638478812 (number)

638478812 is an even 9-digits composite number following 638478811 and preceding 638478813. In scientific notation, it is written as 6.38478812 × 10^8. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 302437296 positive integers (up to 638478812) that are relatively prime to 638478812.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred seventy-eight thousand eight hundred twelve

Notation

Scientific notation 6.38478812 × 10^8
Engineering notation 6.38478812 × 10^6

Prime Factorization of 638478812

Prime Factorization 2 × 2 × 19 × 8401037

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 319239406
Product of the distinct prime numbers

The prime factorization of 638478812 is 2 × 2 × 19 × 8401037. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 3, 44, 511, 805, 9086, 815, 59255, 12012, 404177, 768599, 7820350, 4806265, 41930054, 39874168, 358448769, 482407311, 6974856, 2999552839

Basic calculations (n = 638478812)

Multiplication

n×y
n×2 1276957624
n×3 1915436436
n×4 2553915248
n×5 3192394060

Division

n÷y
n÷2 319239406
n÷3 212826270.66667
n÷3 159619703
n÷5 127695762.4

Exponentiation

ny
n2 407655193372931344
n3 2.6027920357038E+26
n4 1.6618275668392E+35
n5 1.0610416906244E+44

Nth Root

y√n
2√n 25268.138277285
3√n 861.09056347347
4√n 158.95954918559
5√n 57.680537395271

Divisors of 638478812

1, 2, 4, 19, 38, 76, 8401037, 16802074, 33604148, 159619703, 319239406, 638478812

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 -638478811
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 638478812 can be divided by 12 positive divisors. The sum of these divisors (counting 638478812) is 1, the average is 0.083333333333333.

Base conversion 638478812

Base System Value
2 Binary 100110000011100110100111011100
3 Ternary 1122111102002021102
4 Quaternary 212003212213130
5 Quinary 2301422310222
6 Senary 143204452232
8 Octal 4603464734
10 Decimal 638478812
12 Duodecimal 1599aa078
16 Hexadecimal 260e69dc
20 Vigesimal 9ja9h0c
36 Base36 ak4tek

Cryptographic Hash Functions

md5 ece8c09073d765c1152bf159577b6c09
sha1 4d9ad641966e8327a53d564620f5a6907a8fe7c3
sha256 d027ab2b1e708d70f738bc35f2955faf09c513a2f56e5a7f75c2fcfc60b9e6fa
sha512 fccba28895ad6f1f1c0a8a475e3d35663dccb74adb2a9e0ab0ebff775e1daa49045e9c8e0dd1c049a8144e1b813d6c311483ea5f6386c94420706fe0b67b258f
ripemd-160 57789c75c605f1ab1307bdb7f6837177bad1e459

638478812 as geometric shapes

Circle

Radius = n
Diameter 1276957624
Circumference 4011680690.5039
Area 1.2806865606981E+18

Sphere

Radius = n
Volume 1.0902549784252E+27
Surface area 5.1227462427925E+18
Circumference 4011680690.5039

Square

Length = n
Perimeter 2553915248
Area 407655193372931344
Diagonal 902945395.21826

Cube

Length = n
Surface area 2445931160237588064
Volume 2.6027920357038E+26
Space diagonal 1105877741.9402

Equilateral Triangle

Length = n
Perimeter 1915436436
Area 1.7651987672281E+17
Altitude 552938870.97011

Triangular Pyramid

Length = n
Surface area 1.7651987672281E+17
Volume 3.0674198307742E+25
Height 300981798.40609