81445826 (number)

81445826 is an even 8-digits composite number following 81445825 and preceding 81445827. In scientific notation, it is written as 8.1445826 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 31731480 positive integers (up to 81445826) that are relatively prime to 81445826.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-five thousand eight hundred twenty-six

Notation

Scientific notation 8.1445826 × 10^7
Engineering notation 8.1445826 × 10^6

Prime Factorization of 81445826

Prime Factorization 2 × 847 × 48079

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81445826
Product of the distinct prime numbers

The prime factorization of 81445826 is 2 × 847 × 48079. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 31, 31, 676, 428, 6100, 9569, 65421, 59168, 618310, 295242, 7691968, 3823999, 55836517, 9071233, 561906380, 648021767, 1864979471, 7433214709

Basic calculations (n = 81445826)

Multiplication

n×y
n×2 162891652
n×3 244337478
n×4 325783304
n×5 407229130

Division

n÷y
n÷2 40722913
n÷3 27148608.666667
n÷3 20361456.5
n÷5 16289165.2

Exponentiation

ny
n2 6633422572822276
n3 5.4026458065056E+23
n4 4.4002295029628E+31
n5 3.5838032645838E+39

Nth Root

y√n
2√n 9024.7341235075
3√n 433.46723685646
4√n 94.998600639733
5√n 38.209712189928

Divisors of 81445826

1, 2, 847, 1694, 48079, 96158, 40722913, 81445826

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 -81445825
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 81445826 can be divided by 8 positive divisors. The sum of these divisors (counting 81445826) is 1, the average is 0.125.

Base conversion 81445826

Base System Value
2 Binary 100110110101100001111000010
3 Ternary 12200020212200002
4 Quaternary 10312230033002
5 Quinary 131322231301
6 Senary 12025400002
8 Octal 466541702
10 Decimal 81445826
12 Duodecimal 23339002
16 Hexadecimal 4dac3c2
20 Vigesimal 1590eb6
36 Base36 1cho02

Cryptographic Hash Functions

md5 d2a4143bd934195e88eb6b4ec559d073
sha1 bb3563132c514814ac05709173e1ff44d437a0e0
sha256 991d3867c1ccbb49e304ed15d8bf4c456dc621d43f61a02b1505e9523daf9625
sha512 5104664f81b74f9010af32a0ec65fe285c0d2ae31c23de7b45333a3713ee93cc3c32d4cadebdab10e76f7b6beded925a9e0a3b47401dfaab92f095affde5f26f
ripemd-160 94571eba59384f566349d81ba613e660dd445187

81445826 as geometric shapes

Circle

Radius = n
Diameter 162891652
Circumference 511739217.25431
Area 2.0839511622935E+16

Sphere

Radius = n
Volume 2.2630549834221E+24
Surface area 8.3358046491741E+16
Circumference 511739217.25431

Square

Length = n
Perimeter 325783304
Area 6633422572822276
Diagonal 115181791.72788

Cube

Length = n
Surface area 39800535436933656
Volume 5.4026458065056E+23
Space diagonal 141068308.69641

Equilateral Triangle

Length = n
Perimeter 244337478
Area 2.8723562310506E+15
Altitude 70534154.348207

Triangular Pyramid

Length = n
Surface area 2.8723562310506E+15
Volume 6.3670791435486E+22
Height 38393930.57596