638634447 (number)

638634447 is an odd 9-digits composite number following 638634446 and preceding 638634448. In scientific notation, it is written as 6.38634447 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 386052480 positive integers (up to 638634447) that are relatively prime to 638634447.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred thirty-four thousand four hundred forty-seven

Notation

Scientific notation 6.38634447 × 10^8
Engineering notation 6.38634447 × 10^6

Prime Factorization of 638634447

Prime Factorization 9 × 11 × 397 × 16249

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638634447
Product of the distinct prime numbers

The prime factorization of 638634447 is 9 × 11 × 397 × 16249. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 71, 55, 487, 931, 4059, 1769, 28413, 22224, 30717, 882400, 5908124, 7847239, 69957699, 76415877, 979805819, 732092752, 313708935, 5328558882

Basic calculations (n = 638634447)

Multiplication

n×y
n×2 1277268894
n×3 1915903341
n×4 2554537788
n×5 3193172235

Division

n÷y
n÷2 319317223.5
n÷3 212878149
n÷3 159658611.75
n÷5 127726889.4

Exponentiation

ny
n2 407853956894995809
n3 2.604695862184E+26
n4 1.6634485015491E+35
n5 1.0623355138998E+44

Nth Root

y√n
2√n 25271.217758549
3√n 861.16052400028
4√n 158.96923525811
5√n 57.683349151932

Divisors of 638634447

1, 9, 11, 99, 397, 3573, 4367, 16249, 39303, 146241, 178739, 1608651, 6450853, 58057677, 70959383, 638634447

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 -638634446
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 638634447 can be divided by 16 positive divisors. The sum of these divisors (counting 638634447) is 1, the average is 0.0625.

Base conversion 638634447

Base System Value
2 Binary 100110000100001100100111001111
3 Ternary 1122111200222202200
4 Quaternary 212010030213033
5 Quinary 2301442300242
6 Senary 143212052543
8 Octal 4604144717
10 Decimal 638634447
12 Duodecimal 159a64153
16 Hexadecimal 2610c9cf
20 Vigesimal 9jb9627
36 Base36 ak85hr

Cryptographic Hash Functions

md5 dc0a0e4a0d2a3a133093e1251c422dc0
sha1 2d71cde01490bdd9a865c76dd4565a3015f5fb01
sha256 39d83e71a83857c35cf9aa86af352c965e7c7f586a0a3b845ae4a29a890286e8
sha512 f2782242644aa4336583f244e809704f8f30a1088b6e7575da1c9fc49ba0a2926d5c32559535b7d680e43c8991afb60bfd904ced23526a7aef0ef6d69acf39f2
ripemd-160 67fc16add7498a6969ccd6b617e83081b16ed780

638634447 as geometric shapes

Circle

Radius = n
Diameter 1277268894
Circumference 4012658574.0492
Area 1.2813109947188E+18

Sphere

Radius = n
Volume 1.0910524513964E+27
Surface area 5.1252439788754E+18
Circumference 4012658574.0492

Square

Length = n
Perimeter 2554537788
Area 407853956894995809
Diagonal 903165496.34604

Cube

Length = n
Surface area 2447123741369974854
Volume 2.604695862184E+26
Space diagonal 1106147309.6677

Equilateral Triangle

Length = n
Perimeter 1915903341
Area 1.7660594385253E+17
Altitude 553073654.83383

Triangular Pyramid

Length = n
Surface area 1.7660594385253E+17
Volume 3.069663511798E+25
Height 301055165.44868