642243388 (number)

642243388 is an even 9-digits composite number following 642243387 and preceding 642243389. In scientific notation, it is written as 6.42243388 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors. There are 321121692 positive integers (up to 642243388) that are relatively prime to 642243388.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42243388 × 10^8
Engineering notation 6.42243388 × 10^6

Prime Factorization of 642243388

Prime Factorization 2 × 2 × 160560847

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 321121694
Product of the distinct prime numbers

The prime factorization of 642243388 is 2 × 2 × 160560847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 8, 10, 912, 861, 1978, 7671, 57557, 54879, 90166, 425754, 1711101, 5645002, 99853610, 49314293, 552479515, 153709768, 5675488140, 6901344960

Basic calculations (n = 642243388)

Multiplication

n×y
n×2 1284486776
n×3 1926730164
n×4 2568973552
n×5 3211216940

Division

n÷y
n÷2 321121694
n÷3 214081129.33333
n÷3 160560847
n÷5 128448677.6

Exponentiation

ny
n2 412476569429718544
n3 2.6491034942116E+26
n4 1.7013692032851E+35
n5 1.0926931213567E+44

Nth Root

y√n
2√n 25342.521342597
3√n 862.7796253048
4√n 159.19334578618
5√n 57.748396325965

Divisors of 642243388

1, 2, 4, 160560847, 321121694, 642243388

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642243387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642243388 can be divided by 6 positive divisors. The sum of these divisors (counting 642243388) is 1, the average is 0.16666666666667.

Base conversion 642243388

Base System Value
2 Binary 100110010001111101101100111100
3 Ternary 1122202111100022011
4 Quaternary 212101331230330
5 Quinary 2303403242023
6 Senary 143421301004
8 Octal 4621755474
10 Decimal 642243388
12 Duodecimal 15b104764
16 Hexadecimal 2647db3c
20 Vigesimal a0e0898
36 Base36 amdi64

Cryptographic Hash Functions

md5 d312de2b3d0125db1f925af420865efb
sha1 d6b01eea664a8923b6065c415d50fe7c08e6692d
sha256 a8bcd19746a9f2c3d19b6c1fdca3731675d51914b5ec64cad809c771de3fb7b8
sha512 f7e4b88c8967836b5fd8064b8503321827b97414c7004847de6788a778efafb3f35c675746e189ddf571eac4b671455fe05599b83e5a084604cac3215ad34fbb
ripemd-160 352c7fb1a2627e81ed3ceebe2b6a9f4e91035d0a

642243388 as geometric shapes

Circle

Radius = n
Diameter 1284486776
Circumference 4035334219.1148
Area 1.2958333602983E+18

Sphere

Radius = n
Volume 1.1096538768019E+27
Surface area 5.1833334411933E+18
Circumference 4035334219.1148

Square

Length = n
Perimeter 2568973552
Area 412476569429718544
Diagonal 908269309.65405

Cube

Length = n
Surface area 2474859416578311264
Volume 2.6491034942116E+26
Space diagonal 1112398178.8412

Equilateral Triangle

Length = n
Perimeter 1926730164
Area 1.78607593796E+17
Altitude 556199089.42059

Triangular Pyramid

Length = n
Surface area 1.78607593796E+17
Volume 3.1219984080367E+25
Height 302756436.55135