638866492 (number)

638866492 is an even 9-digits composite number following 638866491 and preceding 638866493. In scientific notation, it is written as 6.38866492 × 10^8. The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors. There are 277767600 positive integers (up to 638866492) that are relatively prime to 638866492.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38866492 × 10^8
Engineering notation 6.38866492 × 10^6

Prime Factorization of 638866492

Prime Factorization 2 × 2 × 253 × 631291

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 319433246
Product of the distinct prime numbers

The prime factorization of 638866492 is 2 × 2 × 253 × 631291. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 83, 75, 719, 856, 8617, 7290, 92322, 96043, 74980, 883429, 1159132, 4096764, 33950680, 98147724, 11161454, 919792089, 5988657561, 2176037921

Basic calculations (n = 638866492)

Multiplication

n×y
n×2 1277732984
n×3 1916599476
n×4 2555465968
n×5 3194332460

Division

n÷y
n÷2 319433246
n÷3 212955497.33333
n÷3 159716623
n÷5 127773298.4

Exponentiation

ny
n2 408150394600386064
n3 2.6075361080676E+26
n4 1.6658674461245E+35
n5 1.0642668914426E+44

Nth Root

y√n
2√n 25275.808434153
3√n 861.26481099232
4√n 158.98367348301
5√n 57.687540340763

Divisors of 638866492

1, 2, 4, 253, 506, 1012, 631291, 1262582, 2525164, 159716623, 319433246, 638866492

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 -638866491
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 638866492 can be divided by 12 positive divisors. The sum of these divisors (counting 638866492) is 1, the average is 0.083333333333333.

Base conversion 638866492

Base System Value
2 Binary 100110000101000101010000111100
3 Ternary 1122112010210001221
4 Quaternary 212011011100330
5 Quinary 2302022211432
6 Senary 143221043124
8 Octal 4605052074
10 Decimal 638866492
12 Duodecimal 159b564a4
16 Hexadecimal 2614543c
20 Vigesimal 9jci64c
36 Base36 akd4jg

Cryptographic Hash Functions

md5 a0e4b718e21d6335df15f7c364a47393
sha1 023861340b7569bd34193bcdbd832171986300d7
sha256 a55cc7cd60488e5e10cf67e3ddf646cb803488ece5312e42da67899b55fb4ace
sha512 3c69342c178782305497500849bea19656011db2b63df5890ce1207bbaa13ea84fdcd29a8ac24ed187963442fde523d6ff5d313187eebf06ee33a0f8a7304bfc
ripemd-160 382b08518ef221aabb49d3647bf7a9564c20f754

638866492 as geometric shapes

Circle

Radius = n
Diameter 1277732984
Circumference 4014116555.7838
Area 1.2822422812363E+18

Sphere

Radius = n
Volume 1.0922421708101E+27
Surface area 5.1289691249454E+18
Circumference 4014116555.7838

Square

Length = n
Perimeter 2555465968
Area 408150394600386064
Diagonal 903493657.53212

Cube

Length = n
Surface area 2448902367602316384
Volume 2.6075361080676E+26
Space diagonal 1106549223.3973

Equilateral Triangle

Length = n
Perimeter 1916599476
Area 1.7673430514429E+17
Altitude 553274611.69865

Triangular Pyramid

Length = n
Surface area 1.7673430514429E+17
Volume 3.0730107736723E+25
Height 301164552.51071