81237300 (number)

81237300 is an even 8-digits composite number following 81237299 and preceding 81237301. In scientific notation, it is written as 8.1237300 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors. There are 21663200 positive integers (up to 81237300) that are relatively prime to 81237300.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred thirty-seven thousand three hundred

Notation

Scientific notation 8.1237300 × 10^7
Engineering notation 8.1237300 × 10^6

Prime Factorization of 81237300

Prime Factorization 2 × 2 × 75 × 270791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40618650
Product of the distinct prime numbers

The prime factorization of 81237300 is 2 × 2 × 75 × 270791. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 12, 3, 133, 363, 9031, 53, 71073, 36556, 933057, 104971, 2047807, 8817084, 40551098, 78396638, 155703630, 321351255, 6628922266, 4761910668

Basic calculations (n = 81237300)

Multiplication

n×y
n×2 162474600
n×3 243711900
n×4 324949200
n×5 406186500

Division

n÷y
n÷2 40618650
n÷3 27079100
n÷3 20309325
n÷5 16247460

Exponentiation

ny
n2 6599498911290000
n3 5.3612547290614E+23
n4 4.3553385880118E+31
n5 3.5381594747589E+39

Nth Root

y√n
2√n 9013.1736918801
3√n 433.09698485531
4√n 94.937735868727
5√n 38.190126432614

Divisors of 81237300

1, 2, 4, 75, 150, 300, 270791, 541582, 1083164, 20309325, 40618650, 81237300

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 -81237299
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 81237300 can be divided by 12 positive divisors. The sum of these divisors (counting 81237300) is 1, the average is 0.083333333333333.

Base conversion 81237300

Base System Value
2 Binary 100110101111001010100110100
3 Ternary 12122212021121220
4 Quaternary 10311321110310
5 Quinary 131244043200
6 Senary 12021110340
8 Octal 465712464
10 Decimal 81237300
12 Duodecimal 232583b0
16 Hexadecimal 4d79534
20 Vigesimal 157ed50
36 Base36 1cd73o

Cryptographic Hash Functions

md5 89ff002e8eb8c796751bc9c2dc93f6a6
sha1 c2bceca59160b54c0025d499447b04c93e4b9bc2
sha256 07b368fbde7a15723c56c547cac21041bf96a1a021a672ce617248f6fe75f490
sha512 d44b34edf42aea0f5f9f47dcf19f03550f17cb51586a1907879731cde6137d9645c750b4b6d528add80c7662e174581532446c75a43ce588ba63c7d94242f3c6
ripemd-160 c3cd1f02774cb34f66aeb8703eaf8ebad5f87854

81237300 as geometric shapes

Circle

Radius = n
Diameter 162474600
Circumference 510429009.75494
Area 2.0732937297082E+16

Sphere

Radius = n
Volume 2.2457171294457E+24
Surface area 8.293174918833E+16
Circumference 510429009.75494

Square

Length = n
Perimeter 324949200
Area 6599498911290000
Diagonal 114886891.43057

Cube

Length = n
Surface area 39596993467740000
Volume 5.3612547290614E+23
Space diagonal 140707131.06972

Equilateral Triangle

Length = n
Perimeter 243711900
Area 2.8576668547124E+15
Altitude 70353565.534858

Triangular Pyramid

Length = n
Surface area 2.8576668547124E+15
Volume 6.3182992909796E+22
Height 38295630.476857