638696821, six hundred thirty-eight million six hundred ninety-six thousand eight hundred twenty-one: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

Interesting facts

638696821 has 12 divisors, whose sum is 775278432
The reverse of 638696821 is 128696836
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4

Name

Name	six hundred thirty-eight million six hundred ninety-six thousand eight hundred twenty-one

Notation

Scientific notation	6.38696821 × 10^8
Engineering notation	6.38696821 × 10^6

Prime Factorization of 638696821

Prime Factorization 7 × 7 × 23 × 566723

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	91242403	Product of the distinct prime numbers

The prime factorization of 638696821 is 7 × 7 × 23 × 566723. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 90, 23, 81, 233, 8314, 990, 56600, 93440, 787467, 224313, 3680215, 368355, 81726354, 7741624, 761378241, 274722498, 2763407314, 8297616486

Basic calculations (n = 638696821)

Multiplication

n×y

n×2	1277393642
n×3	1916090463
n×4	2554787284
n×5	3193484105

Division

n÷y

n÷2	319348410.5
n÷3	212898940.33333
n÷3	159674205.25
n÷5	127739364.2

Exponentiation

n^y

n²	407933629155506041
n³	2.6054591212061E+26
n⁴	1.6640984579598E+35
n⁵	1.0628543949299E+44

Nth Root

^y√n

²√n	25272.451820114
³√n	861.18855896257
⁴√n	158.97311665849
⁵√n	57.68447586869

Divisors of 638696821

1, 7, 23, 49, 161, 1127, 566723, 3967061, 13034629, 27769427, 91242403, 638696821

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	-638696820	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 638696821 can be divided by 12 positive divisors. The sum of these divisors (counting 638696821) is 1, the average is 0.083333333333333.

Base conversion 638696821

Base	System	Value
2	Binary	100110000100011011110101110101
3	Ternary	1122111211011022211
4	Quaternary	212010123311311
5	Quinary	2302001244241
6	Senary	143213253421
8	Octal	4604336565
10	Decimal	638696821
12	Duodecimal	159a94271
16	Hexadecimal	2611bd75
20	Vigesimal	9jbh211
36	Base36	ak9hmd

Cryptographic Hash Functions

md5	10b8aa8574379ff619e5880258fbfc8b
sha1	3ca8cb88cbe6ebeee7c0df4a4e75fe609eec7df4
sha256	acff5f0ad704189d59aa2f819ca328352c68a9ef9c9908efbb7d557e12d84e60
sha512	783b7d0f40e2a6a1cb0b63573a677e4f714effd71b44afdbd11deed59fe7f8e81142205678e567f8e8e62db22bc5cb89dc22b9a34ee472cea0b9228ac1eef9b1
ripemd-160	f9ab16634f1eb0e615085e0ad112c4c246cafd17

638696821 as geometric shapes

Circle

Radius = n

Diameter	1277393642
Circumference	4013050481.4495
Area	1.2815612925072E+18

Sphere

Radius = n

Volume	1.091372164588E+27
Surface area	5.1262451700286E+18
Circumference	4013050481.4495

Square

Length = n

Perimeter	2554787284
Area	407933629155506041
Diagonal	903253706.50278

Cube

Length = n

Surface area	2447601774933036246
Volume	2.6054591212061E+26
Space diagonal	1106255344.6047

Equilateral Triangle

Length = n

Perimeter	1916090463
Area	1.7664044295332E+17
Altitude	553127672.30236

Triangular Pyramid

Length = n

Surface area	1.7664044295332E+17
Volume	3.070563021182E+25
Height	301084568.83426