638781630 (number)

638781630 is an even 9-digits composite number following 638781629 and preceding 638781631. In scientific notation, it is written as 6.38781630 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 157685760 positive integers (up to 638781630) that are relatively prime to 638781630.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million seven hundred eighty-one thousand six hundred thirty

Notation

Scientific notation 6.38781630 × 10^8
Engineering notation 6.38781630 × 10^6

Prime Factorization of 638781630

Prime Factorization 2 × 255 × 61 × 20533

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638781630
Product of the distinct prime numbers

The prime factorization of 638781630 is 2 × 255 × 61 × 20533. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 7, 95, 333, 928, 2902, 3527, 62868, 92294, 189347, 368742, 3139663, 9644045, 53522141, 99232971, 820018732, 320835523, 7311683563, 6151749203

Basic calculations (n = 638781630)

Multiplication

n×y
n×2 1277563260
n×3 1916344890
n×4 2555126520
n×5 3193908150

Division

n÷y
n÷2 319390815
n÷3 212927210
n÷3 159695407.5
n÷5 127756326

Exponentiation

ny
n2 408041970825456900
n3 2.606497152323E+26
n4 1.6649824995512E+35
n5 1.0635602349848E+44

Nth Root

y√n
2√n 25274.129658605
3√n 861.22667475587
4√n 158.97839368482
5√n 57.686007707501

Divisors of 638781630

1, 2, 61, 122, 255, 510, 15555, 20533, 31110, 41066, 1252513, 2505026, 5235915, 10471830, 319390815, 638781630

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 -638781629
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 638781630 can be divided by 16 positive divisors. The sum of these divisors (counting 638781630) is 1, the average is 0.0625.

Base conversion 638781630

Base System Value
2 Binary 100110000100110000100010111110
3 Ternary 1122111222110122220
4 Quaternary 212010300202332
5 Quinary 2302012003010
6 Senary 143215150210
8 Octal 4604604276
10 Decimal 638781630
12 Duodecimal 159b15366
16 Hexadecimal 261308be
20 Vigesimal 9jc7e1a
36 Base36 akbb26

Cryptographic Hash Functions

md5 ba332b857b2e8eab21185f43435a5d05
sha1 5fef59e1627ddf9cd4a285a7a0a7967726354ff1
sha256 611df444de88de8f103d476cb0c8df980c2f21b911ac79a4a3ab36ce6e6b21fd
sha512 3bf23558b90105d5a1d9916ac9445c5de90cdff98736996393949b8b2aa3346e78d6ff637117eaa2270d148385e90ae7f0fe7f24281a45160f9395d9760a1a9e
ripemd-160 fc2e90b5b26dabd159cb78486d678200fa34334c

638781630 as geometric shapes

Circle

Radius = n
Diameter 1277563260
Circumference 4013583352.1122
Area 1.2819016579016E+18

Sphere

Radius = n
Volume 1.0918069740454E+27
Surface area 5.1276066316062E+18
Circumference 4013583352.1122

Square

Length = n
Perimeter 2555126520
Area 408041970825456900
Diagonal 903373644.54079

Cube

Length = n
Surface area 2448251824952741400
Volume 2.606497152323E+26
Space diagonal 1106402238.1017

Equilateral Triangle

Length = n
Perimeter 1916344890
Area 1.7668735627256E+17
Altitude 553201119.05083

Triangular Pyramid

Length = n
Surface area 1.7668735627256E+17
Volume 3.071786352585E+25
Height 301124548.18026