638394038 (number)

638394038 is an even 9-digits composite number following 638394037 and preceding 638394039. In scientific notation, it is written as 6.38394038 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 319155120 positive integers (up to 638394038) that are relatively prime to 638394038.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38394038 × 10^8
Engineering notation 6.38394038 × 10^6

Prime Factorization of 638394038

Prime Factorization 2 × 10009 × 31891

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638394038
Product of the distinct prime numbers

The prime factorization of 638394038 is 2 × 10009 × 31891. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 1, 99, 82, 877, 434, 7494, 4522, 99579, 2752, 298610, 938357, 9346507, 1932039, 41863989, 2017344, 822401900, 100486724, 5166638287, 6939635673

Basic calculations (n = 638394038)

Multiplication

n×y
n×2 1276788076
n×3 1915182114
n×4 2553576152
n×5 3191970190

Division

n÷y
n÷2 319197019
n÷3 212798012.66667
n÷3 159598509.5
n÷5 127678807.6

Exponentiation

ny
n2 407546947753945444
n3 2.6017554165122E+26
n4 1.6609451462356E+35
n5 1.0603374788018E+44

Nth Root

y√n
2√n 25266.46073355
3√n 861.05245136436
4√n 158.95427246082
5√n 57.679005607683

Divisors of 638394038

1, 2, 10009, 20018, 31891, 63782, 319197019, 638394038

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 -638394037
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 638394038 can be divided by 8 positive divisors. The sum of these divisors (counting 638394038) is 1, the average is 0.125.

Base conversion 638394038

Base System Value
2 Binary 100110000011010001111010110110
3 Ternary 1122111020202222122
4 Quaternary 212003101322312
5 Quinary 2301412102123
6 Senary 143202555542
8 Octal 4603217266
10 Decimal 638394038
12 Duodecimal 159968bb2
16 Hexadecimal 260d1eb6
20 Vigesimal 9j9j51i
36 Base36 ak2zzq

Cryptographic Hash Functions

md5 6ff70626fab7c2ad0d098eb0eba16bf4
sha1 245870c42fc791c3ddee99da460484c168f14127
sha256 2f1b645a5fdbe69e82f7a5e427afb1909ef134f75e69aae723b5a42280e6a92c
sha512 9bd6c1ae9c95860cae048ba921727db382628152e3b9247d1c2bd7c1c39b035e2d0195869ee15242417fcf8b2095192a21ebb159fb9f8025b63e3e261679c4b0
ripemd-160 a3003641119d7052b6d4a5b2beadc8c83d3ea459

638394038 as geometric shapes

Circle

Radius = n
Diameter 1276788076
Circumference 4011148039.7526
Area 1.2803464970567E+18

Sphere

Radius = n
Volume 1.0898207603936E+27
Surface area 5.121385988227E+18
Circumference 4011148039.7526

Square

Length = n
Perimeter 2553576152
Area 407546947753945444
Diagonal 902825506.67773

Cube

Length = n
Surface area 2445281686523672664
Volume 2.6017554165122E+26
Space diagonal 1105730909.0651

Equilateral Triangle

Length = n
Perimeter 1915182114
Area 1.7647300499486E+17
Altitude 552865454.53253

Triangular Pyramid

Length = n
Surface area 1.7647300499486E+17
Volume 3.066198163341E+25
Height 300941835.55924