638866495 (number)

638866495 is an odd 9-digits composite number following 638866494 and preceding 638866496. In scientific notation, it is written as 6.38866495 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 511093192 positive integers (up to 638866495) that are relatively prime to 638866495.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-six thousand four hundred ninety-five

Notation

Scientific notation 6.38866495 × 10^8
Engineering notation 6.38866495 × 10^6

Prime Factorization of 638866495

Prime Factorization 5 × 127773299

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638866495
Product of the distinct prime numbers

The prime factorization of 638866495 is 5 × 127773299. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 8, 30, 33, 891, 467, 5427, 9770, 30844, 74855, 611142, 76288, 3003955, 7485728, 98849096, 37644811, 93294644, 230477038, 6285988105, 9744266857

Basic calculations (n = 638866495)

Multiplication

n×y
n×2 1277732990
n×3 1916599485
n×4 2555465980
n×5 3194332475

Division

n÷y
n÷2 319433247.5
n÷3 212955498.33333
n÷3 159716623.75
n÷5 127773299

Exponentiation

ny
n2 408150398433585025
n3 2.6075361448012E+26
n4 1.6658674774149E+35
n5 1.0642669164306E+44

Nth Root

y√n
2√n 25275.808493498
3√n 861.26481234043
4√n 158.98367366965
5√n 57.687540394941

Divisors of 638866495

1, 5, 127773299, 638866495

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638866494
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638866495 can be divided by 4 positive divisors. The sum of these divisors (counting 638866495) is 1, the average is 0.25.

Base conversion 638866495

Base System Value
2 Binary 100110000101000101010000111111
3 Ternary 1122112010210002001
4 Quaternary 212011011100333
5 Quinary 2302022211440
6 Senary 143221043131
8 Octal 4605052077
10 Decimal 638866495
12 Duodecimal 159b564a7
16 Hexadecimal 2614543f
20 Vigesimal 9jci64f
36 Base36 akd4jj

Cryptographic Hash Functions

md5 a8180d12340596abb8974e4235f8de03
sha1 b0d0109a2677cd2521e0a93c2c1cef523a4eaba8
sha256 fdb918f991fc5b201b86d04231f0de79378b4f643198fc19277ab44716b70584
sha512 105d40a1d31d517988d7702f1fe97d6bbd4cdd1dd776f9ec54d1b1fe34bb06f416b9f2d8631af8563b495116ac92b714ca607104c2da8366bc441b32da761f57
ripemd-160 d5ae8cdb462dfe6ea10ebc63cb203341d98535d6

638866495 as geometric shapes

Circle

Radius = n
Diameter 1277732990
Circumference 4014116574.6333
Area 1.2822422932787E+18

Sphere

Radius = n
Volume 1.092242186197E+27
Surface area 5.1289691731148E+18
Circumference 4014116574.6333

Square

Length = n
Perimeter 2555465980
Area 408150398433585025
Diagonal 903493661.77476

Cube

Length = n
Surface area 2448902390601510150
Volume 2.6075361448012E+26
Space diagonal 1106549228.5934

Equilateral Triangle

Length = n
Perimeter 1916599485
Area 1.7673430680411E+17
Altitude 553274614.29672

Triangular Pyramid

Length = n
Surface area 1.7673430680411E+17
Volume 3.0730108169632E+25
Height 301164553.92492