638045278 (number)

638045278 is an even 9-digits composite number following 638045277 and preceding 638045279. In scientific notation, it is written as 6.38045278 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 294225120 positive integers (up to 638045278) that are relatively prime to 638045278.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38045278 × 10^8
Engineering notation 6.38045278 × 10^6

Prime Factorization of 638045278

Prime Factorization 2 × 13 × 1213 × 20231

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638045278
Product of the distinct prime numbers

The prime factorization of 638045278 is 2 × 13 × 1213 × 20231. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 27, 47, 401, 688, 3962, 3400, 54803, 89753, 514318, 782745, 4291560, 1170752, 6642404, 27811762, 872349880, 56857318, 8684442103, 125057396

Basic calculations (n = 638045278)

Multiplication

n×y
n×2 1276090556
n×3 1914135834
n×4 2552181112
n×5 3190226390

Division

n÷y
n÷2 319022639
n÷3 212681759.33333
n÷3 159511319.5
n÷5 127609055.6

Exponentiation

ny
n2 407101776778097284
n3 2.5974936633868E+26
n4 1.6573185665588E+35
n5 1.0574442855346E+44

Nth Root

y√n
2√n 25259.558151322
3√n 860.89562275108
4√n 158.93255849989
5√n 57.672702125481

Divisors of 638045278

1, 2, 13, 26, 1213, 2426, 15769, 20231, 31538, 40462, 263003, 526006, 24540203, 49080406, 319022639, 638045278

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 -638045277
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 638045278 can be divided by 16 positive divisors. The sum of these divisors (counting 638045278) is 1, the average is 0.0625.

Base conversion 638045278

Base System Value
2 Binary 100110000001111100110001011110
3 Ternary 1122110121001120121
4 Quaternary 212001330301132
5 Quinary 2301314422103
6 Senary 143151305154
8 Octal 4601746136
10 Decimal 638045278
12 Duodecimal 15981b1ba
16 Hexadecimal 2607cc5e
20 Vigesimal 9j7fd3i
36 Base36 ajvivy

Cryptographic Hash Functions

md5 9b71436fcbb9bd34de28c31160b6d6bf
sha1 b420de07692f60515b65681d31017253b83a9404
sha256 c027cd004638e6cdc468ca4eb67f6c1b09730afbb243676ecb46466d76238eb7
sha512 cc4d7e0b048508e4d04a3471e7669def0f2617a7117e3e937277c7ca3c810698df3c6812db6724cfd5a0af0a2800acf2dde2520976cbf9bfed5d68e047f481bc
ripemd-160 d5cbaa74fadb234d1a10add90bf547420292f5ed

638045278 as geometric shapes

Circle

Radius = n
Diameter 1276090556
Circumference 4008956716.0449
Area 1.2789479511894E+18

Sphere

Radius = n
Volume 1.0880356014189E+27
Surface area 5.1157918047577E+18
Circumference 4008956716.0449

Square

Length = n
Perimeter 2552181112
Area 407101776778097284
Diagonal 902332285.55571

Cube

Length = n
Surface area 2442610660668583704
Volume 2.5974936633868E+26
Space diagonal 1105126839.0254

Equilateral Triangle

Length = n
Perimeter 1914135834
Area 1.7628024030781E+17
Altitude 552563419.5127

Triangular Pyramid

Length = n
Surface area 1.7628024030781E+17
Volume 3.0611756391164E+25
Height 300777428.51857