638631729 (number)

638631729 is an odd 9-digits composite number following 638631728 and preceding 638631730. In scientific notation, it is written as 6.38631729 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 413211456 positive integers (up to 638631729) that are relatively prime to 638631729.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred thirty-one thousand seven hundred twenty-nine

Notation

Scientific notation 6.38631729 × 10^8
Engineering notation 6.38631729 × 10^6

Prime Factorization of 638631729

Prime Factorization 27 × 37 × 773 × 827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638631729
Product of the distinct prime numbers

The prime factorization of 638631729 is 27 × 37 × 773 × 827. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 43, 80, 606, 113, 209, 770, 72817, 87572, 895195, 971203, 1822780, 7213325, 18898807, 85300656, 152005813, 432003090, 2876791019, 6194458652

Basic calculations (n = 638631729)

Multiplication

n×y
n×2 1277263458
n×3 1915895187
n×4 2554526916
n×5 3193158645

Division

n÷y
n÷2 319315864.5
n÷3 212877243
n÷3 159657932.25
n÷5 127726345.8

Exponentiation

ny
n2 407850485285529441
n3 2.6046626059139E+26
n4 1.6634201834764E+35
n5 1.062312907827E+44

Nth Root

y√n
2√n 25271.163981898
3√n 861.1593023115
4√n 158.96906611633
5√n 57.683300052291

Divisors of 638631729

1, 27, 37, 773, 827, 999, 20871, 22329, 28601, 30599, 639271, 772227, 826173, 17260317, 23653027, 638631729

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 -638631728
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 638631729 can be divided by 16 positive divisors. The sum of these divisors (counting 638631729) is 1, the average is 0.0625.

Base conversion 638631729

Base System Value
2 Binary 100110000100001011111100110001
3 Ternary 1122111200212001000
4 Quaternary 212010023330301
5 Quinary 2301442203404
6 Senary 143212032213
8 Octal 4604137461
10 Decimal 638631729
12 Duodecimal 159a62669
16 Hexadecimal 2610bf31
20 Vigesimal 9jb8j69
36 Base36 ak83e9

Cryptographic Hash Functions

md5 ea9f1ed32020b7a5bbacddc0bf4254a6
sha1 ca38821ddb55de71be392f70eff54ae29ca1bdb6
sha256 81c431b38bdff3ef9f71ff45eaa0c1d97706bd0d56786f54d1cc749925008a01
sha512 a67d3ab37a2ea9ff6563e7b1f897185c0d61d56f1eb58a7ec742d65458b4153c781c6e71bec1c88c4284af3f2c9f084ddb7b030270d42e8d489cb46f23f5e086
ripemd-160 0dbce9735e156794087dd95ca2f7d39b116304d8

638631729 as geometric shapes

Circle

Radius = n
Diameter 1277263458
Circumference 4012641496.3515
Area 1.2813000883361E+18

Sphere

Radius = n
Volume 1.0910385210425E+27
Surface area 5.1252003533442E+18
Circumference 4012641496.3515

Square

Length = n
Perimeter 2554526916
Area 407850485285529441
Diagonal 903161652.51358

Cube

Length = n
Surface area 2447102911713176646
Volume 2.6046626059139E+26
Space diagonal 1106142601.9536

Equilateral Triangle

Length = n
Perimeter 1915895187
Area 1.7660444060154E+17
Altitude 553071300.97678

Triangular Pyramid

Length = n
Surface area 1.7660444060154E+17
Volume 3.0696243189079E+25
Height 301053884.17119