81361260 (number)

81361260 is an even 8-digits composite number following 81361259 and preceding 81361261. In scientific notation, it is written as 8.1361260 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 21695040 positive integers (up to 81361260) that are relatively prime to 81361260.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-one thousand two hundred sixty

Notation

Scientific notation 8.1361260 × 10^7
Engineering notation 8.1361260 × 10^6

Prime Factorization of 81361260

Prime Factorization 2 × 2 × 15 × 3 × 27 × 16741

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 40680630
Product of the distinct prime numbers

The prime factorization of 81361260 is 2 × 2 × 15 × 3 × 27 × 16741. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81361260)

Multiplication

n×y
n×2 162722520
n×3 244083780
n×4 325445040
n×5 406806300

Division

n÷y
n÷2 40680630
n÷3 27120420
n÷3 20340315
n÷5 16272252

Exponentiation

ny
n2 6619654628787600
n3 5.3858344136299E+23
n4 4.3819827404429E+31
n5 3.5652363706069E+39

Nth Root

y√n
2√n 9020.0476717144
3√n 433.31716047464
4√n 94.97393153763
5√n 38.201774188612

Divisors of 81361260

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81361259
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81361260 can be divided by 48 positive divisors. The sum of these divisors (counting 81361260) is 1, the average is 0.020833333333333.

Base conversion 81361260

Base System Value
2 Binary 100110110010111100101101100
3 Ternary 12200002120200000
4 Quaternary 10312113211230
5 Quinary 131312030020
6 Senary 12023504300
8 Octal 466274554
10 Decimal 81361260
12 Duodecimal 232b8090
16 Hexadecimal 4d9796c
20 Vigesimal 158a330
36 Base36 1cfur0

Cryptographic Hash Functions

md5 240c1d2b05fdde3e0bfcdfc3c3359e3e
sha1 9c9b99433f1df62b32b0047255dfa3b4f6bff8ac
sha256 9ac5569c05ca8fb99ee4d0a1815e7927180d0fb68e2028a7583606c3a2a805c1
sha512 eb16f17f212d8cfba4040cf16b44a79076b58cc75e936f753a289126876ed208293c8d45a437c9fd4cc014ca0ea7ba031961b821c9be6172b25c870a06347156
ripemd-160 2bde5a0a1b487496cf56436c9bf4151cb0d70f31

81361260 as geometric shapes

Circle

Radius = n
Diameter 162722520
Circumference 511207873.40562
Area 2.0796258351101E+16

Sphere

Radius = n
Volume 2.2560130436414E+24
Surface area 8.3185033404403E+16
Circumference 511207873.40562

Square

Length = n
Perimeter 325445040
Area 6619654628787600
Diagonal 115062197.34376

Cube

Length = n
Surface area 39717927772725600
Volume 5.3858344136299E+23
Space diagonal 140921836.08782

Equilateral Triangle

Length = n
Perimeter 244083780
Area 2.8663945364047E+15
Altitude 70460918.043911

Triangular Pyramid

Length = n
Surface area 2.8663945364047E+15
Volume 6.3472667270426E+22
Height 38354065.781255