72705 (number)

72705 is an odd 5-digits composite number following 72704 and preceding 72706. In scientific notation, it is written as 7.2705 × 10^4. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 37440 positive integers (up to 72705) that are relatively prime to 72705.

Interesting facts

Basic properties

Name

Name seventy-two thousand seven hundred five

Notation

Scientific notation 7.2705 × 10^4
Engineering notation 7.2705 × 10^3

Prime Factorization of 72705

Prime Factorization 15 × 37 × 131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72705
Product of the distinct prime numbers

The prime factorization of 72705 is 15 × 37 × 131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 90, 58, 543, 176, 3927, 6346, 35683, 72625, 422499, 444416, 9965047, 5484620, 80235049, 77198242, 793191408, 892241238, 5817631126, 6945805638

Basic calculations (n = 72705)

Multiplication

n×y
n×2 145410
n×3 218115
n×4 290820
n×5 363525

Division

n÷y
n÷2 36352.5
n÷3 24235
n÷3 18176.25
n÷5 14541

Exponentiation

ny
n2 5286017025
n3 384319867802625
n4 2.794197598859E+19
n5 2.0315213642504E+24

Nth Root

y√n
2√n 269.63864708161
3√n 41.737018924359
4√n 16.420677424565
5√n 9.3823764836015

Divisors of 72705

1, 15, 37, 131, 555, 1965, 4847, 72705

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72704
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72705 can be divided by 8 positive divisors. The sum of these divisors (counting 72705) is 1, the average is 0.125.

Base conversion 72705

Base System Value
2 Binary 10001110000000001
3 Ternary 10200201210
4 Quaternary 101300001
5 Quinary 4311310
6 Senary 1320333
8 Octal 216001
10 Decimal 72705
12 Duodecimal 360a9
16 Hexadecimal 11c01
20 Vigesimal 91f5
36 Base36 1k3l

Cryptographic Hash Functions

md5 5523a66dbd89313ecdd5acddf40d6ace
sha1 17766fae72b8b0abb370667d4da8e93ad2f8712b
sha256 81d258d0e032117331154de355b6c99d5115327ed658099c441e91629e514426
sha512 770719e06ed37e6f14bda373a006a80ba409be4a4bc9f583e7a4403f9a7ae485312340cb622e801f3d7ba89a7faa845a7f8fc5c327d7b69e00e66dfbaa841470
ripemd-160 2408dadce547166479f4c2ccf778a056c15f116d

72705 as geometric shapes

Circle

Radius = n
Diameter 145410
Circumference 456818.98775849
Area 16606512252.491

Sphere

Radius = n
Volume 1.6098352977564E+15
Surface area 66426049009.962
Circumference 456818.98775849

Square

Length = n
Perimeter 290820
Area 5286017025
Diagonal 102820.39705234

Cube

Length = n
Surface area 31716102150
Volume 384319867802625
Space diagonal 125928.7539643

Equilateral Triangle

Length = n
Perimeter 218115
Area 2288912514.2435
Altitude 62964.376982148

Triangular Pyramid

Length = n
Surface area 2288912514.2435
Volume 45292530777992
Height 34273.465684112