638691388, six hundred thirty-eight million six hundred ninety-one thousand three 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

638691388 has 12 divisors, whose sum is 1153765312
The reverse of 638691388 is 883196836
Previous prime number is 31

Basic properties

Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7

Name

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

Notation

Scientific notation	6.38691388 × 10^8
Engineering notation	6.38691388 × 10^6

Prime Factorization of 638691388

Prime Factorization 2 × 2 × 31 × 5150737

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	319345694	Product of the distinct prime numbers

The prime factorization of 638691388 is 2 × 2 × 31 × 5150737. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 74, 47, 716, 89, 8407, 9609, 47969, 49782, 382701, 925150, 9553255, 641654, 60012689, 39147998, 819570411, 298691156, 1090839721, 7198512099

Basic calculations (n = 638691388)

Multiplication

n×y

n×2	1277382776
n×3	1916074164
n×4	2554765552
n×5	3193456940

Division

n÷y

n÷2	319345694
n÷3	212897129.33333
n÷3	159672847
n÷5	127738277.6

Exponentiation

n^y

n²	407926689105366544
n³	2.6053926326695E+26
n⁴	1.6640418368447E+35
n⁵	1.0628091904644E+44

Nth Root

^y√n

²√n	25272.344331304
³√n	861.18611708897
⁴√n	158.97277858585
⁵√n	57.684377731103

Divisors of 638691388

1, 2, 4, 31, 62, 124, 5150737, 10301474, 20602948, 159672847, 319345694, 638691388

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	-638691387	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 638691388 can be divided by 12 positive divisors. The sum of these divisors (counting 638691388) is 1, the average is 0.083333333333333.

Base conversion 638691388

Base	System	Value
2	Binary	100110000100011010100000111100
3	Ternary	1122111210212212121
4	Quaternary	212010122200330
5	Quinary	2302001111023
6	Senary	143213212324
8	Octal	4604324074
10	Decimal	638691388
12	Duodecimal	159a910a4
16	Hexadecimal	2611a83c
20	Vigesimal	9jbg898
36	Base36	ak9dfg

Cryptographic Hash Functions

md5	aa7a01353f906503ebf7ece8c06ec4d9
sha1	abf465a55125bcd352a5415ed80db686e001fff0
sha256	aca332d33f735eaa2a79d13a814f4e29edc193c690e3aec5398ded7102038caf
sha512	fb10ef33f474bd9da4790cfb3535a3a3b4c371021481c6d7c67b1844216b01f71e67571650eae9ad9d5881ce9a29b531beb7eb636a7410c2647b7518513312f1
ripemd-160	fa589d194930e76cca357108dc26029175822e5e

638691388 as geometric shapes

Circle

Radius = n

Diameter	1277382776
Circumference	4013016344.9037
Area	1.2815394896966E+18

Sphere

Radius = n

Volume	1.0913443139349E+27
Surface area	5.1261579587865E+18
Circumference	4013016344.9037

Square

Length = n

Perimeter	2554765552
Area	407926689105366544
Diagonal	903246023.0805

Cube

Length = n

Surface area	2447560134632199264
Volume	2.6053926326695E+26
Space diagonal	1106245934.3727

Equilateral Triangle

Length = n

Perimeter	1916074164
Area	1.7663743782346E+17
Altitude	553122967.18634

Triangular Pyramid

Length = n

Surface area	1.7663743782346E+17
Volume	3.0704846636901E+25
Height	301082007.6935