642912394 (number)

642912394 is an even 9-digits composite number following 642912393 and preceding 642912395. In scientific notation, it is written as 6.42912394 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 320841036 positive integers (up to 642912394) that are relatively prime to 642912394.

Interesting facts

Basic properties

Name

Name six hundred forty-two million nine hundred twelve thousand three hundred ninety-four

Notation

Scientific notation 6.42912394 × 10^8
Engineering notation 6.42912394 × 10^6

Prime Factorization of 642912394

Prime Factorization 2 × 523 × 614639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642912394
Product of the distinct prime numbers

The prime factorization of 642912394 is 2 × 523 × 614639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 67, 11, 310, 18, 4336, 8465, 69071, 48629, 769038, 795649, 7767915, 9469425, 65803331, 74385300, 581530949, 433767486, 7266837434, 912915243

Basic calculations (n = 642912394)

Multiplication

n×y
n×2 1285824788
n×3 1928737182
n×4 2571649576
n×5 3214561970

Division

n÷y
n÷2 321456197
n÷3 214304131.33333
n÷3 160728098.5
n÷5 128582478.8

Exponentiation

ny
n2 413336346358811236
n3 2.6573905996476E+26
n4 1.7084693522125E+35
n5 1.0983961213066E+44

Nth Root

y√n
2√n 25355.717185676
3√n 863.07909870987
4√n 159.23478635548
5√n 57.760422276512

Divisors of 642912394

1, 2, 523, 1046, 614639, 1229278, 321456197, 642912394

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 -642912393
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 642912394 can be divided by 8 positive divisors. The sum of these divisors (counting 642912394) is 1, the average is 0.125.

Base conversion 642912394

Base System Value
2 Binary 100110010100100001000010001010
3 Ternary 1122210202100000011
4 Quaternary 212110201002022
5 Quinary 2304041144034
6 Senary 143443502134
8 Octal 4624410212
10 Decimal 642912394
12 Duodecimal 15b38794a
16 Hexadecimal 2652108a
20 Vigesimal a0i40je
36 Base36 amrudm

Cryptographic Hash Functions

md5 d2859fc205c319d3fa1eb5c92e496e4b
sha1 2e21eeffa91a956c7d2f0f493497525fa78a4ecc
sha256 f155f261ff839ce2820880752ddd9ce2f05e1951f25256f0833ff1c16a39d214
sha512 9106b7f3e8aa70d4a8e3c03086b7c2474e2a39d791be724eeabe694dfec5dc7401bdf272398b85867410fe312588a17269b8c0eb140d069413bfc330ae2abd9d
ripemd-160 8214f58ecc00f85f14af42322d8b6d2be5945b29

642912394 as geometric shapes

Circle

Radius = n
Diameter 1285824788
Circumference 4039537707.7845
Area 1.2985344291825E+18

Sphere

Radius = n
Volume 1.1131251714095E+27
Surface area 5.19413771673E+18
Circumference 4039537707.7845

Square

Length = n
Perimeter 2571649576
Area 413336346358811236
Diagonal 909215427.01255

Cube

Length = n
Surface area 2480018078152867416
Volume 2.6573905996476E+26
Space diagonal 1113556931.2237

Equilateral Triangle

Length = n
Perimeter 1928737182
Area 1.7897988812709E+17
Altitude 556778465.61187

Triangular Pyramid

Length = n
Surface area 1.7897988812709E+17
Volume 3.1317648554536E+25
Height 303071809.00418