638632449 (number)

638632449 is an odd 9-digits composite number following 638632448 and preceding 638632450. In scientific notation, it is written as 6.38632449 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 336860640 positive integers (up to 638632449) that are relatively prime to 638632449.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred thirty-two thousand four hundred forty-nine

Notation

Scientific notation 6.38632449 × 10^8
Engineering notation 6.38632449 × 10^6

Prime Factorization of 638632449

Prime Factorization 3 × 273 × 779771

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638632449
Product of the distinct prime numbers

The prime factorization of 638632449 is 3 × 273 × 779771. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 54, 53, 282, 62, 9954, 1512, 21491, 9479, 604194, 920818, 8215881, 5980908, 19026464, 59112277, 72269295, 662625531, 9954372558, 6576931851

Basic calculations (n = 638632449)

Multiplication

n×y
n×2 1277264898
n×3 1915897347
n×4 2554529796
n×5 3193162245

Division

n÷y
n÷2 319316224.5
n÷3 212877483
n÷3 159658112.25
n÷5 127726489.8

Exponentiation

ny
n2 407851404915737601
n3 2.6046714154943E+26
n4 1.6634276849174E+35
n5 1.0623188961532E+44

Nth Root

y√n
2√n 25271.17822738
3√n 861.159625938
4√n 158.96911092215
5√n 57.683313058835

Divisors of 638632449

1, 3, 273, 819, 779771, 2339313, 212877483, 638632449

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 -638632448
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 638632449 can be divided by 8 positive divisors. The sum of these divisors (counting 638632449) is 1, the average is 0.125.

Base conversion 638632449

Base System Value
2 Binary 100110000100001100001000000001
3 Ternary 1122111200220000200
4 Quaternary 212010030020001
5 Quinary 2301442214244
6 Senary 143212035413
8 Octal 4604141001
10 Decimal 638632449
12 Duodecimal 159a62b69
16 Hexadecimal 2610c201
20 Vigesimal 9jb9129
36 Base36 ak83y9

Cryptographic Hash Functions

md5 590cde6c396891a7e8d4234c9d771c45
sha1 a7c2e2b6d9e6611d4dc4ace2692c0c4ab657ca94
sha256 5affaf41c8e8cb4b6d9d5be36284dff6a96a1934d42bfc2049538ca9401b6c42
sha512 ee24a82923a0488269d67b1725cfd040bd4270200f4b1dbd1f226cff58bec61d62a0c9e22a277ff94032db5bd401bb36fed250fa156e5996c0be65f5bd8465fa
ripemd-160 189fa2e23b60bf0e52c9ea25708bf6ee0413de1e

638632449 as geometric shapes

Circle

Radius = n
Diameter 1277264898
Circumference 4012646020.2449
Area 1.2813029774396E+18

Sphere

Radius = n
Volume 1.091042211191E+27
Surface area 5.1252119097582E+18
Circumference 4012646020.2449

Square

Length = n
Perimeter 2554529796
Area 407851404915737601
Diagonal 903162670.74734

Cube

Length = n
Surface area 2447108429494425606
Volume 2.6046714154943E+26
Space diagonal 1106143849.0301

Equilateral Triangle

Length = n
Perimeter 1915897347
Area 1.766048388131E+17
Altitude 553071924.51507

Triangular Pyramid

Length = n
Surface area 1.766048388131E+17
Volume 3.0696347010979E+25
Height 301054223.58245