81838316 (number)

81838316 is an even 8-digits composite number following 81838315 and preceding 81838317. In scientific notation, it is written as 8.1838316 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 35073552 positive integers (up to 81838316) that are relatively prime to 81838316.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred thirty-eight thousand three hundred sixteen

Notation

Scientific notation 8.1838316 × 10^7
Engineering notation 8.1838316 × 10^6

Prime Factorization of 81838316

Prime Factorization 2 × 2 × 7 × 2922797

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40919158
Product of the distinct prime numbers

The prime factorization of 81838316 is 2 × 2 × 7 × 2922797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 4, 71, 402, 25, 2714, 5975, 39465, 86193, 317925, 393729, 3645574, 815599, 3055122, 45174490, 71732079, 998532722, 2256443488, 5049783031

Basic calculations (n = 81838316)

Multiplication

n×y
n×2 163676632
n×3 245514948
n×4 327353264
n×5 409191580

Division

n÷y
n÷2 40919158
n÷3 27279438.666667
n÷3 20459579
n÷5 16367663.2

Exponentiation

ny
n2 6697509965715856
n3 5.481129369874E+23
n4 4.4856639740863E+31
n5 3.6709918578109E+39

Nth Root

y√n
2√n 9046.4532276467
3√n 434.16241876932
4√n 95.112844703787
5√n 38.246468167997

Divisors of 81838316

1, 2, 4, 7, 14, 28, 2922797, 5845594, 11691188, 20459579, 40919158, 81838316

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81838315
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81838316 can be divided by 12 positive divisors. The sum of these divisors (counting 81838316) is 1, the average is 0.083333333333333.

Base conversion 81838316

Base System Value
2 Binary 100111000001100000011101100
3 Ternary 12200222211001202
4 Quaternary 10320030003230
5 Quinary 131422311231
6 Senary 12042025032
8 Octal 470140354
10 Decimal 81838316
12 Duodecimal 234a8178
16 Hexadecimal 4e0c0ec
20 Vigesimal 15b9ffg
36 Base36 1cq2uk

Cryptographic Hash Functions

md5 f138569a481ff2e14583df12abb19039
sha1 e1250bcbb1f37baf58b902cf4c2cd2e549900e42
sha256 a41c0c51055d76bb6fe9b15d8acab96648c5006c26db4dd4ed42b1669e3f80af
sha512 a628c6770fa83fcbf15376eefdf050c79b2395c88e0e0c632a31df304e25a17bf59a256870ebc6b7dc20b36ba8ecef9439c7434489342f4172e6232e27e936d7
ripemd-160 a416252c067d542a80ead52580022ce5735aa839

81838316 as geometric shapes

Circle

Radius = n
Diameter 163676632
Circumference 514205304.65552
Area 2.1040848105637E+16

Sphere

Radius = n
Volume 2.2959301015695E+24
Surface area 8.4163392422549E+16
Circumference 514205304.65552

Square

Length = n
Perimeter 327353264
Area 6697509965715856
Diagonal 115736856.40898

Cube

Length = n
Surface area 40185059794295136
Volume 5.481129369874E+23
Space diagonal 141748121.31788

Equilateral Triangle

Length = n
Perimeter 245514948
Area 2.9001068862047E+15
Altitude 70874060.658938

Triangular Pyramid

Length = n
Surface area 2.9001068862047E+15
Volume 6.4595729099978E+22
Height 38578952.136325