642243387 (number)

642243387 is an odd 9-digits composite number following 642243386 and preceding 642243388. In scientific notation, it is written as 6.42243387 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 427408640 positive integers (up to 642243387) that are relatively prime to 642243387.

Interesting facts

Basic properties

Name

Name six hundred forty-two million two hundred forty-three thousand three hundred eighty-seven

Notation

Scientific notation 6.42243387 × 10^8
Engineering notation 6.42243387 × 10^6

Prime Factorization of 642243387

Prime Factorization 3 × 569 × 376241

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642243387
Product of the distinct prime numbers

The prime factorization of 642243387 is 3 × 569 × 376241. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 6, 18, 636, 273, 4719, 5170, 48012, 79028, 113054, 84289, 5359555, 6273101, 4013980, 57826829, 216456568, 916151607, 6363948274, 7416657714

Basic calculations (n = 642243387)

Multiplication

n×y
n×2 1284486774
n×3 1926730161
n×4 2568973548
n×5 3211216935

Division

n÷y
n÷2 321121693.5
n÷3 214081129
n÷3 160560846.75
n÷5 128448677.4

Exponentiation

ny
n2 412476568145231769
n3 2.6491034818373E+26
n4 1.7013691926887E+35
n5 1.0926931128498E+44

Nth Root

y√n
2√n 25342.521322868
3√n 862.77962485701
4√n 159.19334572421
5√n 57.748396307981

Divisors of 642243387

1, 3, 569, 1707, 376241, 1128723, 214081129, 642243387

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 -642243386
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 642243387 can be divided by 8 positive divisors. The sum of these divisors (counting 642243387) is 1, the average is 0.125.

Base conversion 642243387

Base System Value
2 Binary 100110010001111101101100111011
3 Ternary 1122202111100022010
4 Quaternary 212101331230323
5 Quinary 2303403242022
6 Senary 143421301003
8 Octal 4621755473
10 Decimal 642243387
12 Duodecimal 15b104763
16 Hexadecimal 2647db3b
20 Vigesimal a0e0897
36 Base36 amdi63

Cryptographic Hash Functions

md5 3097f253b4997a18739063193e3a9782
sha1 d3f9681d2514e4b32dcb1eea014c36515112f0f3
sha256 a6c6a3acb49a5043af2376a781a4d8aad9bdb66097d2c9314252485d44d2e549
sha512 f41d1c41d339c5a11fbb4c35d42b6dc136b7f578e186f8966254a01ab3147e5637fd26ee00140b8dacf844a8b3c85bf6a0550f70bf596a767b89f550c621d1cd
ripemd-160 78f2bda731b6773777890ea1b05237af20639f4f

642243387 as geometric shapes

Circle

Radius = n
Diameter 1284486774
Circumference 4035334212.8317
Area 1.295833356263E+18

Sphere

Radius = n
Volume 1.1096538716186E+27
Surface area 5.183333425052E+18
Circumference 4035334212.8317

Square

Length = n
Perimeter 2568973548
Area 412476568145231769
Diagonal 908269308.23983

Cube

Length = n
Surface area 2474859408871390614
Volume 2.6491034818373E+26
Space diagonal 1112398177.1091

Equilateral Triangle

Length = n
Perimeter 1926730161
Area 1.786075932398E+17
Altitude 556199088.55456

Triangular Pyramid

Length = n
Surface area 1.786075932398E+17
Volume 3.1219983934534E+25
Height 302756436.07994