638045478 (number)

638045478 is an even 9-digits composite number following 638045477 and preceding 638045479. In scientific notation, it is written as 6.38045478 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 182012832 positive integers (up to 638045478) that are relatively prime to 638045478.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38045478 × 10^8
Engineering notation 6.38045478 × 10^6

Prime Factorization of 638045478

Prime Factorization 2 × 189 × 1069 × 1579

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638045478
Product of the distinct prime numbers

The prime factorization of 638045478 is 2 × 189 × 1069 × 1579. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 25, 23, 628, 963, 3242, 7528, 6331, 87209, 438565, 331291, 4296186, 463405, 36147531, 84383063, 678782324, 813187661, 5542853183, 8471279414

Basic calculations (n = 638045478)

Multiplication

n×y
n×2 1276090956
n×3 1914136434
n×4 2552181912
n×5 3190227390

Division

n÷y
n÷2 319022739
n÷3 212681826
n÷3 159511369.5
n÷5 127609095.6

Exponentiation

ny
n2 407102031996248484
n3 2.5974961059982E+26
n4 1.6573206445547E+35
n5 1.0574459428542E+44

Nth Root

y√n
2√n 25259.562110219
3√n 860.89571270243
4√n 158.93257095454
5√n 57.672705741068

Divisors of 638045478

1, 2, 189, 378, 1069, 1579, 2138, 3158, 202041, 298431, 404082, 596862, 1687951, 3375902, 319022739, 638045478

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 -638045477
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 638045478 can be divided by 16 positive divisors. The sum of these divisors (counting 638045478) is 1, the average is 0.0625.

Base conversion 638045478

Base System Value
2 Binary 100110000001111100110100100110
3 Ternary 1122110121001212000
4 Quaternary 212001330310212
5 Quinary 2301314423403
6 Senary 143151310130
8 Octal 4601746446
10 Decimal 638045478
12 Duodecimal 15981b346
16 Hexadecimal 2607cd26
20 Vigesimal 9j7fddi
36 Base36 ajvj1i

Cryptographic Hash Functions

md5 fcf8273fd9085df1ceb0462050d2e9ef
sha1 d02dbd05af8b2df1d2b32dd1143bae5328d17053
sha256 ecef5431a0607ab38936abc115243b178aa6afe5680266cae70e92eea3ffa193
sha512 33ebadce23d9ddebef13a51288d9129a188525d5f6b11f6d5054ac0e6dd760816cbbd664cd629ab8ee98aba5b442cb3ea8d93b7494dd11fda13ee8abfa93751f
ripemd-160 de1c0b0d50c6c0b4b371ba30a7f916a767bb4513

638045478 as geometric shapes

Circle

Radius = n
Diameter 1276090956
Circumference 4008957972.682
Area 1.2789487529809E+18

Sphere

Radius = n
Volume 1.0880366245776E+27
Surface area 5.1157950119236E+18
Circumference 4008957972.682

Square

Length = n
Perimeter 2552181912
Area 407102031996248484
Diagonal 902332568.39842

Cube

Length = n
Surface area 2442612191977490904
Volume 2.5974961059982E+26
Space diagonal 1105127185.4356

Equilateral Triangle

Length = n
Perimeter 1914136434
Area 1.7628035082051E+17
Altitude 552563592.71779

Triangular Pyramid

Length = n
Surface area 1.7628035082051E+17
Volume 3.0611785177616E+25
Height 300777522.79947