639780909 (number)

639780909 is an odd 9-digits composite number following 639780908 and preceding 639780910. In scientific notation, it is written as 6.39780909 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 425423376 positive integers (up to 639780909) that are relatively prime to 639780909.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million seven hundred eighty thousand nine hundred nine

Notation

Scientific notation 6.39780909 × 10^8
Engineering notation 6.39780909 × 10^6

Prime Factorization of 639780909

Prime Factorization 3 × 389 × 548227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 639780909
Product of the distinct prime numbers

The prime factorization of 639780909 is 3 × 389 × 548227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 15, 97, 453, 950, 609, 2065, 1268, 60160, 228992, 655268, 6856711, 1609579, 75472235, 43690191, 67781915, 91312686, 9535472851, 5938849686

Basic calculations (n = 639780909)

Multiplication

n×y
n×2 1279561818
n×3 1919342727
n×4 2559123636
n×5 3198904545

Division

n÷y
n÷2 319890454.5
n÷3 213260303
n÷3 159945227.25
n÷5 127956181.8

Exponentiation

ny
n2 409319611520866281
n3 2.6187487313035E+26
n4 1.6754254437559E+35
n5 1.0719052133679E+44

Nth Root

y√n
2√n 25293.890744605
3√n 861.67552786218
4√n 159.04053176661
5√n 57.704044663092

Divisors of 639780909

1, 3, 389, 1167, 548227, 1644681, 213260303, 639780909

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639780908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639780909 can be divided by 8 positive divisors. The sum of these divisors (counting 639780909) is 1, the average is 0.125.

Base conversion 639780909

Base System Value
2 Binary 100110001000100100100000101101
3 Ternary 1122120212020102020
4 Quaternary 212020210200231
5 Quinary 2302240442114
6 Senary 143252420353
8 Octal 4610444055
10 Decimal 639780909
12 Duodecimal 15a3176b9
16 Hexadecimal 2622482d
20 Vigesimal 9jicc59
36 Base36 akwq3x

Cryptographic Hash Functions

md5 c1ad0a0c4bccc95ab8068caaca58915c
sha1 ba69011de26376bdb2be90f2c17a2bcd94a23672
sha256 1954f7ade299c3754ab3e9912faacc977718955f42772e0daf475fd357d29cfc
sha512 ce100da355852cea13248b6d384adb841521a5972544330d48c43eaa204e84ba80a2e35197b645c9726284df7c6ce6d613a52582ddf414412bbab3261fab1b1e
ripemd-160 8996eab58bdd43c6202ecc325f72ce01490d4cc9

639780909 as geometric shapes

Circle

Radius = n
Diameter 1279561818
Circumference 4019862007.2428
Area 1.2859154845242E+18

Sphere

Radius = n
Volume 1.0969389034481E+27
Surface area 5.1436619380967E+18
Circumference 4019862007.2428

Square

Length = n
Perimeter 2559123636
Area 409319611520866281
Diagonal 904786838.45519

Cube

Length = n
Surface area 2455917669125197686
Volume 2.6187487313035E+26
Space diagonal 1108133040.1006

Equilateral Triangle

Length = n
Perimeter 1919342727
Area 1.7724059092212E+17
Altitude 554066520.0503

Triangular Pyramid

Length = n
Surface area 1.7724059092212E+17
Volume 3.0862249768806E+25
Height 301595612.8184