638991688, six hundred thirty-eight million nine hundred ninety-one thousand six hundred eighty-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

638991688 has 8 divisors, whose sum is 1198109430
The reverse of 638991688 is 886199836
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 9
Sum of Digits 58
Digital Root 4

Name

Name	six hundred thirty-eight million nine hundred ninety-one thousand six hundred eighty-eight

Notation

Scientific notation	6.38991688 × 10^8
Engineering notation	6.38991688 × 10^6

Prime Factorization of 638991688

Prime Factorization 2 × 2 × 2 × 79873961

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	159747922	Product of the distinct prime numbers

The prime factorization of 638991688 is 2 × 2 × 2 × 79873961. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 100, 2, 201, 484, 5752, 1241, 10326, 78156, 771593, 297074, 2858859, 7769412, 25944979, 49715576, 328719740, 892443168, 3588368877, 1323100718

Basic calculations (n = 638991688)

Multiplication

n×y

n×2	1277983376
n×3	1916975064
n×4	2555966752
n×5	3194958440

Division

n÷y

n÷2	319495844
n÷3	212997229.33333
n÷3	159747922
n÷5	127798337.6

Exponentiation

n^y

n²	408310377333089344
n³	2.6090693723999E+26
n⁴	1.6671736423789E+35
n⁵	1.0653100999328E+44

Nth Root

^y√n

²√n	25278.284910175
³√n	861.32106680786
⁴√n	158.99146175243
⁵√n	57.689801120858

Divisors of 638991688

1, 2, 4, 8, 79873961, 159747922, 319495844, 638991688

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-638991687	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638991688 can be divided by 8 positive divisors. The sum of these divisors (counting 638991688) is 1, the average is 0.125.

Base conversion 638991688

Base	System	Value
2	Binary	100110000101100011110101001000
3	Ternary	1122112101010210211
4	Quaternary	212011203311020
5	Quinary	2302040213223
6	Senary	143223450504
8	Octal	4605436510
10	Decimal	638991688
12	Duodecimal	159bb6a34
16	Hexadecimal	26163d48
20	Vigesimal	9jddj48
36	Base36	akft54

Cryptographic Hash Functions

md5	68388d054b147d6a589256f569450422
sha1	f59be356eaa07d44ccdf101cfc38d8aa0474701d
sha256	3c6ddae391470ffb46e8b63757531624c246f9e609687994628048d883644070
sha512	5cf66f27f4081d9e6409d935c7699b8e1309072708f5c275998cbe42fc1f91d28df0d97438e7d87bf37ede4bbb5daf44b083923ac8ef1ec29786680cde697051
ripemd-160	12d6a6f5c961e503e487503eebb4d050fa9255cb

638991688 as geometric shapes

Circle

Radius = n

Diameter	1277983376
Circumference	4014903185.4515
Area	1.2827448818141E+18

Sphere

Radius = n

Volume	1.0928844230717E+27
Surface area	5.1309795272564E+18
Circumference	4014903185.4515

Square

Length = n

Perimeter	2555966752
Area	408310377333089344
Diagonal	903670711.41328

Cube

Length = n

Surface area	2449862263998536064
Volume	2.6090693723999E+26
Space diagonal	1106766069.2302

Equilateral Triangle

Length = n

Perimeter	1916975064
Area	1.7680357969963E+17
Altitude	553383034.6151

Triangular Pyramid

Length = n

Surface area	1.7680357969963E+17
Volume	3.0748177430168E+25
Height	301223570.47109