638045408 (number)

638045408 is an even 9-digits composite number following 638045407 and preceding 638045409. In scientific notation, it is written as 6.38045408 × 10^8. The sum of its digits is 38. It has a total of 8 prime factors and 48 positive divisors. There are 229455360 positive integers (up to 638045408) that are relatively prime to 638045408.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million forty-five thousand four hundred eight

Notation

Scientific notation 6.38045408 × 10^8
Engineering notation 6.38045408 × 10^6

Prime Factorization of 638045408

Prime Factorization 2 × 2 × 2 × 2 × 2 × 91 × 11 × 19919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 39877838
Product of the distinct prime numbers

The prime factorization of 638045408 is 2 × 2 × 2 × 2 × 2 × 91 × 11 × 19919. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 3, 45, 69, 603, 452, 1924, 248, 18438, 41782, 536766, 252183, 5709539, 5127204, 18852469, 94204204, 296612349, 362437264, 9651043175, 3198810902

Basic calculations (n = 638045408)

Multiplication

n×y
n×2 1276090816
n×3 1914136224
n×4 2552181632
n×5 3190227040

Division

n÷y
n÷2 319022704
n÷3 212681802.66667
n÷3 159511352
n÷5 127609081.6

Exponentiation

ny
n2 407101942669886464
n3 2.597495251084E+26
n4 1.657319917256E+35
n5 1.0574453627921E+44

Nth Root

y√n
2√n 25259.560724605
3√n 860.89568121946
4√n 158.93256659541
5√n 57.672704475613

Divisors of 638045408

1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 91, 176, 182, 352, 364, 728, 1001, 1456, 2002, 2912, 4004, 8008, 16016, 19919, 32032, 39838, 79676, 159352, 219109, 318704, 438218, 637408, 876436, 1752872, 1812629, 3505744, 3625258, 7011488, 7250516, 14501032, 19938919, 29002064, 39877838, 58004128, 79755676, 159511352, 319022704, 638045408

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638045407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638045408 can be divided by 48 positive divisors. The sum of these divisors (counting 638045408) is 1, the average is 0.020833333333333.

Base conversion 638045408

Base System Value
2 Binary 100110000001111100110011100000
3 Ternary 1122110121001202102
4 Quaternary 212001330303200
5 Quinary 2301314423113
6 Senary 143151305532
8 Octal 4601746340
10 Decimal 638045408
12 Duodecimal 15981b2a8
16 Hexadecimal 2607cce0
20 Vigesimal 9j7fda8
36 Base36 ajvizk

Cryptographic Hash Functions

md5 e9f4ee279d2c5c9741516fdbdff62996
sha1 56ad66d9db3bbfe9bfe568140dcbdc4d56ce74e6
sha256 f2514ea96d4f18e2c8aa170ae2a5a57e56284a804f972c1efe0e85a605ec4bd6
sha512 bce972011fa0915de49086353d2cdf59e83b9703ca1f85b1d125b7a60c3fe8aa567832969f06bb83f1fa1e718f948a0cd3fb373cd695ab44fe6e5f19615051bb
ripemd-160 498e52401db9392db1a934fe3a737bdda477d035

638045408 as geometric shapes

Circle

Radius = n
Diameter 1276090816
Circumference 4008957532.859
Area 1.2789484723538E+18

Sphere

Radius = n
Volume 1.088036266472E+27
Surface area 5.1157938894154E+18
Circumference 4008957532.859

Square

Length = n
Perimeter 2552181632
Area 407101942669886464
Diagonal 902332469.40347

Cube

Length = n
Surface area 2442611656019318784
Volume 2.597495251084E+26
Space diagonal 1105127064.192

Equilateral Triangle

Length = n
Perimeter 1914136224
Area 1.7628031214106E+17
Altitude 552563532.09601

Triangular Pyramid

Length = n
Surface area 1.7628031214106E+17
Volume 3.0611775102356E+25
Height 300777489.80116