81444610 (number)

81444610 is an even 8-digits composite number following 81444609 and preceding 81444611. In scientific notation, it is written as 8.1444610 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 28763328 positive integers (up to 81444610) that are relatively prime to 81444610.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-four thousand six hundred ten

Notation

Scientific notation 8.1444610 × 10^7
Engineering notation 8.1444610 × 10^6

Prime Factorization of 81444610

Prime Factorization 2 × 5 × 13 × 23 × 27239

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81444610
Product of the distinct prime numbers

The prime factorization of 81444610 is 2 × 5 × 13 × 23 × 27239. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81444610)

Multiplication

n×y
n×2 162889220
n×3 244333830
n×4 325778440
n×5 407223050

Division

n÷y
n÷2 40722305
n÷3 27148203.333333
n÷3 20361152.5
n÷5 16288922

Exponentiation

ny
n2 6633224498052100
n3 5.402403822863E+23
n4 4.3999667241559E+31
n5 3.5835357386185E+39

Nth Root

y√n
2√n 9024.6667528502
3√n 433.46507959926
4√n 94.998246051441
5√n 38.20959809375

Divisors of 81444610

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81444609
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81444610 can be divided by 32 positive divisors. The sum of these divisors (counting 81444610) is 1, the average is 0.03125.

Base conversion 81444610

Base System Value
2 Binary 100110110101011111100000010
3 Ternary 12200020211000001
4 Quaternary 10312223330002
5 Quinary 131322211420
6 Senary 12025350214
8 Octal 466537402
10 Decimal 81444610
12 Duodecimal 2333836a
16 Hexadecimal 4dabf02
20 Vigesimal 1590baa
36 Base36 1chn2a

Cryptographic Hash Functions

md5 4025b82b84fe86b13d9129ddec5979a4
sha1 822cbc8d16540701ac53112173ef54c9ebedef94
sha256 7f499e141bea0b0348d659ea29e80f313859225438755b4c8161ee437dc61b12
sha512 065c86a454f82ef182c058433c1bf3f7a216b90eaa66eebfb30d17550ddb204a806448b42ec743f82686e8f7bad13afa4036b1b9ca752058a4f63eb9872b36d2
ripemd-160 23ba561fc425eb1d0d1431d0ec94bb0f1099913e

81444610 as geometric shapes

Circle

Radius = n
Diameter 162889220
Circumference 511731576.90097
Area 2.0838889352692E+16

Sphere

Radius = n
Volume 2.2629536215509E+24
Surface area 8.3355557410769E+16
Circumference 511731576.90097

Square

Length = n
Perimeter 325778440
Area 6633224498052100
Diagonal 115180072.04419

Cube

Length = n
Surface area 39799346988312600
Volume 5.402403822863E+23
Space diagonal 141066202.52263

Equilateral Triangle

Length = n
Perimeter 244333830
Area 2.8722704621592E+15
Altitude 70533101.261316

Triangular Pyramid

Length = n
Surface area 2.8722704621592E+15
Volume 6.3667939630909E+22
Height 38393357.348062