638639646 (number)

638639646 is an even 9-digits composite number following 638639645 and preceding 638639647. In scientific notation, it is written as 6.38639646 × 10^8. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 200357504 positive integers (up to 638639646) that are relatively prime to 638639646.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38639646 × 10^8
Engineering notation 6.38639646 × 10^6

Prime Factorization of 638639646

Prime Factorization 2 × 3 × 17 × 6261173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638639646
Product of the distinct prime numbers

The prime factorization of 638639646 is 2 × 3 × 17 × 6261173. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 64, 80, 67, 168, 4082, 4356, 96345, 50383, 485669, 372753, 4524622, 292164, 14383794, 33365487, 477796137, 97585563, 9170121689, 1967173212

Basic calculations (n = 638639646)

Multiplication

n×y
n×2 1277279292
n×3 1915918938
n×4 2554558584
n×5 3193198230

Division

n÷y
n÷2 319319823
n÷3 212879882
n÷3 159659911.5
n÷5 127727929.2

Exponentiation

ny
n2 407860597443005316
n3 2.6047594756835E+26
n4 1.6635026694657E+35
n5 1.0623787559476E+44

Nth Root

y√n
2√n 25271.320622397
3√n 861.16286084125
4√n 158.9695587916
5√n 57.683443069433

Divisors of 638639646

1, 2, 3, 6, 17, 34, 51, 102, 6261173, 12522346, 18783519, 37567038, 106439941, 212879882, 319319823, 638639646

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638639645
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638639646 can be divided by 16 positive divisors. The sum of these divisors (counting 638639646) is 1, the average is 0.0625.

Base conversion 638639646

Base System Value
2 Binary 100110000100001101111000011110
3 Ternary 1122111201020220020
4 Quaternary 212010031320132
5 Quinary 2301442432041
6 Senary 143212133010
8 Octal 4604157036
10 Decimal 638639646
12 Duodecimal 159a67166
16 Hexadecimal 2610de1e
20 Vigesimal 9jb9j26
36 Base36 ak89i6

Cryptographic Hash Functions

md5 5da3582ab229735bb254798c388219f5
sha1 581ae02bfc1f174b2c43d4fbf856ddd0761c5ea9
sha256 951bb0ec4f96f408d62d8b5c17532b310a76b7deca667c20bfa526ea1c6c5ede
sha512 724b8927f5943d2e633f7665638fbdb9534e54c2e958de806ca2800daf30290e9eff995079fa066f900d12af7648d28accfab28eedb3c0b59788308a190d7ab1
ripemd-160 a514106eee85ac21f78236762fac34b902f65bdd

638639646 as geometric shapes

Circle

Radius = n
Diameter 1277279292
Circumference 4012691240.3296
Area 1.2813318566157E+18

Sphere

Radius = n
Volume 1.0910790977568E+27
Surface area 5.1253274264628E+18
Circumference 4012691240.3296

Square

Length = n
Perimeter 2554558584
Area 407860597443005316
Diagonal 903172848.84235

Cube

Length = n
Surface area 2447163584658031896
Volume 2.6047594756835E+26
Space diagonal 1106156314.5998

Equilateral Triangle

Length = n
Perimeter 1915918938
Area 1.7660881929417E+17
Altitude 553078157.2999

Triangular Pyramid

Length = n
Surface area 1.7660881929417E+17
Volume 3.0697384810262E+25
Height 301057616.28078