638447631 (number)

638447631 is an odd 9-digits composite number following 638447630 and preceding 638447632. In scientific notation, it is written as 6.38447631 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 398910848 positive integers (up to 638447631) that are relatively prime to 638447631.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred forty-seven thousand six hundred thirty-one

Notation

Scientific notation 6.38447631 × 10^8
Engineering notation 6.38447631 × 10^6

Prime Factorization of 638447631

Prime Factorization 3 × 17 × 239 × 52379

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638447631
Product of the distinct prime numbers

The prime factorization of 638447631 is 3 × 17 × 239 × 52379. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 19, 95, 864, 121, 9081, 7952, 28530, 93336, 946933, 126125, 7215049, 7397940, 48979101, 65855826, 373458916, 245894314, 8370690785, 8518057110

Basic calculations (n = 638447631)

Multiplication

n×y
n×2 1276895262
n×3 1915342893
n×4 2553790524
n×5 3192238155

Division

n÷y
n÷2 319223815.5
n÷3 212815877
n÷3 159611907.75
n÷5 127689526.2

Exponentiation

ny
n2 407615377529512161
n3 2.6024107214289E+26
n4 1.6615029599853E+35
n5 1.0607826287021E+44

Nth Root

y√n
2√n 25267.521267429
3√n 861.07654572721
4√n 158.95760839743
5√n 57.679974002426

Divisors of 638447631

1, 3, 17, 51, 239, 717, 4063, 12189, 52379, 157137, 890443, 2671329, 12518581, 37555743, 212815877, 638447631

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 -638447630
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 638447631 can be divided by 16 positive divisors. The sum of these divisors (counting 638447631) is 1, the average is 0.0625.

Base conversion 638447631

Base System Value
2 Binary 100110000011011111000000001111
3 Ternary 1122111100111111120
4 Quaternary 212003133000033
5 Quinary 2301420311011
6 Senary 143204052023
8 Octal 4603370017
10 Decimal 638447631
12 Duodecimal 159994013
16 Hexadecimal 260df00f
20 Vigesimal 9ja5j1b
36 Base36 ak45cf

Cryptographic Hash Functions

md5 5d9e75da5d704e00d4dec900589840e8
sha1 c7ef7536c8962619e4ef6ab91239cea1f88ba0b1
sha256 f8006e206df0938e35d724c099f759685eee8aa758bfa8b2d3e21ec1f1fba5c5
sha512 46b4a4f8d6456620849e4492505ebb93086bc55147b27cac615929afc82760f830b737c653f6e712a6ac955fbac1ad631682c1ed03115b1729d271b176580414
ripemd-160 9c6e7513479bcdbba28530431a6fa8eb6043897f

638447631 as geometric shapes

Circle

Radius = n
Diameter 1276895262
Circumference 4011484774.5028
Area 1.2805614755369E+18

Sphere

Radius = n
Volume 1.0900952538752E+27
Surface area 5.1222459021478E+18
Circumference 4011484774.5028

Square

Length = n
Perimeter 2553790524
Area 407615377529512161
Diagonal 902901298.62517

Cube

Length = n
Surface area 2445692265177072966
Volume 2.6024107214289E+26
Space diagonal 1105823734.864

Equilateral Triangle

Length = n
Perimeter 1915342893
Area 1.7650263595687E+17
Altitude 552911867.43199

Triangular Pyramid

Length = n
Surface area 1.7650263595687E+17
Volume 3.0669704475916E+25
Height 300967099.54172