638540439 (number)

638540439 is an odd 9-digits composite number following 638540438 and preceding 638540440. In scientific notation, it is written as 6.38540439 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 425693624 positive integers (up to 638540439) that are relatively prime to 638540439.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred forty thousand four hundred thirty-nine

Notation

Scientific notation 6.38540439 × 10^8
Engineering notation 6.38540439 × 10^6

Prime Factorization of 638540439

Prime Factorization 3 × 212846813

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638540439
Product of the distinct prime numbers

The prime factorization of 638540439 is 3 × 212846813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 84, 94, 109, 219, 3844, 1800, 45284, 76504, 235953, 873041, 3221295, 3515612, 74942844, 4003905, 242824157, 114576757, 1575823583, 4039382740

Basic calculations (n = 638540439)

Multiplication

n×y
n×2 1277080878
n×3 1915621317
n×4 2554161756
n×5 3192702195

Division

n÷y
n÷2 319270219.5
n÷3 212846813
n÷3 159635109.75
n÷5 127708087.8

Exponentiation

ny
n2 407733892238312721
n3 2.6035457854503E+26
n4 1.662469268798E+35
n5 1.0615538567223E+44

Nth Root

y√n
2√n 25269.357708497
3√n 861.11826719671
4√n 158.96338480448
5√n 57.681650835898

Divisors of 638540439

1, 3, 212846813, 638540439

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638540438
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638540439 can be divided by 4 positive divisors. The sum of these divisors (counting 638540439) is 1, the average is 0.25.

Base conversion 638540439

Base System Value
2 Binary 100110000011110101101010010111
3 Ternary 1122111112012210220
4 Quaternary 212003311222113
5 Quinary 2301431243224
6 Senary 143210045423
8 Octal 4603655227
10 Decimal 638540439
12 Duodecimal 159a19873
16 Hexadecimal 260f5a97
20 Vigesimal 9jahb1j
36 Base36 ak64yf

Cryptographic Hash Functions

md5 1acc13c1d48f14279763bc5d0259500e
sha1 7e8a97f13a8398007f0a19d44b2bc296062e7f31
sha256 e1dd1b97208a9de4c522b7fc333099b57e918953110c1b289867db20cb4dc1de
sha512 1b7448abaf0d59ca94ffc872136a91373054a57eb267645981521f1a8663b8ce066ed2fd3b77e0ee938c188865453a9b1f7565d8774267327592c4e3620dc879
ripemd-160 fc15328e453f1ad443c266de09a394210e94d7ab

638540439 as geometric shapes

Circle

Radius = n
Diameter 1277080878
Circumference 4012067904.3648
Area 1.2809338004755E+18

Sphere

Radius = n
Volume 1.0905707083807E+27
Surface area 5.1237352019018E+18
Circumference 4012067904.3648

Square

Length = n
Perimeter 2554161756
Area 407733892238312721
Diagonal 903032548.95747

Cube

Length = n
Surface area 2446403353429876326
Volume 2.6035457854503E+26
Space diagonal 1105984483.0353

Equilateral Triangle

Length = n
Perimeter 1915621317
Area 1.7655395433114E+17
Altitude 552992241.51767

Triangular Pyramid

Length = n
Surface area 1.7655395433114E+17
Volume 3.0683081333693E+25
Height 301010849.65249