643640982 (number)

643640982 is an even 9-digits composite number following 643640981 and preceding 643640983. In scientific notation, it is written as 6.43640982 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 214498152 positive integers (up to 643640982) that are relatively prime to 643640982.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.43640982 × 10^8
Engineering notation 6.43640982 × 10^6

Prime Factorization of 643640982

Prime Factorization 2 × 3 × 5743 × 18679

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 643640982
Product of the distinct prime numbers

The prime factorization of 643640982 is 2 × 3 × 5743 × 18679. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 65, 83, 178, 270, 9060, 8241, 28131, 17484, 18146, 556989, 3568376, 926091, 61710803, 75063751, 358095980, 936548262, 346029535, 6045318959

Basic calculations (n = 643640982)

Multiplication

n×y
n×2 1287281964
n×3 1930922946
n×4 2574563928
n×5 3218204910

Division

n÷y
n÷2 321820491
n÷3 214546994
n÷3 160910245.5
n÷5 128728196.4

Exponentiation

ny
n2 414273713709924324
n3 2.6664353990904E+26
n4 1.7162270987101E+35
n5 1.1046340951488E+44

Nth Root

y√n
2√n 25370.080449222
3√n 863.40500712655
4√n 159.27988086768
5√n 57.773507881092

Divisors of 643640982

1, 2, 3, 6, 5743, 11486, 17229, 18679, 34458, 37358, 56037, 112074, 107273497, 214546994, 321820491, 643640982

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 -643640981
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 643640982 can be divided by 16 positive divisors. The sum of these divisors (counting 643640982) is 1, the average is 0.0625.

Base conversion 643640982

Base System Value
2 Binary 100110010111010010111010010110
3 Ternary 1122212010100102220
4 Quaternary 212113102322112
5 Quinary 2304233002412
6 Senary 143511243210
8 Octal 4627227226
10 Decimal 643640982
12 Duodecimal 15b679506
16 Hexadecimal 265d2e96
20 Vigesimal a12f292
36 Base36 an7gk6

Cryptographic Hash Functions

md5 25d188388e5c54bbd4b65ef40a855c14
sha1 d0328d44e57e29100473c3ae4f6eae74922a8ae9
sha256 b97d1f9039b73e52fa9fafbad07abf5eb303c83c63adb032c9f5b0db013f8281
sha512 5391d98203b5e11a8aaa5f6ae4598d15929adc47057707a9e41cf2e4bf15ef66e0456e5da4212d420055181da6ce603ad8cb2327b7a35c5b621e2f373720ed86
ripemd-160 b647fc5ba0abd29e0d5ae51130b87e6b0b5fbada

643640982 as geometric shapes

Circle

Radius = n
Diameter 1287281964
Circumference 4044115561.201
Area 1.3014792555665E+18

Sphere

Radius = n
Volume 1.1169138481406E+27
Surface area 5.2059170222658E+18
Circumference 4044115561.201

Square

Length = n
Perimeter 2574563928
Area 414273713709924324
Diagonal 910245806.04354

Cube

Length = n
Surface area 2485642282259545944
Volume 2.6664353990904E+26
Space diagonal 1114818882.6575

Equilateral Triangle

Length = n
Perimeter 1930922946
Area 1.7938578009646E+17
Altitude 557409441.32876

Triangular Pyramid

Length = n
Surface area 1.7938578009646E+17
Volume 3.1424242538212E+25
Height 303415268.68118