68638405 (number)

68638405 is an odd 8-digits composite number following 68638404 and preceding 68638406. In scientific notation, it is written as 6.8638405 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 49826880 positive integers (up to 68638405) that are relatively prime to 68638405.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred thirty-eight thousand four hundred five

Notation

Scientific notation 6.8638405 × 10^7
Engineering notation 6.8638405 × 10^6

Prime Factorization of 68638405

Prime Factorization 5 × 11 × 877 × 1423

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68638405
Product of the distinct prime numbers

The prime factorization of 68638405 is 5 × 11 × 877 × 1423. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 89, 7, 933, 733, 6276, 7629, 34094, 89832, 495369, 93706, 6092493, 5127829, 21455006, 58429956, 387031962, 412429513, 6079042930, 6959272715

Basic calculations (n = 68638405)

Multiplication

n×y
n×2 137276810
n×3 205915215
n×4 274553620
n×5 343192025

Division

n÷y
n÷2 34319202.5
n÷3 22879468.333333
n÷3 17159601.25
n÷5 13727681

Exponentiation

ny
n2 4711230640944025
n3 3.2337135678153E+23
n4 2.219569415217E+31
n5 1.5234770444728E+39

Nth Root

y√n
2√n 8284.8298111669
3√n 409.43886154821
4√n 91.021040486071
5√n 36.924399114079

Divisors of 68638405

1, 5, 11, 55, 877, 1423, 4385, 7115, 9647, 15653, 48235, 78265, 1247971, 6239855, 13727681, 68638405

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 -68638404
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 68638405 can be divided by 16 positive divisors. The sum of these divisors (counting 68638405) is 1, the average is 0.0625.

Base conversion 68638405

Base System Value
2 Binary 100000101110101011011000101
3 Ternary 11210011012012011
4 Quaternary 10011311123011
5 Quinary 120032412110
6 Senary 10451054221
8 Octal 405653305
10 Decimal 68638405
12 Duodecimal 1aba1371
16 Hexadecimal 41756c5
20 Vigesimal 118jg05
36 Base36 14v5qd

Cryptographic Hash Functions

md5 91ed2b26ebcde32643051221c16417e4
sha1 84db943ddde5729c6224ea216999f610d9d95c43
sha256 69a001852f5d2781043a68a10c5d66c308e9cc9173e54aecf036f86959878935
sha512 d4d02126a38745d220143c281f887fc5f355ad2b605f6f9f55507d2954f3ffa5c156c367ac2fc2597fa182c47bd012f1f071d8060574321fd7181b9fc7596e5c
ripemd-160 aa587cc8fb50c2c998a6ab337a98d7e70a7059a6

68638405 as geometric shapes

Circle

Radius = n
Diameter 137276810
Circumference 431267817.80424
Area 1.4800767570957E+16

Sphere

Radius = n
Volume 1.3545347717949E+24
Surface area 5.9203070283828E+16
Circumference 431267817.80424

Square

Length = n
Perimeter 274553620
Area 4711230640944025
Diagonal 97069363.250657

Cube

Length = n
Surface area 28267383845664150
Volume 3.2337135678153E+23
Space diagonal 118885204.81049

Equilateral Triangle

Length = n
Perimeter 205915215
Area 2.0400227090726E+15
Altitude 59442602.405245

Triangular Pyramid

Length = n
Surface area 2.0400227090726E+15
Volume 3.8109679870285E+22
Height 32356454.416886