638631681, six hundred thirty-eight million six hundred thirty-one thousand six hundred eighty-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

638631681 has 8 divisors, whose sum is 858009504
The reverse of 638631681 is 186136836
Previous prime number is 131

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	6.38631681 × 10^8
Engineering notation	6.38631681 × 10^6

Prime Factorization of 638631681

Prime Factorization 3 × 131 × 1625017

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	638631681	Product of the distinct prime numbers

The prime factorization of 638631681 is 3 × 131 × 1625017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 13, 46, 516, 925, 5821, 8709, 95175, 99287, 127555, 71030, 7951507, 1686523, 82195168, 52601712, 218853588, 422005617, 5439109384, 8408437454

Basic calculations (n = 638631681)

Multiplication

n×y

n×2	1277263362
n×3	1915895043
n×4	2554526724
n×5	3193158405

Division

n÷y

n÷2	319315840.5
n÷3	212877227
n÷3	159657920.25
n÷5	127726336.2

Exponentiation

n^y

n²	407850423976885761
n³	2.6046620186092E+26
n⁴	1.6634196833813E+35
n⁵	1.0623125086063E+44

Nth Root

^y√n

²√n	25271.163032199
³√n	861.15928073639
⁴√n	158.96906312927
⁵√n	57.683299185188

Divisors of 638631681

1, 3, 131, 393, 1625017, 4875051, 212877227, 638631681

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	-638631680	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 638631681 can be divided by 8 positive divisors. The sum of these divisors (counting 638631681) is 1, the average is 0.125.

Base conversion 638631681

Base	System	Value
2	Binary	100110000100001011111100000001
3	Ternary	1122111200211222020
4	Quaternary	212010023330001
5	Quinary	2301442203211
6	Senary	143212032053
8	Octal	4604137401
10	Decimal	638631681
12	Duodecimal	159a62629
16	Hexadecimal	2610bf01
20	Vigesimal	9jb8j41
36	Base36	ak83cx

Cryptographic Hash Functions

md5	513acba286bfe2389249a9345bef1da4
sha1	549f3d86463b4848c0539cc63d31fbc686a70b00
sha256	55d38d71aa24bb1d3550a87f1627f010d6874540baff2ec1d10c66d6e2383713
sha512	ca540687fb26d1b332a9e9d880519945eab2c27e8f7dc4fd3a09a130c26d60725c3e5e81a2984dd5f8e5278763f4b9d8b00cc9fc07626f90707330bb48fa08a9
ripemd-160	aeb3fd17081296b70f2ab096a90bbe4d0da24e92

638631681 as geometric shapes

Circle

Radius = n

Diameter	1277263362
Circumference	4012641194.7586
Area	1.2812998957293E+18

Sphere

Radius = n

Volume	1.0910382750329E+27
Surface area	5.1251995829171E+18
Circumference	4012641194.7586

Square

Length = n

Perimeter	2554526724
Area	407850423976885761
Diagonal	903161584.63133

Cube

Length = n

Surface area	2447102543861314566
Volume	2.6046620186092E+26
Space diagonal	1106142518.8151

Equilateral Triangle

Length = n

Perimeter	1915895043
Area	1.7660441405412E+17
Altitude	553071259.40756

Triangular Pyramid

Length = n

Surface area	1.7660441405412E+17
Volume	3.0696236267627E+25
Height	301053861.54378