81444316 (number)

81444316 is an even 8-digits composite number following 81444315 and preceding 81444317. In scientific notation, it is written as 8.1444316 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 39408480 positive integers (up to 81444316) that are relatively prime to 81444316.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-four thousand three hundred sixteen

Notation

Scientific notation 8.1444316 × 10^7
Engineering notation 8.1444316 × 10^6

Prime Factorization of 81444316

Prime Factorization 2 × 2 × 31 × 656809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40722158
Product of the distinct prime numbers

The prime factorization of 81444316 is 2 × 2 × 31 × 656809. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 99, 25, 615, 838, 7738, 9062, 29820, 94874, 24579, 447302, 1516162, 546809, 75590484, 55504537, 623795510, 41920302, 8480938781, 2558912788

Basic calculations (n = 81444316)

Multiplication

n×y
n×2 162888632
n×3 244332948
n×4 325777264
n×5 407221580

Division

n÷y
n÷2 40722158
n÷3 27148105.333333
n÷3 20361079
n÷5 16288863.2

Exponentiation

ny
n2 6633176608707856
n3 5.4023453180341E+23
n4 4.3999031922309E+31
n5 3.5834710595746E+39

Nth Root

y√n
2√n 9024.6504641454
3√n 433.46455802234
4√n 94.998160319795
5√n 38.209570507792

Divisors of 81444316

1, 2, 4, 31, 62, 124, 656809, 1313618, 2627236, 20361079, 40722158, 81444316

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 -81444315
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 81444316 can be divided by 12 positive divisors. The sum of these divisors (counting 81444316) is 1, the average is 0.083333333333333.

Base conversion 81444316

Base System Value
2 Binary 100110110101011110111011100
3 Ternary 12200020210121011
4 Quaternary 10312223313130
5 Quinary 131322204231
6 Senary 12025345004
8 Octal 466536734
10 Decimal 81444316
12 Duodecimal 23338164
16 Hexadecimal 4dabddc
20 Vigesimal 1590afg
36 Base36 1chmu4

Cryptographic Hash Functions

md5 fd370b9b2e03ff16b021a9b4c99d736a
sha1 d96238339ed525c4c57187cce92ed618bf6e1006
sha256 5a527474b8b896687ab724c72af3778b388bc6905c730f3e665858be5a9d9647
sha512 fc4b564ea9f6292949b5890b24ae65dd6af23db63381d916c5fe9e014afb7f64d0098efd68dd4b1af2d3fdb21ac6789a7760f84806f1f2db8f26206e68178c96
ripemd-160 01d822bf0150334157e3b22f1ce1df5339ef8bd0

81444316 as geometric shapes

Circle

Radius = n
Diameter 162888632
Circumference 511729729.64449
Area 2.083873890388E+16

Sphere

Radius = n
Volume 2.2629291151055E+24
Surface area 8.3354955615521E+16
Circumference 511729729.64449

Square

Length = n
Perimeter 325777264
Area 6633176608707856
Diagonal 115179656.2654

Cube

Length = n
Surface area 39799059652247136
Volume 5.4023453180341E+23
Space diagonal 141065693.29969

Equilateral Triangle

Length = n
Perimeter 244332948
Area 2.8722497254649E+15
Altitude 70532846.649847

Triangular Pyramid

Length = n
Surface area 2.8722497254649E+15
Volume 6.3667250144889E+22
Height 38393218.755133