638762980 (number)

638762980 is an even 9-digits composite number following 638762979 and preceding 638762981. In scientific notation, it is written as 6.38762980 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 255505184 positive integers (up to 638762980) that are relatively prime to 638762980.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million seven hundred sixty-two thousand nine hundred eighty

Notation

Scientific notation 6.38762980 × 10^8
Engineering notation 6.38762980 × 10^6

Prime Factorization of 638762980

Prime Factorization 2 × 2 × 5 × 31938149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 319381490
Product of the distinct prime numbers

The prime factorization of 638762980 is 2 × 2 × 5 × 31938149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 68, 46, 240, 362, 6936, 4106, 23092, 53238, 454029, 32196, 4100309, 4397258, 98298026, 57389363, 414125972, 712756784, 3371555466, 8716317019

Basic calculations (n = 638762980)

Multiplication

n×y
n×2 1277525960
n×3 1916288940
n×4 2555051920
n×5 3193814900

Division

n÷y
n÷2 319381490
n÷3 212920993.33333
n÷3 159690745
n÷5 127752596

Exponentiation

ny
n2 408018144618480400
n3 2.6062688595057E+26
n4 1.6647880633791E+35
n5 1.0634049844324E+44

Nth Root

y√n
2√n 25273.760701566
3√n 861.21829315719
4√n 158.97723328064
5√n 57.685670861055

Divisors of 638762980

1, 2, 4, 5, 10, 20, 31938149, 63876298, 127752596, 159690745, 319381490, 638762980

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638762979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638762980 can be divided by 12 positive divisors. The sum of these divisors (counting 638762980) is 1, the average is 0.083333333333333.

Base conversion 638762980

Base System Value
2 Binary 100110000100101011111111100100
3 Ternary 1122111221112002011
4 Quaternary 212010223333210
5 Quinary 2302010403410
6 Senary 143214524004
8 Octal 4604537744
10 Decimal 638762980
12 Duodecimal 159b06604
16 Hexadecimal 2612bfe4
20 Vigesimal 9jc5790
36 Base36 akawo4

Cryptographic Hash Functions

md5 df2b9820cd7422f660f7051f095c999a
sha1 3c3cf0d58ce4184b9ac34dcb4d7993bc828ee467
sha256 3ab8043e9e40ca82399ed3ac82a49b93fbb252c9e3bc1bfc862943834a707d9b
sha512 595c22a15b3c69a277a24b6109a593dcbd55c236f9102ae72b2894886aeae698577e09308ba8fa8bd2d2e0e915f275414d7c8e46f3f1da4342941b19e289ddf7
ripemd-160 0bf7d556c504c7fe3765ed7dc2be667596f700f5

638762980 as geometric shapes

Circle

Radius = n
Diameter 1277525960
Circumference 4013466170.7062
Area 1.2818268056648E+18

Sphere

Radius = n
Volume 1.0917113469737E+27
Surface area 5.127307222659E+18
Circumference 4013466170.7062

Square

Length = n
Perimeter 2555051920
Area 408018144618480400
Diagonal 903347269.45785

Cube

Length = n
Surface area 2448108867710882400
Volume 2.6062688595057E+26
Space diagonal 1106369935.3541

Equilateral Triangle

Length = n
Perimeter 1916288940
Area 1.766770392223E+17
Altitude 553184967.67705

Triangular Pyramid

Length = n
Surface area 1.766770392223E+17
Volume 3.0715173069197E+25
Height 301115756.48595