643445401 (number)

643445401 is an odd 9-digits composite number following 643445400 and preceding 643445402. In scientific notation, it is written as 6.43445401 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 615469492 positive integers (up to 643445401) that are relatively prime to 643445401.

Interesting facts

Basic properties

Name

Name six hundred forty-three million four hundred forty-five thousand four hundred one

Notation

Scientific notation 6.43445401 × 10^8
Engineering notation 6.43445401 × 10^6

Prime Factorization of 643445401

Prime Factorization 23 × 27975887

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 643445401
Product of the distinct prime numbers

The prime factorization of 643445401 is 23 × 27975887. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 46, 34, 509, 69, 2054, 7101, 17051, 60283, 244082, 797066, 3158981, 2397540, 95753965, 93821287, 381802162, 7093918, 1823971051, 702821005

Basic calculations (n = 643445401)

Multiplication

n×y
n×2 1286890802
n×3 1930336203
n×4 2573781604
n×5 3217227005

Division

n÷y
n÷2 321722700.5
n÷3 214481800.33333
n÷3 160861350.25
n÷5 128689080.2

Exponentiation

ny
n2 414021984068050801
n3 2.6640054156148E+26
n4 1.7141420329165E+35
n5 1.1029568077409E+44

Nth Root

y√n
2√n 25366.225596253
3√n 863.31754495094
4√n 159.26777952949
5√n 57.769996366314

Divisors of 643445401

1, 23, 27975887, 643445401

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -643445400
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 643445401 can be divided by 4 positive divisors. The sum of these divisors (counting 643445401) is 1, the average is 0.25.

Base conversion 643445401

Base System Value
2 Binary 100110010110100011001010011001
3 Ternary 1122211202102011011
4 Quaternary 212112203022121
5 Quinary 2304210223101
6 Senary 143503133521
8 Octal 4626431231
10 Decimal 643445401
12 Duodecimal 15b5a42a1
16 Hexadecimal 265a3299
20 Vigesimal a11ada1
36 Base36 an39nd

Cryptographic Hash Functions

md5 b699c9700b1935e46f07ebb7f9ce6d7c
sha1 0117e031c1c234ffa3944b2698a2b5d7efb98408
sha256 d017f9685f2c286fb40c85a2b018953ac0920d176e73be8542704a27b962fdab
sha512 8ac051688b2b1655fe93a8df80efeee44d828ea31f09c454e656651cc8d634a16039701fe10bf3b493c38a5f8df76a4bc2f056b6746e9a2636bcbf8148dc173a
ripemd-160 45f1a577ec51f417cea20af31de16bd97624382c

643445401 as geometric shapes

Circle

Radius = n
Diameter 1286890802
Circumference 4042886689.5355
Area 1.3006884235729E+18

Sphere

Radius = n
Volume 1.1158959790425E+27
Surface area 5.2027536942914E+18
Circumference 4042886689.5355

Square

Length = n
Perimeter 2573781604
Area 414021984068050801
Diagonal 909969212.74079

Cube

Length = n
Surface area 2484131904408304806
Volume 2.6640054156148E+26
Space diagonal 1114480126.4285

Equilateral Triangle

Length = n
Perimeter 1930336203
Area 1.7927677796408E+17
Altitude 557240063.21426

Triangular Pyramid

Length = n
Surface area 1.7927677796408E+17
Volume 3.1395604908316E+25
Height 303323070.9136