638994007 (number)

638994007 is an odd 9-digits composite number following 638994006 and preceding 638994008. In scientific notation, it is written as 6.38994007 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 638625240 positive integers (up to 638994007) that are relatively prime to 638994007.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38994007 × 10^8
Engineering notation 6.38994007 × 10^6

Prime Factorization of 638994007

Prime Factorization 1741 × 367027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638994007
Product of the distinct prime numbers

The prime factorization of 638994007 is 1741 × 367027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 76, 6, 535, 785, 8087, 3356, 31724, 7169, 35005, 51285, 5361447, 2254442, 58441247, 78001222, 859223055, 710012267, 8824145719, 8899444376

Basic calculations (n = 638994007)

Multiplication

n×y
n×2 1277988014
n×3 1916982021
n×4 2555976028
n×5 3194970035

Division

n÷y
n÷2 319497003.5
n÷3 212998002.33333
n÷3 159748501.75
n÷5 127798801.4

Exponentiation

ny
n2 408313340981916049
n3 2.6090977786559E+26
n4 1.6671978442381E+35
n5 1.0653294309515E+44

Nth Root

y√n
2√n 25278.330779543
3√n 861.32210876254
4√n 158.99160600341
5√n 57.689842993845

Divisors of 638994007

1, 1741, 367027, 638994007

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638994006
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638994007 can be divided by 4 positive divisors. The sum of these divisors (counting 638994007) is 1, the average is 0.25.

Base conversion 638994007

Base System Value
2 Binary 100110000101100100011001010111
3 Ternary 1122112101020222201
4 Quaternary 212011210121113
5 Quinary 2302040302012
6 Senary 143223505331
8 Octal 4605443127
10 Decimal 638994007
12 Duodecimal 159bb8247
16 Hexadecimal 26164657
20 Vigesimal 9jde507
36 Base36 akfuxj

Cryptographic Hash Functions

md5 66e1e140672012e79f9ea6bf75911f6d
sha1 a6633a675eb85a7e9958e9e3c8173a415f1e00a9
sha256 baf0e032d263dd1557f249627f9ca2c5d20d746345557c6f881f1667e49d201c
sha512 e481839bb8e46c682b748d721eb3583297b7e4cf698f165d608e1802ecc9e4ac3a3fd51206a7eb059e9b950e6a3686f25dbc65288362575345358e4140530577
ripemd-160 eacf847b0ab006fa8e5f21f469e9b3fd7b69f92d

638994007 as geometric shapes

Circle

Radius = n
Diameter 1277988014
Circumference 4014917756.1582
Area 1.2827541923915E+18

Sphere

Radius = n
Volume 1.0928963218564E+27
Surface area 5.131016769566E+18
Circumference 4014917756.1582

Square

Length = n
Perimeter 2555976028
Area 408313340981916049
Diagonal 903673990.97453

Cube

Length = n
Surface area 2449880045891496294
Volume 2.6090977786559E+26
Space diagonal 1106770085.856

Equilateral Triangle

Length = n
Perimeter 1916982021
Area 1.7680486299722E+17
Altitude 553385042.92801

Triangular Pyramid

Length = n
Surface area 1.7680486299722E+17
Volume 3.0748512201106E+25
Height 301224663.65818