81363630 (number)

81363630 is an even 8-digits composite number following 81363629 and preceding 81363631. In scientific notation, it is written as 8.1363630 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 64 positive divisors. There are 21135360 positive integers (up to 81363630) that are relatively prime to 81363630.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-three thousand six hundred thirty

Notation

Scientific notation 8.1363630 × 10^7
Engineering notation 8.1363630 × 10^6

Prime Factorization of 81363630

Prime Factorization 2 × 3 × 5 × 173 × 61 × 257

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 81363630
Product of the distinct prime numbers

The prime factorization of 81363630 is 2 × 3 × 5 × 173 × 61 × 257. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81363630)

Multiplication

n×y
n×2 162727260
n×3 244090890
n×4 325454520
n×5 406818150

Division

n÷y
n÷2 40681815
n÷3 27121210
n÷3 20340907.5
n÷5 16272726

Exponentiation

ny
n2 6620040286776900
n3 5.3863050847841E+23
n4 4.3824933398549E+31
n5 3.5657556658142E+39

Nth Root

y√n
2√n 9020.1790447862
3√n 433.32136784843
4√n 94.974623162117
5√n 38.201996744531

Divisors of 81363630

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81363629
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81363630 can be divided by 64 positive divisors. The sum of these divisors (counting 81363630) is 1, the average is 0.015625.

Base conversion 81363630

Base System Value
2 Binary 100110110011000001010101110
3 Ternary 12200002200220210
4 Quaternary 10312120022232
5 Quinary 131312114010
6 Senary 12023523250
8 Octal 466301256
10 Decimal 81363630
12 Duodecimal 232b9526
16 Hexadecimal 4d982ae
20 Vigesimal 158a91a
36 Base36 1cfwku

Cryptographic Hash Functions

md5 a2dd9f2b1399c688394cd78740872555
sha1 cd86dab48dc252a723450887b9292fd8867e6fbd
sha256 c320057510202d8e7cb3e362d621e2a24b0ea86b3d9badf9ed0d61f57d581f9a
sha512 8e397f779ad0e3ac23e80723ace2768623aba24faf20e6e80c2867126dd97a76de2cba802f8c976633d6e38c904d481cfc5f5e3b09d069424e9ee9dfe3c877fe
ripemd-160 9ec22b8ee00718d4616d0f14e4a2a5773925770d

81363630 as geometric shapes

Circle

Radius = n
Diameter 162727260
Circumference 511222764.5548
Area 2.0797469931407E+16

Sphere

Radius = n
Volume 2.2562101979135E+24
Surface area 8.3189879725627E+16
Circumference 511222764.5548

Square

Length = n
Perimeter 325454520
Area 6620040286776900
Diagonal 115065549.02991

Cube

Length = n
Surface area 39720241720661400
Volume 5.3863050847841E+23
Space diagonal 140925941.04824

Equilateral Triangle

Length = n
Perimeter 244090890
Area 2.8665615312126E+15
Altitude 70462970.524118

Triangular Pyramid

Length = n
Surface area 2.8665615312126E+15
Volume 6.3478214183174E+22
Height 38355183.009969