642000385 (number)

642000385 is an odd 9-digits composite number following 642000384 and preceding 642000386. In scientific notation, it is written as 6.42000385 × 10^8. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 474092544 positive integers (up to 642000385) that are relatively prime to 642000385.

Interesting facts

Basic properties

Name

Name six hundred forty-two million three hundred eighty-five

Notation

Scientific notation 6.42000385 × 10^8
Engineering notation 6.42000385 × 10^6

Prime Factorization of 642000385

Prime Factorization 5 × 13 × 9876929

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642000385
Product of the distinct prime numbers

The prime factorization of 642000385 is 5 × 13 × 9876929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642000385)

Multiplication

n×y
n×2 1284000770
n×3 1926001155
n×4 2568001540
n×5 3210001925

Division

n÷y
n÷2 321000192.5
n÷3 214000128.33333
n÷3 160500096.25
n÷5 128400077

Exponentiation

ny
n2 412164494340148225
n3 2.6460976404971E+26
n4 1.6987957039467E+35
n5 1.0906274959701E+44

Nth Root

y√n
2√n 25337.726516008
3√n 862.67079611364
4√n 159.17828531558
5√n 57.744025659596

Divisors of 642000385

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 -642000384
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 642000385 can be divided by 8 positive divisors. The sum of these divisors (counting 642000385) is 1, the average is 0.125.

Base conversion 642000385

Base System Value
2 Binary 100110010001000010011000000001
3 Ternary 1122202000222222001
4 Quaternary 212101002120001
5 Quinary 2303323003020
6 Senary 143412144001
8 Octal 4621023001
10 Decimal 642000385
12 Duodecimal 15b008001
16 Hexadecimal 26442601
20 Vigesimal a0ca0j5
36 Base36 am8ao1

Cryptographic Hash Functions

md5 27ab3ec807331252e5c1999d842abacd
sha1 d662a690c64d827705badb9fb799542a42c54a98
sha256 b140b213b03a07076ad2845f403201addfe6b1d098cb923340db93c993b397ad
sha512 a8efb9b63ca3df6d396cd6b15239e623480189dbe3179974280c9acf91ff7ce6335edca9ac956199f6dd32751b60dccac4e84c96ee03e708eb2da68a276230de
ripemd-160 1f3ef0c885ab9c7b53d5e7cbe9a869e3ac55ee57

642000385 as geometric shapes

Circle

Radius = n
Diameter 1284000770
Circumference 4033807386.2356
Area 1.2948529474896E+18

Sphere

Radius = n
Volume 1.1083947877422E+27
Surface area 5.1794117899582E+18
Circumference 4033807386.2356

Square

Length = n
Perimeter 2568001540
Area 412164494340148225
Diagonal 907925651.51575

Cube

Length = n
Surface area 2472986966040889350
Volume 2.6460976404971E+26
Space diagonal 1111977285.2988

Equilateral Triangle

Length = n
Perimeter 1926001155
Area 1.7847246131827E+17
Altitude 555988642.64939

Triangular Pyramid

Length = n
Surface area 1.7847246131827E+17
Volume 3.118455975462E+25
Height 302641883.83858