643749085 (number)

643749085 is an odd 9-digits composite number following 643749084 and preceding 643749086. In scientific notation, it is written as 6.43749085 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 441427920 positive integers (up to 643749085) that are relatively prime to 643749085.

Interesting facts

Basic properties

Name

Name six hundred forty-three million seven hundred forty-nine thousand eighty-five

Notation

Scientific notation 6.43749085 × 10^8
Engineering notation 6.43749085 × 10^6

Prime Factorization of 643749085

Prime Factorization 5 × 7 × 18392831

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 643749085
Product of the distinct prime numbers

The prime factorization of 643749085 is 5 × 7 × 18392831. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 15, 91, 47, 500, 6684, 3875, 6875, 10822, 312269, 39281, 3768001, 3917944, 23315035, 23243628, 568038129, 932129763, 8058269586, 5469651447

Basic calculations (n = 643749085)

Multiplication

n×y
n×2 1287498170
n×3 1931247255
n×4 2574996340
n×5 3218745425

Division

n÷y
n÷2 321874542.5
n÷3 214583028.33333
n÷3 160937271.25
n÷5 128749817

Exponentiation

ny
n2 414412884438337225
n3 2.6677791516939E+26
n4 1.717380387885E+35
n5 1.1055620532979E+44

Nth Root

y√n
2√n 25372.210881198
3√n 863.45334227462
4√n 159.28656842684
5√n 57.775448425635

Divisors of 643749085

1, 5, 7, 35, 18392831, 91964155, 128749817, 643749085

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 -643749084
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 643749085 can be divided by 8 positive divisors. The sum of these divisors (counting 643749085) is 1, the average is 0.125.

Base conversion 643749085

Base System Value
2 Binary 100110010111101101010011011101
3 Ternary 1122212022211201201
4 Quaternary 212113231103131
5 Quinary 2304244432320
6 Senary 143513435501
8 Octal 4627552335
10 Decimal 643749085
12 Duodecimal 15b70bb91
16 Hexadecimal 265ed4dd
20 Vigesimal a138ce5
36 Base36 an9rz1

Cryptographic Hash Functions

md5 cbd697826fc8079b30d5d753ceaad4a7
sha1 620d63f5d6c1c9b1718620fcd44ec0b2915b41cb
sha256 929b42cf645a371591d4772b449525305b59a2b871aadba01dd8223bdaed0299
sha512 6d80110b1dfda2fa7d3cae9a91bb0d2d4c9b54cee747ddb40fdbe855cf88e11293db22515350f2220fbbeac4b5945aa3721c5b8fe29ec52e6418186a5a8467e0
ripemd-160 633e033f502caf0d4157ac7e296f335fbf2a70cc

643749085 as geometric shapes

Circle

Radius = n
Diameter 1287498170
Circumference 4044794792.3823
Area 1.3019164733044E+18

Sphere

Radius = n
Volume 1.1174767179149E+27
Surface area 5.2076658932177E+18
Circumference 4044794792.3823

Square

Length = n
Perimeter 2574996340
Area 414412884438337225
Diagonal 910398686.77227

Cube

Length = n
Surface area 2486477306630023350
Volume 2.6677791516939E+26
Space diagonal 1115006122.546

Equilateral Triangle

Length = n
Perimeter 1931247255
Area 1.7944604278959E+17
Altitude 557503061.27299

Triangular Pyramid

Length = n
Surface area 1.7944604278959E+17
Volume 3.1440078814514E+25
Height 303466228.92409