638513421 (number)
638513421 is an odd 9-digits composite number following 638513420 and preceding 638513422. In scientific notation, it is written as 6.38513421 × 10^8. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 316947456 positive integers (up to 638513421) that are relatively prime to 638513421.
Interesting facts
- 638513421 has 48 divisors, whose sum is 1113216384
- The reverse of 638513421 is 124315836
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity odd
- Number length 9
- Sum of Digits 33
- Digital Root 6
Name
Name | six hundred thirty-eight million five hundred thirteen thousand four hundred twenty-one |
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Notation
Scientific notation | 6.38513421 × 10^8 |
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Engineering notation | 6.38513421 × 10^6 |
Prime Factorization of 638513421
Prime Factorization 7 × 3 × 13 × 17 × 17 × 8093
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 37559613 | Product of the distinct prime numbers |
The prime factorization of 638513421 is 7 × 3 × 13 × 17 × 17 × 8093. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 638513421)
Multiplication
n×yn×2 | 1277026842 |
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n×3 | 1915540263 |
n×4 | 2554053684 |
n×5 | 3192567105 |
Division
n÷yn÷2 | 319256710.5 |
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n÷3 | 212837807 |
n÷3 | 159628355.25 |
n÷5 | 127702684.2 |
Exponentiation
nyn2 | 407699388797123241 |
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n3 | 2.6032153148046E+26 |
n4 | 1.6621879162555E+35 |
n5 | 1.0613292927531E+44 |
Nth Root
y√n2√n | 25268.823102788 |
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3√n | 861.10612177878 |
4√n | 158.96170325833 |
5√n | 57.681162701044 |
Divisors of 638513421
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -638513420 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 638513421 can be divided by 48 positive divisors. The sum of these divisors (counting 638513421) is 1, the average is 0.020833333333333.
Base conversion 638513421
Base | System | Value |
---|---|---|
2 | Binary | 100110000011101111000100001101 |
3 | Ternary | 1122111110211202020 |
4 | Quaternary | 212003233010031 |
5 | Quinary | 2301424412141 |
6 | Senary | 143205320353 |
8 | Octal | 4603570415 |
10 | Decimal | 638513421 |
12 | Duodecimal | 159a060b9 |
16 | Hexadecimal | 260ef10d |
20 | Vigesimal | 9jae3b1 |
36 | Base36 | ak5k3x |
Cryptographic Hash Functions
md5 | b1e1cf71c974870e825f59a5d402f68e |
---|---|
sha1 | db6ca1ffe68fe39228f4bcc3b451d72193028b38 |
sha256 | a1c54b8b1a3e35f7208e6535cb3762bec1b4a47db35687b2978a2b9c0134ce34 |
sha512 | 78f16ae8026f9c6cb12d5c01d0e1177dc9c6a4c00b8f384f53490dc1e1660406bab9402eb53bf9eab59c2157f8d66b483fabc798d27705122497c505191fcafa |
ripemd-160 | 2b3cfe6414248be80109303228046fcf30fc2872 |
638513421 as geometric shapes
Circle
Radius = nDiameter | 1277026842 |
---|---|
Circumference | 4011898145.2642 |
Area | 1.2808254047181E+18 |
Sphere
Radius = nVolume | 1.0904322811603E+27 |
---|---|
Surface area | 5.1233016188724E+18 |
Circumference | 4011898145.2642 |
Square
Length = nPerimeter | 2554053684 |
---|---|
Area | 407699388797123241 |
Diagonal | 902994339.73544 |
Cube
Length = nSurface area | 2446196332782739446 |
---|---|
Volume | 2.6032153148046E+26 |
Space diagonal | 1105937686.4866 |
Equilateral Triangle
Length = nPerimeter | 1915540263 |
---|---|
Area | 1.7653901390285E+17 |
Altitude | 552968843.24331 |
Triangular Pyramid
Length = nSurface area | 1.7653901390285E+17 |
---|---|
Volume | 3.0679186699783E+25 |
Height | 300998113.24515 |