638995764 (number)

638995764 is an even 9-digits composite number following 638995763 and preceding 638995765. In scientific notation, it is written as 6.38995764 × 10^8. The sum of its digits is 57. It has a total of 6 prime factors and 48 positive divisors. There are 183443040 positive integers (up to 638995764) that are relatively prime to 638995764.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-five thousand seven hundred sixty-four

Notation

Scientific notation 6.38995764 × 10^8
Engineering notation 6.38995764 × 10^6

Prime Factorization of 638995764

Prime Factorization 2 × 2 × 3 × 19 × 11 × 254783

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319497882
Product of the distinct prime numbers

The prime factorization of 638995764 is 2 × 2 × 3 × 19 × 11 × 254783. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 3, 17, 93, 351, 93, 9667, 1414, 79609, 56784, 109037, 541938, 1446748, 6037353, 1563902, 20445158, 315048156, 680389931, 5075624122, 9278997695

Basic calculations (n = 638995764)

Multiplication

n×y
n×2 1277991528
n×3 1916987292
n×4 2555983056
n×5 3194978820

Division

n÷y
n÷2 319497882
n÷3 212998588
n÷3 159748941
n÷5 127799152.8

Exponentiation

ny
n2 408315586409943696
n3 2.6091193009113E+26
n4 1.667216181053E+35
n5 1.0653440773651E+44

Nth Root

y√n
2√n 25278.365532605
3√n 861.32289820216
4√n 158.9917152955
5√n 57.689874719007

Divisors of 638995764

1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 254783, 509566, 764349, 1019132, 1528698, 2802613, 3057396, 4840877, 5605226, 8407839, 9681754, 11210452, 14522631, 16815678, 19363508, 29045262, 33631356, 53249647, 58090524, 106499294, 159748941, 212998588, 319497882, 638995764

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638995763
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638995764 can be divided by 48 positive divisors. The sum of these divisors (counting 638995764) is 1, the average is 0.020833333333333.

Base conversion 638995764

Base System Value
2 Binary 100110000101100100110100110100
3 Ternary 1122112101100101210
4 Quaternary 212011210310310
5 Quinary 2302040331024
6 Senary 143223521420
8 Octal 4605446464
10 Decimal 638995764
12 Duodecimal 159bb9270
16 Hexadecimal 26164d34
20 Vigesimal 9jde984
36 Base36 akfwac

Cryptographic Hash Functions

md5 d43d678fbf565d5004de0d91cf3d1480
sha1 69ed46841817a7a51dd80fda34221f610c090937
sha256 7e3da3c2d76929867b45539966f902cb2af01a4c7a9fdce0d6edd6e7a77ef073
sha512 7dd39fc97bc912a9ea1e7d474ab6bcc4663807daebd7e6fe5e4765012325d59fa8b55b72ac26e8d3babe58a86e473d6c89899864003e1192d2764b7f4da4f925
ripemd-160 f1f45a7b02aa5c2fc57d367725cf68c7c70ac6a3

638995764 as geometric shapes

Circle

Radius = n
Diameter 1277991528
Circumference 4014928795.7148
Area 1.2827612466117E+18

Sphere

Radius = n
Volume 1.0929053370776E+27
Surface area 5.1310449864467E+18
Circumference 4014928795.7148

Square

Length = n
Perimeter 2555983056
Area 408315586409943696
Diagonal 903676475.74776

Cube

Length = n
Surface area 2449893518459662176
Volume 2.6091193009113E+26
Space diagonal 1106773129.0693

Equilateral Triangle

Length = n
Perimeter 1916987292
Area 1.7680583529608E+17
Altitude 553386564.53465

Triangular Pyramid

Length = n
Surface area 1.7680583529608E+17
Volume 3.0748765843318E+25
Height 301225491.91592