642738656 (number)

642738656 is an even 9-digits composite number following 642738655 and preceding 642738657. In scientific notation, it is written as 6.42738656 × 10^8. The sum of its digits is 47. It has a total of 7 prime factors and 24 positive divisors. There are 275459328 positive integers (up to 642738656) that are relatively prime to 642738656.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred thirty-eight thousand six hundred fifty-six

Notation

Scientific notation 6.42738656 × 10^8
Engineering notation 6.42738656 × 10^6

Prime Factorization of 642738656

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 2869369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 40171166
Product of the distinct prime numbers

The prime factorization of 642738656 is 2 × 2 × 2 × 2 × 2 × 7 × 2869369. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 4, 19, 97, 833, 374, 2785, 7624, 48504, 59543, 719756, 616669, 6942266, 9589427, 61812393, 23882681, 363454007, 220985121, 43862240, 1040468378

Basic calculations (n = 642738656)

Multiplication

n×y
n×2 1285477312
n×3 1928215968
n×4 2570954624
n×5 3213693280

Division

n÷y
n÷2 321369328
n÷3 214246218.66667
n÷3 160684664
n÷5 128547731.2

Exponentiation

ny
n2 413112979916686336
n3 2.6552368148781E+26
n4 1.7066233417564E+35
n5 1.0969127929788E+44

Nth Root

y√n
2√n 25352.290941846
3√n 863.0013467242
4√n 159.22402752677
5√n 57.757300151239

Divisors of 642738656

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 2869369, 5738738, 11477476, 20085583, 22954952, 40171166, 45909904, 80342332, 91819808, 160684664, 321369328, 642738656

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642738655
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642738656 can be divided by 24 positive divisors. The sum of these divisors (counting 642738656) is 1, the average is 0.041666666666667.

Base conversion 642738656

Base System Value
2 Binary 100110010011110110100111100000
3 Ternary 1122210102111200102
4 Quaternary 212103312213200
5 Quinary 2304020114111
6 Senary 143440041532
8 Octal 4623664740
10 Decimal 642738656
12 Duodecimal 15b3032a8
16 Hexadecimal 264f69e0
20 Vigesimal a0h26cg
36 Base36 amo4bk

Cryptographic Hash Functions

md5 6b940051740a0d2534fdd38744a31b6c
sha1 7ed6f167f58f86c6ff27584725ef33f8d54695ab
sha256 0b9b57c02ba8f369058af97742395bce4fdf71d0a8e753c834ca22fc17da9107
sha512 7a591bc0ea7391143a0b465627f5a63f526d1eff62bfdf295f916a8fb6f5a29ca235db15cbaad96903e38e7d9ac81f6e14b7967d86a875beecc0e53630f41e6e
ripemd-160 b876d87150d2595e04bb8545536385220e014119

642738656 as geometric shapes

Circle

Radius = n
Diameter 1285477312
Circumference 4038446079.7356
Area 1.2978327028088E+18

Sphere

Radius = n
Volume 1.1122229961549E+27
Surface area 5.1913308112354E+18
Circumference 4038446079.7356

Square

Length = n
Perimeter 2570954624
Area 413112979916686336
Diagonal 908969724.37666

Cube

Length = n
Surface area 2478677879500118016
Volume 2.6552368148781E+26
Space diagonal 1113256008.1805

Equilateral Triangle

Length = n
Perimeter 1928215968
Area 1.7888316762047E+17
Altitude 556628004.09027

Triangular Pyramid

Length = n
Surface area 1.7888316762047E+17
Volume 3.1292265957607E+25
Height 302989908.12555