81437350 (number)

81437350 is an even 8-digits composite number following 81437349 and preceding 81437351. In scientific notation, it is written as 8.1437350 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 32574920 positive integers (up to 81437350) that are relatively prime to 81437350.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred thirty-seven thousand three hundred fifty

Notation

Scientific notation 8.1437350 × 10^7
Engineering notation 8.1437350 × 10^6

Prime Factorization of 81437350

Prime Factorization 2 × 5 × 5 × 1628747

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16287470
Product of the distinct prime numbers

The prime factorization of 81437350 is 2 × 5 × 5 × 1628747. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81437350)

Multiplication

n×y
n×2 162874700
n×3 244312050
n×4 325749400
n×5 407186750

Division

n÷y
n÷2 40718675
n÷3 27145783.333333
n÷3 20359337.5
n÷5 16287470

Exponentiation

ny
n2 6632041975022500
n3 5.400959235346E+23
n4 4.398398075846E+31
n5 3.58193883542E+39

Nth Root

y√n
2√n 9024.2645129672
3√n 433.45219947542
4√n 94.996128936748
5√n 38.208916866168

Divisors of 81437350

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 -81437349
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 81437350 can be divided by 12 positive divisors. The sum of these divisors (counting 81437350) is 1, the average is 0.083333333333333.

Base conversion 81437350

Base System Value
2 Binary 100110110101010001010100110
3 Ternary 12200020110001011
4 Quaternary 10312222022212
5 Quinary 131321443400
6 Senary 12025252434
8 Octal 466521246
10 Decimal 81437350
12 Duodecimal 2333411a
16 Hexadecimal 4daa2a6
20 Vigesimal 158jd7a
36 Base36 1chhgm

Cryptographic Hash Functions

md5 ac3ad7b3d91760503b195f6d6e1716b7
sha1 cd896af0321bfec3dd3d83bad5cc70a4aa6d1e19
sha256 12224be965caa71f3aa6c060cb0c06a77fb5a343b082186994c79aeeeda6745c
sha512 72cb441e2e94ce3572808f815ea01ec1bab72d016962bd896e7bbf695df8330f6fa88260daf772783de1f714d9e69627db33c1de4429d08973943e01954ad8bd
ripemd-160 4d0b3456e69c08009f2330396ee16e73195096ed

81437350 as geometric shapes

Circle

Radius = n
Diameter 162874700
Circumference 511685960.97564
Area 2.083517434703E+16

Sphere

Radius = n
Volume 2.2623485141468E+24
Surface area 8.3340697388119E+16
Circumference 511685960.97564

Square

Length = n
Perimeter 325749400
Area 6632041975022500
Diagonal 115169804.85372

Cube

Length = n
Surface area 39792251850135000
Volume 5.400959235346E+23
Space diagonal 141053627.83377

Equilateral Triangle

Length = n
Perimeter 244312050
Area 2.8717584146671E+15
Altitude 70526813.916885

Triangular Pyramid

Length = n
Surface area 2.8717584146671E+15
Volume 6.3650915003754E+22
Height 38389934.951242