642747 (number)

642747 is an odd 6-digits composite number following 642746 and preceding 642748. In scientific notation, it is written as 6.42747 × 10^5. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 362880 positive integers (up to 642747) that are relatively prime to 642747.

Interesting facts

Basic properties

Name

Name six hundred forty-two thousand seven hundred forty-seven

Notation

Scientific notation 6.42747 × 10^5
Engineering notation 6.42747 × 10^3

Prime Factorization of 642747

Prime Factorization 3 × 7 × 127 × 241

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642747
Product of the distinct prime numbers

The prime factorization of 642747 is 3 × 7 × 127 × 241. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642747)

Multiplication

n×y
n×2 1285494
n×3 1928241
n×4 2570988
n×5 3213735

Division

n÷y
n÷2 321373.5
n÷3 214249
n÷3 160686.75
n÷5 128549.4

Exponentiation

ny
n2 413123706009
n3 265534022666166723
n4 1.7067119646661E+23
n5 1.0969839951532E+29

Nth Root

y√n
2√n 801.71503665579
3√n 86.300508118766
4√n 28.314572867267
5√n 14.50801552522

Divisors of 642747

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 -642746
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 642747 can be divided by 16 positive divisors. The sum of these divisors (counting 642747) is 1, the average is 0.0625.

Base conversion 642747

Base System Value
2 Binary 10011100111010111011
3 Ternary 1012122200110
4 Quaternary 2130322323
5 Quinary 131031442
6 Senary 21435403
8 Octal 2347273
10 Decimal 642747
12 Duodecimal 26bb63
16 Hexadecimal 9cebb
20 Vigesimal 406h7
36 Base36 dry3

Cryptographic Hash Functions

md5 c8ed297cd3f4c6d5020cfef52ca010de
sha1 6a63d47013988e61686201c5626292542c13bd41
sha256 8f190fdabbc95421f6039870de99d82d176ba8b228633b691f22eac2d14745c9
sha512 914195536942d14bead8bbd7bef2e4f34109edbee5da39bb50877a0a23e9e0ab275a41f306fb8e55b1a7d0c3fa038841473f9316c0cab0bc858ae8ea9dd760f4
ripemd-160 79783e9d1019ea0e0908a645d5362cc69c8cc85c

642747 as geometric shapes

Circle

Radius = n
Diameter 1285494
Circumference 4038498.5066338
Area 1297866399821.7

Sphere

Radius = n
Volume 1.1122663131816E+18
Surface area 5191465599286.7
Circumference 4038498.5066338

Square

Length = n
Perimeter 2570988
Area 413123706009
Diagonal 908981.52457462

Cube

Length = n
Surface area 2478742236054
Volume 265534022666166723
Space diagonal 1113270.4604125

Equilateral Triangle

Length = n
Perimeter 1928241
Area 178887812154.68
Altitude 556635.23020624

Triangular Pyramid

Length = n
Surface area 178887812154.68
Volume 3.1293484677165E+16
Height 302993.84152487