644628172 (number)

644628172 is an even 9-digits composite number following 644628171 and preceding 644628173. In scientific notation, it is written as 6.44628172 × 10^8. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 316673280 positive integers (up to 644628172) that are relatively prime to 644628172.

Interesting facts

Basic properties

Name

Name six hundred forty-four million six hundred twenty-eight thousand one hundred seventy-two

Notation

Scientific notation 6.44628172 × 10^8
Engineering notation 6.44628172 × 10^6

Prime Factorization of 644628172

Prime Factorization 2 × 2 × 67 × 409 × 5881

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 322314086
Product of the distinct prime numbers

The prime factorization of 644628172 is 2 × 2 × 67 × 409 × 5881. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 16, 82, 215, 513, 4884, 6014, 66729, 19556, 750040, 498072, 3771925, 2898105, 81252328, 12915816, 583521233, 971836496, 3786939433, 1249571822

Basic calculations (n = 644628172)

Multiplication

n×y
n×2 1289256344
n×3 1933884516
n×4 2578512688
n×5 3223140860

Division

n÷y
n÷2 322314086
n÷3 214876057.33333
n÷3 161157043
n÷5 128925634.4

Exponentiation

ny
n2 415545480136061584
n3 2.6787232324297E+26
n4 1.7267804606151E+35
n5 1.1131313317716E+44

Nth Root

y√n
2√n 25389.52878649
3√n 863.84619997576
4√n 159.34092000014
5√n 57.791219143362

Divisors of 644628172

1, 2, 4, 67, 134, 268, 409, 818, 1636, 5881, 11762, 23524, 27403, 54806, 109612, 394027, 788054, 1576108, 2405329, 4810658, 9621316, 161157043, 322314086, 644628172

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 -644628171
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 644628172 can be divided by 24 positive divisors. The sum of these divisors (counting 644628172) is 1, the average is 0.041666666666667.

Base conversion 644628172

Base System Value
2 Binary 100110011011000011111011001100
3 Ternary 1122220222111121111
4 Quaternary 212123003323030
5 Quinary 2310011100142
6 Senary 143544341404
8 Octal 4633037314
10 Decimal 644628172
12 Duodecimal 15ba74864
16 Hexadecimal 266c3ecc
20 Vigesimal a18ia8c
36 Base36 ansma4

Cryptographic Hash Functions

md5 0f1eabc36d72ae95311d5dda4cdcce06
sha1 70fa267b2ed1ee585a7443c637eeac1cb142a6b1
sha256 5219fdb827364bb090b2b51e3a5f6f8a5e93b666938e55e34194f3c7bc1945ba
sha512 dfa3c88edd9455cbd7e31c19e07379709f5721411a7031d4058abe4618cc6fbdd1441091c4f54a1210b2db9f6bf87ce5a6e61408dbd2e15fecaecd5b715cb47d
ripemd-160 ab75a83cada4c4a4bbae81166c477b758b808382

644628172 as geometric shapes

Circle

Radius = n
Diameter 1289256344
Circumference 4050318258.9044
Area 1.3054746276279E+18

Sphere

Radius = n
Volume 1.1220609637335E+27
Surface area 5.2218985105116E+18
Circumference 4050318258.9044

Square

Length = n
Perimeter 2578512688
Area 415545480136061584
Diagonal 911641903.53018

Cube

Length = n
Surface area 2493272880816369504
Volume 2.6787232324297E+26
Space diagonal 1116528745.8942

Equilateral Triangle

Length = n
Perimeter 1933884516
Area 1.7993647111282E+17
Altitude 558264372.94712

Triangular Pyramid

Length = n
Surface area 1.7993647111282E+17
Volume 3.1569056042883E+25
Height 303880634.51006