638394039 (number)

638394039 is an odd 9-digits composite number following 638394038 and preceding 638394040. In scientific notation, it is written as 6.38394039 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 415698192 positive integers (up to 638394039) that are relatively prime to 638394039.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million three hundred ninety-four thousand thirty-nine

Notation

Scientific notation 6.38394039 × 10^8
Engineering notation 6.38394039 × 10^6

Prime Factorization of 638394039

Prime Factorization 3 × 129 × 1649597

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638394039
Product of the distinct prime numbers

The prime factorization of 638394039 is 3 × 129 × 1649597. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 35, 27, 519, 313, 7365, 4490, 89098, 1868, 295476, 22772, 8016316, 8641661, 88985395, 37159004, 370202346, 430202755, 3715812856, 4256183266

Basic calculations (n = 638394039)

Multiplication

n×y
n×2 1276788078
n×3 1915182117
n×4 2553576156
n×5 3191970195

Division

n÷y
n÷2 319197019.5
n÷3 212798013
n÷3 159598509.75
n÷5 127678807.8

Exponentiation

ny
n2 407546949030733521
n3 2.6017554287386E+26
n4 1.6609451566426E+35
n5 1.0603374871066E+44

Nth Root

y√n
2√n 25266.460753339
3√n 861.05245181396
4√n 158.95427252307
5√n 57.679005625753

Divisors of 638394039

1, 3, 129, 387, 1649597, 4948791, 212798013, 638394039

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 -638394038
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 638394039 can be divided by 8 positive divisors. The sum of these divisors (counting 638394039) is 1, the average is 0.125.

Base conversion 638394039

Base System Value
2 Binary 100110000011010001111010110111
3 Ternary 1122111020202222200
4 Quaternary 212003101322313
5 Quinary 2301412102124
6 Senary 143202555543
8 Octal 4603217267
10 Decimal 638394039
12 Duodecimal 159968bb3
16 Hexadecimal 260d1eb7
20 Vigesimal 9j9j51j
36 Base36 ak2zzr

Cryptographic Hash Functions

md5 dd495a7899f27416f269bb8a1a03a356
sha1 a898345e32feefae80fe72233eadbc20a88175cd
sha256 3c55c1efa886687eace37bf9b9469dc542d3fd684a07b29e51650a7436ee7f6a
sha512 983922d5f33d3b6cb1bf26baca22e6ea5def47f1189a43492458b583e6f2ee054944bfcebbe0f3cfdd2f90576cedec37940651205ae8a43067909a26d8f09b7e
ripemd-160 e4c8ccc82a40f36d8e686e169a7042f013c1299f

638394039 as geometric shapes

Circle

Radius = n
Diameter 1276788078
Circumference 4011148046.0358
Area 1.2803465010679E+18

Sphere

Radius = n
Volume 1.089820765515E+27
Surface area 5.1213860042715E+18
Circumference 4011148046.0358

Square

Length = n
Perimeter 2553576156
Area 407546949030733521
Diagonal 902825508.09194

Cube

Length = n
Surface area 2445281694184401126
Volume 2.6017554287386E+26
Space diagonal 1105730910.7971

Equilateral Triangle

Length = n
Perimeter 1915182117
Area 1.7647300554773E+17
Altitude 552865455.39855

Triangular Pyramid

Length = n
Surface area 1.7647300554773E+17
Volume 3.0661981777499E+25
Height 300941836.03065