638996930 (number)

638996930 is an even 9-digits composite number following 638996929 and preceding 638996931. In scientific notation, it is written as 6.38996930 × 10^8. The sum of its digits is 53. It has a total of 6 prime factors and 64 positive divisors. There are 212977920 positive integers (up to 638996930) that are relatively prime to 638996930.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38996930 × 10^8
Engineering notation 6.38996930 × 10^6

Prime Factorization of 638996930

Prime Factorization 2 × 5 × 11 × 13 × 149 × 2999

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 638996930
Product of the distinct prime numbers

The prime factorization of 638996930 is 2 × 5 × 11 × 13 × 149 × 2999. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 2, 38, 94, 630, 61, 5824, 8299, 27604, 33623, 492409, 953318, 3812518, 3809412, 43575457, 40292284, 781167404, 419875853, 547927255, 3955372539

Basic calculations (n = 638996930)

Multiplication

n×y
n×2 1277993860
n×3 1916990790
n×4 2555987720
n×5 3194984650

Division

n÷y
n÷2 319498465
n÷3 212998976.66667
n÷3 159749232.5
n÷5 127799386

Exponentiation

ny
n2 408317076549424900
n3 2.6091335838166E+26
n4 1.6672283500187E+35
n5 1.0653537972709E+44

Nth Root

y√n
2√n 25278.388595795
3√n 861.32342209811
4√n 158.99178782502
5√n 57.689895772776

Divisors of 638996930

1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 149, 286, 298, 715, 745, 1430, 1490, 1639, 1937, 2999, 3278, 3874, 5998, 8195, 9685, 14995, 16390, 19370, 21307, 29990, 32989, 38987, 42614, 65978, 77974, 106535, 164945, 194935, 213070, 329890, 389870, 428857, 446851, 857714, 893702, 2144285, 2234255, 4288570, 4468510, 4915361, 5809063, 9830722, 11618126, 24576805, 29045315, 49153610, 58090630, 63899693, 127799386, 319498465, 638996930

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638996929
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638996930 can be divided by 64 positive divisors. The sum of these divisors (counting 638996930) is 1, the average is 0.015625.

Base conversion 638996930

Base System Value
2 Binary 100110000101100101000111000010
3 Ternary 1122112101101222222
4 Quaternary 212011211013002
5 Quinary 2302040400210
6 Senary 143223531042
8 Octal 4605450702
10 Decimal 638996930
12 Duodecimal 159bb9a82
16 Hexadecimal 261651c2
20 Vigesimal 9jdec6a
36 Base36 akfx6q

Cryptographic Hash Functions

md5 03e091ccbe00ab33303e08f1fa1b0901
sha1 4eab890598b0a0c4ce7af24246b68cd77294b2d5
sha256 628ddd2521d10e10d298710d0f3ea05869cf89735cf05514ec1977003bc2d4d8
sha512 79be71b80daf325dd6f978f6b6be9eb26b4ad9441675a03b989f0f7976b05671135ee9905b862fc7d29a238d2bbd64a4bc0fcae4cbce2ffaabf4ed4f9aa060cf
ripemd-160 d60d96cc39c9669b6e34a3356a7d7396418aa705

638996930 as geometric shapes

Circle

Radius = n
Diameter 1277993860
Circumference 4014936121.9089
Area 1.2827659280229E+18

Sphere

Radius = n
Volume 1.092911319887E+27
Surface area 5.1310637120917E+18
Circumference 4014936121.9089

Square

Length = n
Perimeter 2555987720
Area 408317076549424900
Diagonal 903678124.72077

Cube

Length = n
Surface area 2449902459296549400
Volume 2.6091335838166E+26
Space diagonal 1106775148.6405

Equilateral Triangle

Length = n
Perimeter 1916990790
Area 1.768064805454E+17
Altitude 553387574.32027

Triangular Pyramid

Length = n
Surface area 1.768064805454E+17
Volume 3.0748934168971E+25
Height 301226041.57359