638994008 (number)

638994008 is an even 9-digits composite number following 638994007 and preceding 638994009. In scientific notation, it is written as 6.38994008 × 10^8. The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors. There are 314728128 positive integers (up to 638994008) that are relatively prime to 638994008.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-four thousand eight

Notation

Scientific notation 6.38994008 × 10^8
Engineering notation 6.38994008 × 10^6

Prime Factorization of 638994008

Prime Factorization 2 × 2 × 2 × 67 × 1192153

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159748502
Product of the distinct prime numbers

The prime factorization of 638994008 is 2 × 2 × 2 × 67 × 1192153. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 4, 24, 88, 761, 6, 1519, 75, 24377, 1900, 359605, 681268, 2919787, 307957, 6528559, 99719574, 538793206, 756225855, 3824730923, 8102739058

Basic calculations (n = 638994008)

Multiplication

n×y
n×2 1277988016
n×3 1916982024
n×4 2555976032
n×5 3194970040

Division

n÷y
n÷2 319497004
n÷3 212998002.66667
n÷3 159748502
n÷5 127798801.6

Exponentiation

ny
n2 408313342259904064
n3 2.6090977909053E+26
n4 1.6671978546745E+35
n5 1.0653294392875E+44

Nth Root

y√n
2√n 25278.330799323
3√n 861.32210921185
4√n 158.99160606561
5√n 57.689843011902

Divisors of 638994008

1, 2, 4, 8, 67, 134, 268, 536, 1192153, 2384306, 4768612, 9537224, 79874251, 159748502, 319497004, 638994008

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638994007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638994008 can be divided by 16 positive divisors. The sum of these divisors (counting 638994008) is 1, the average is 0.0625.

Base conversion 638994008

Base System Value
2 Binary 100110000101100100011001011000
3 Ternary 1122112101020222202
4 Quaternary 212011210121120
5 Quinary 2302040302013
6 Senary 143223505332
8 Octal 4605443130
10 Decimal 638994008
12 Duodecimal 159bb8248
16 Hexadecimal 26164658
20 Vigesimal 9jde508
36 Base36 akfuxk

Cryptographic Hash Functions

md5 0ba5512eae8c6c19f40946c1d1c88a63
sha1 457ff10a23dbe85dbd924e5a35bc319164593319
sha256 518858060b556459bf8a4e8625aa22c20c8c2918bde3a60ad051bfd297bb6a47
sha512 6c32dc4cbf2580b000512498072d25b1905de994fe956487d4a5aa8fad62acbd750e1bb70a34a87434b2092d64d60e79b2b3bb30154ba612690699e0eb3ac19f
ripemd-160 68a24a21335ee4adb5491e2568f5c6688843b947

638994008 as geometric shapes

Circle

Radius = n
Diameter 1277988016
Circumference 4014917762.4414
Area 1.2827541964064E+18

Sphere

Radius = n
Volume 1.0928963269874E+27
Surface area 5.1310167856256E+18
Circumference 4014917762.4414

Square

Length = n
Perimeter 2555976032
Area 408313342259904064
Diagonal 903673992.38874

Cube

Length = n
Surface area 2449880053559424384
Volume 2.6090977909053E+26
Space diagonal 1106770087.5881

Equilateral Triangle

Length = n
Perimeter 1916982024
Area 1.768048635506E+17
Altitude 553385043.79404

Triangular Pyramid

Length = n
Surface area 1.768048635506E+17
Volume 3.0748512345467E+25
Height 301224664.12958