638440069 (number)

638440069 is an odd 9-digits composite number following 638440068 and preceding 638440070. In scientific notation, it is written as 6.38440069 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 606032640 positive integers (up to 638440069) that are relatively prime to 638440069.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38440069 × 10^8
Engineering notation 6.38440069 × 10^6

Prime Factorization of 638440069

Prime Factorization 41 × 37 × 420857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638440069
Product of the distinct prime numbers

The prime factorization of 638440069 is 41 × 37 × 420857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638440069)

Multiplication

n×y
n×2 1276880138
n×3 1915320207
n×4 2553760276
n×5 3192200345

Division

n÷y
n÷2 319220034.5
n÷3 212813356.33333
n÷3 159610017.25
n÷5 127688013.8

Exponentiation

ny
n2 407605721704724761
n3 2.6023182508996E+26
n4 1.6614242436643E+35
n5 1.0607198087633E+44

Nth Root

y√n
2√n 25267.371628248
3√n 861.07314608186
4√n 158.95713770777
5√n 57.679837365368

Divisors of 638440069

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 -638440068
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 638440069 can be divided by 8 positive divisors. The sum of these divisors (counting 638440069) is 1, the average is 0.125.

Base conversion 638440069

Base System Value
2 Binary 100110000011011101001010000101
3 Ternary 1122111100010010111
4 Quaternary 212003131022011
5 Quinary 2301420040234
6 Senary 143203553021
8 Octal 4603351205
10 Decimal 638440069
12 Duodecimal 15998b771
16 Hexadecimal 260dd285
20 Vigesimal 9ja5039
36 Base36 ak3zid

Cryptographic Hash Functions

md5 2f82404c62b3b3ea92c26fd3e4d586ab
sha1 b1848434dc8554faf03d485e3fac5383dae45ae0
sha256 6874330ed5b9b29e3da1958fbf5f2fbddcb4941ae0280135ab4a15ab1b9b88bb
sha512 859c011a38af78868a91efa17b0fc12a38844c40a594e5431f1dc6ec1dc98e762ccf3b549f841508de4d59fb546b0ed096b080027ed45c7a61e14de4c0522cdd
ripemd-160 ed2e0e160ec8441e71d86d5773b81636d8976ab9

638440069 as geometric shapes

Circle

Radius = n
Diameter 1276880138
Circumference 4011437261.0555
Area 1.2805311408687E+18

Sphere

Radius = n
Volume 1.0900565199105E+27
Surface area 5.1221245634749E+18
Circumference 4011437261.0555

Square

Length = n
Perimeter 2553760276
Area 407605721704724761
Diagonal 902890604.34221

Cube

Length = n
Surface area 2445634330228348566
Volume 2.6023182508996E+26
Space diagonal 1105810637.0958

Equilateral Triangle

Length = n
Perimeter 1915320207
Area 1.7649845486209E+17
Altitude 552905318.54789

Triangular Pyramid

Length = n
Surface area 1.7649845486209E+17
Volume 3.0668614700277E+25
Height 300963534.78074