642000388 (number)

642000388 is an even 9-digits composite number following 642000387 and preceding 642000389. In scientific notation, it is written as 6.42000388 × 10^8. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 320796000 positive integers (up to 642000388) that are relatively prime to 642000388.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42000388 × 10^8
Engineering notation 6.42000388 × 10^6

Prime Factorization of 642000388

Prime Factorization 2 × 2 × 1597 × 100501

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 321000194
Product of the distinct prime numbers

The prime factorization of 642000388 is 2 × 2 × 1597 × 100501. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 52, 76, 299, 611, 1228, 7960, 88226, 78589, 169649, 303361, 8242494, 916677, 24464129, 78200504, 395589090, 398447687, 9959134442, 9986137436

Basic calculations (n = 642000388)

Multiplication

n×y
n×2 1284000776
n×3 1926001164
n×4 2568001552
n×5 3210001940

Division

n÷y
n÷2 321000194
n÷3 214000129.33333
n÷3 160500097
n÷5 128400077.6

Exponentiation

ny
n2 412164498192150544
n3 2.6460976775919E+26
n4 1.6987957356999E+35
n5 1.0906275214521E+44

Nth Root

y√n
2√n 25337.726575208
3√n 862.67079745737
4√n 159.17828550153
5√n 57.744025713562

Divisors of 642000388

1, 2, 4, 1597, 3194, 6388, 100501, 201002, 402004, 160500097, 321000194, 642000388

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642000387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642000388 can be divided by 12 positive divisors. The sum of these divisors (counting 642000388) is 1, the average is 0.083333333333333.

Base conversion 642000388

Base System Value
2 Binary 100110010001000010011000000100
3 Ternary 1122202000222222011
4 Quaternary 212101002120010
5 Quinary 2303323003023
6 Senary 143412144004
8 Octal 4621023004
10 Decimal 642000388
12 Duodecimal 15b008004
16 Hexadecimal 26442604
20 Vigesimal a0ca0j8
36 Base36 am8ao4

Cryptographic Hash Functions

md5 9e34ebd237743c30f25704f389f4a5c1
sha1 37ab84edda5dc040e2836342058e20c08465f461
sha256 d41980348bf79ef39a9787cb06bd1f945150e09c0f9c768df8ae307655d644a8
sha512 ed5209d71ecd2047951243f77ced5583e921fe29516670460dec6bd04d78b92f525ccd9f18614aa58fb19bb18688c65987123b1afc4052ca81cd05269d95d823
ripemd-160 91a427e5a41ba488d2a611a64a9d658dc11546c4

642000388 as geometric shapes

Circle

Radius = n
Diameter 1284000776
Circumference 4033807405.0852
Area 1.294852959591E+18

Sphere

Radius = n
Volume 1.1083948032805E+27
Surface area 5.1794118383639E+18
Circumference 4033807405.0852

Square

Length = n
Perimeter 2568001552
Area 412164498192150544
Diagonal 907925655.75839

Cube

Length = n
Surface area 2472986989152903264
Volume 2.6460976775919E+26
Space diagonal 1111977290.4949

Equilateral Triangle

Length = n
Perimeter 1926001164
Area 1.7847246298623E+17
Altitude 555988645.24747

Triangular Pyramid

Length = n
Surface area 1.7847246298623E+17
Volume 3.1184560191786E+25
Height 302641885.2528