829207, 9133762338, 9187906424

Basic calculations (n = 638021240)

Multiplication

n×y
n×2 1276042480
n×3 1914063720
n×4 2552084960
n×5 3190106200

Division

n÷y
n÷2 319010620
n÷3 212673746.66667
n÷3 159505310
n÷5 127604248

Exponentiation

ny
n2 407071102691137600
n3 2.5972000970717E+26
n4 1.6570688264618E+35
n5 1.0572451074245E+44

Nth Root

y√n
2√n 25259.082326957
3√n 860.88481136116
4√n 158.93106155487
5√n 57.672267561555

Divisors of 638021240

1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 339373, 678746, 1357492, 1696865, 2714984, 3393730, 6787460, 13574920, 15950531, 31901062, 63802124, 79752655, 127604248, 159505310, 319010620, 638021240

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 -638021239
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 638021240 can be divided by 32 positive divisors. The sum of these divisors (counting 638021240) is 1, the average is 0.03125.

Base conversion 638021240

Base System Value
2 Binary 100110000001110110111001111000
3 Ternary 1122110112211121022
4 Quaternary 212001312321320
5 Quinary 2301313134430
6 Senary 143151002012
8 Octal 4601667170
10 Decimal 638021240
12 Duodecimal 159809308
16 Hexadecimal 26076e78
20 Vigesimal 9j7cd20
36 Base36 ajv0c8

Cryptographic Hash Functions

md5 03ec71bf66d83c9986e4a8cd2a14d427
sha1 099b0d1af418a87d511698dcf147948b4f10d1a8
sha256 cd843349dd03389a4fd4211579f2e919b64092aacce46f2a0d0ebd53c66ad9b7
sha512 7c5ecf2b846ee7064036ee6950995915fbb29b223e92b5a4b71945deefc0e6621a94de4b6cf21d4302abefa7a326cff6c3a2d2a9ec16f9f06326ae266d8dc3e2
ripemd-160 e4a052977e5e93faf676db5536d830edde87d9c5

638021240 as geometric shapes

Circle

Radius = n
Diameter 1276042480
Circumference 4008805680.8365
Area 1.2788515857032E+18

Sphere

Radius = n
Volume 1.0879126326484E+27
Surface area 5.1154063428127E+18
Circumference 4008805680.8365

Square

Length = n
Perimeter 2552084960
Area 407071102691137600
Diagonal 902298290.6901

Cube

Length = n
Surface area 2442426616146825600
Volume 2.5972000970717E+26
Space diagonal 1105085203.9881

Equilateral Triangle

Length = n
Perimeter 1914063720
Area 1.7626695803853E+17
Altitude 552542601.99405

Triangular Pyramid

Length = n
Surface area 1.7626695803853E+17
Volume 3.0608296678962E+25
Height 300766096.8967