638888928 (number)

638888928 is an even 9-digits composite number following 638888927 and preceding 638888929. In scientific notation, it is written as 6.38888928 × 10^8. The sum of its digits is 60. It has a total of 7 prime factors and 24 positive divisors. There are 212962944 positive integers (up to 638888928) that are relatively prime to 638888928.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred eighty-eight thousand nine hundred twenty-eight

Notation

Scientific notation 6.38888928 × 10^8
Engineering notation 6.38888928 × 10^6

Prime Factorization of 638888928

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 6655093

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 39930558
Product of the distinct prime numbers

The prime factorization of 638888928 is 2 × 2 × 2 × 2 × 2 × 3 × 6655093. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 8, 32, 50, 798, 595, 9747, 1008, 24078, 43831, 274826, 496099, 9916305, 6370701, 23789173, 25196316, 961657017, 310322273, 4127188756, 2813373197

Basic calculations (n = 638888928)

Multiplication

n×y
n×2 1277777856
n×3 1916666784
n×4 2555555712
n×5 3194444640

Division

n÷y
n÷2 319444464
n÷3 212962976
n÷3 159722232
n÷5 127777785.6

Exponentiation

ny
n2 408179062320989184
n3 2.607810835583E+26
n4 1.6661014691724E+35
n5 1.0644537815788E+44

Nth Root

y√n
2√n 25276.252253845
3√n 861.27489296894
4√n 158.98506927962
5√n 57.687945514454

Divisors of 638888928

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 6655093, 13310186, 19965279, 26620372, 39930558, 53240744, 79861116, 106481488, 159722232, 212962976, 319444464, 638888928

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638888927
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638888928 can be divided by 24 positive divisors. The sum of these divisors (counting 638888928) is 1, the average is 0.041666666666667.

Base conversion 638888928

Base System Value
2 Binary 100110000101001010101111100000
3 Ternary 1122112011220211220
4 Quaternary 212011022233200
5 Quinary 2302023421203
6 Senary 143221335040
8 Octal 4605125740
10 Decimal 638888928
12 Duodecimal 159b67480
16 Hexadecimal 2614abe0
20 Vigesimal 9jd1268
36 Base36 akdluo

Cryptographic Hash Functions

md5 0580ea277af89d8144ba2e26630a3a2b
sha1 9a75605c926b2c39e9d93758fb7e61adca1c3fb7
sha256 a8bdfa80f5fb0776f4b5472c01f67a2456199696e728e01e6b83804f511883f8
sha512 0c26c7e684cee37c91b360306ee18cbb3c08665eb7108da673281d830a2e74430310d2d00b2e67381adf7b7b7077b9af36e5f20c93042f43d2dec8c70ec15007
ripemd-160 1b2fb18a2be8debad61b8f2bcb6feff33c536767

638888928 as geometric shapes

Circle

Radius = n
Diameter 1277777856
Circumference 4014257525.3293
Area 1.2823323435368E+18

Sphere

Radius = n
Volume 1.0923572484026E+27
Surface area 5.1293293741472E+18
Circumference 4014257525.3293

Square

Length = n
Perimeter 2555555712
Area 408179062320989184
Diagonal 903525386.82761

Cube

Length = n
Surface area 2449074373925935104
Volume 2.607810835583E+26
Space diagonal 1106588083.6892

Equilateral Triangle

Length = n
Perimeter 1916666784
Area 1.7674671863144E+17
Altitude 553294041.84461

Triangular Pyramid

Length = n
Surface area 1.7674671863144E+17
Volume 3.0733345431542E+25
Height 301175128.94254