638561985, six hundred thirty-eight million five hundred sixty-one thousand nine hundred eighty-five: 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

638561985 has 8 divisors, whose sum is 1021699200
The reverse of 638561985 is 589165836
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6

Name

Name	six hundred thirty-eight million five hundred sixty-one thousand nine hundred eighty-five

Notation

Scientific notation	6.38561985 × 10^8
Engineering notation	6.38561985 × 10^6

Prime Factorization of 638561985

Prime Factorization 5 × 3 × 42570799

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	638561985	Product of the distinct prime numbers

The prime factorization of 638561985 is 5 × 3 × 42570799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 84, 83, 636, 313, 2695, 6741, 97382, 55279, 346762, 191729, 8489695, 803279, 81290306, 20891467, 12645695, 592382259, 7608785178, 2735430298

Basic calculations (n = 638561985)

Multiplication

n×y

n×2	1277123970
n×3	1915685955
n×4	2554247940
n×5	3192809925

Division

n÷y

n÷2	319280992.5
n÷3	212853995
n÷3	159640496.25
n÷5	127712397

Exponentiation

n^y

n²	407761408687140225
n³	2.6038093453766E+26
n⁴	1.6626936641452E+35
n⁵	1.0617329666235E+44

Nth Root

^y√n

²√n	25269.784031527
³√n	861.12795253761
⁴√n	158.96472574608
⁵√n	57.682040096154

Divisors of 638561985

1, 3, 5, 15, 42570799, 127712397, 212853995, 638561985

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	-638561984	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 638561985 can be divided by 8 positive divisors. The sum of these divisors (counting 638561985) is 1, the average is 0.125.

Base conversion 638561985

Base	System	Value
2	Binary	100110000011111010111011000001
3	Ternary	1122111120022100220
4	Quaternary	212003322323001
5	Quinary	2301432440420
6	Senary	143210333253
8	Octal	4603727301
10	Decimal	638561985
12	Duodecimal	159a2a229
16	Hexadecimal	260faec1
20	Vigesimal	9jb04j5
36	Base36	ak6lkx

Cryptographic Hash Functions

md5	da3a0efbe1af4f037f517cda7a66a59e
sha1	f210d34b32ad614bb1822d036217ac864ab3bf61
sha256	ac6e06996cb9537b255b37cf48a5de93cabd05fd14da6c57fa72ddff7588fc08
sha512	3baf099841814a77e402256defec1cef9a92c722cfbceae00ea191fc3f7b68f4ee6cf9341dcff27563db59629b5dd35bb3f442ceeb36d5e3e2d32c24e3769ac9
ripemd-160	8ebad82e9d4c3bd20a78614bc07fc16696647bf9

638561985 as geometric shapes

Circle

Radius = n

Diameter	1277123970
Circumference	4012203281.8754
Area	1.2810202459489E+18

Sphere

Radius = n

Volume	1.0906811081045E+27
Surface area	5.1240809837958E+18
Circumference	4012203281.8754

Square

Length = n

Perimeter	2554247940
Area	407761408687140225
Diagonal	903063019.60288

Cube

Length = n

Surface area	2446568452122841350
Volume	2.6038093453766E+26
Space diagonal	1106021801.802

Equilateral Triangle

Length = n

Perimeter	1915685955
Area	1.76565869303E+17
Altitude	553010900.90102

Triangular Pyramid

Length = n

Surface area	1.76565869303E+17
Volume	3.0686187417211E+25
Height	301021006.5343