81437710 (number)

81437710 is an even 8-digits composite number following 81437709 and preceding 81437711. In scientific notation, it is written as 8.1437710 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 30713760 positive integers (up to 81437710) that are relatively prime to 81437710.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred thirty-seven thousand seven hundred ten

Notation

Scientific notation 8.1437710 × 10^7
Engineering notation 8.1437710 × 10^6

Prime Factorization of 81437710

Prime Factorization 2 × 5 × 23 × 71 × 4987

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81437710
Product of the distinct prime numbers

The prime factorization of 81437710 is 2 × 5 × 23 × 71 × 4987. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81437710)

Multiplication

n×y
n×2 162875420
n×3 244313130
n×4 325750840
n×5 407188550

Division

n÷y
n÷2 40718855
n÷3 27145903.333333
n÷3 20359427.5
n÷5 16287542

Exponentiation

ny
n2 6632100610044100
n3 5.4010308617159E+23
n4 4.3984758501747E+31
n5 3.5820180072853E+39

Nth Root

y√n
2√n 9024.284459169
3√n 433.45283817729
4√n 94.996233920977
5√n 38.208950647193

Divisors of 81437710

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 -81437709
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 81437710 can be divided by 32 positive divisors. The sum of these divisors (counting 81437710) is 1, the average is 0.03125.

Base conversion 81437710

Base System Value
2 Binary 100110110101010010000001110
3 Ternary 12200020110112111
4 Quaternary 10312222100032
5 Quinary 131322001320
6 Senary 12025254234
8 Octal 466522016
10 Decimal 81437710
12 Duodecimal 2333437a
16 Hexadecimal 4daa40e
20 Vigesimal 158je5a
36 Base36 1chhqm

Cryptographic Hash Functions

md5 2f7ac930f3498734e9f92b835dcafd4f
sha1 b2599ab39a794ba39d321994c21b7c91b8097427
sha256 925d0c4d2a68430ea6abef5855197096f25cb48ff037413fdaaa99e0fe2da02c
sha512 43adfdd632ba877f41b4d04b5960720def710d419dcb2cadd1f49bcf93dfc5a2591c9ecf0230a02bfda5666758c76968c2267f450040f0c7bf7f9ba1b4f0e163
ripemd-160 84c73cab519a71e7c529cc4e36cb01537fd2c85c

81437710 as geometric shapes

Circle

Radius = n
Diameter 162875420
Circumference 511688222.92235
Area 2.0835358554383E+16

Sphere

Radius = n
Volume 2.2623785169305E+24
Surface area 8.3341434217532E+16
Circumference 511688222.92235

Square

Length = n
Perimeter 325750840
Area 6632100610044100
Diagonal 115170313.97061

Cube

Length = n
Surface area 39792603660264600
Volume 5.4010308617159E+23
Space diagonal 141054251.37206

Equilateral Triangle

Length = n
Perimeter 244313130
Area 2.8717838043762E+15
Altitude 70527125.68603

Triangular Pyramid

Length = n
Surface area 2.8717838043762E+15
Volume 6.3651759128619E+22
Height 38390104.656869