638642728, six hundred thirty-eight million six hundred forty-two thousand seven hundred twenty-eight: 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

638642728 has 32 divisors, whose sum is 1223208000
The reverse of 638642728 is 827246836
Previous prime number is 71

Basic properties

Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1

Name

Name	six hundred thirty-eight million six hundred forty-two thousand seven hundred twenty-eight

Notation

Scientific notation	6.38642728 × 10^8
Engineering notation	6.38642728 × 10^6

Prime Factorization of 638642728

Prime Factorization 2 × 2 × 2 × 139 × 71 × 8089

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	159660682	Product of the distinct prime numbers

The prime factorization of 638642728 is 2 × 2 × 2 × 139 × 71 × 8089. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 2, 20, 73, 18, 270, 3887, 8660, 6293, 84515, 880084, 518838, 8324986, 9846893, 62027309, 14664826, 936526454, 686309305, 7599581481, 5083726670

Basic calculations (n = 638642728)

Multiplication

n×y

n×2	1277285456
n×3	1915928184
n×4	2554570912
n×5	3193213640

Division

n÷y

n÷2	319321364
n÷3	212880909.33333
n÷3	159660682
n÷5	127728545.6

Exponentiation

n^y

n²	407864534027281984
n³	2.6047971866563E+26
n⁴	1.6635347811729E+35
n⁵	1.0624043907712E+44

Nth Root

^y√n

²√n	25271.381600538
³√n	861.16424612933
⁴√n	158.96975058337
⁵√n	57.683498744031

Divisors of 638642728

1, 2, 4, 8, 71, 139, 142, 278, 284, 556, 568, 1112, 8089, 9869, 16178, 19738, 32356, 39476, 64712, 78952, 574319, 1124371, 1148638, 2248742, 2297276, 4497484, 4594552, 8994968, 79830341, 159660682, 319321364, 638642728

32 divisors

τ	Total Divisors	32	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-638642727	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.03125	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	32	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638642728 can be divided by 32 positive divisors. The sum of these divisors (counting 638642728) is 1, the average is 0.03125.

Base conversion 638642728

Base	System	Value
2	Binary	100110000100001110101000101000
3	Ternary	1122111201102010101
4	Quaternary	212010032220220
5	Quinary	2301443031403
6	Senary	143212155144
8	Octal	4604165050
10	Decimal	638642728
12	Duodecimal	159a68ab4
16	Hexadecimal	2610ea28
20	Vigesimal	9jba6g8
36	Base36	ak8bvs

Cryptographic Hash Functions

md5	51fcdedca98ca34c0d9f7f4d1829339e
sha1	9d2d99c09ad8e1240332edf2afe3fe3a619e5b24
sha256	acdfd2e6599eb2edbc3923e80af5630df4d721488261a03e88c2b2dcde8eb564
sha512	b29b4c7f2f157103cb7fa6860b16f6619fcc17432f2e15f7e138ad8a95ceeffb69b09665c7ddaeddf9c2561669aada587a3a24807a1fea2f932c09f8aaf7519e
ripemd-160	3075f0fb364786779686f0e6618bfcb93e58537c

638642728 as geometric shapes

Circle

Radius = n

Diameter	1277285456
Circumference	4012710605.1067
Area	1.2813442237599E+18

Sphere

Radius = n

Volume	1.0910948940921E+27
Surface area	5.1253768950397E+18
Circumference	4012710605.1067

Square

Length = n

Perimeter	2554570912
Area	407864534027281984
Diagonal	903177207.44855

Cube

Length = n

Surface area	2447187204163691904
Volume	2.6047971866563E+26
Space diagonal	1106161652.7804

Equilateral Triangle

Length = n

Perimeter	1915928184
Area	1.7661052388516E+17
Altitude	553080826.3902

Triangular Pyramid

Length = n

Surface area	1.7661052388516E+17
Volume	3.0697829238339E+25
Height	301059069.14952