72645 (number)

72645 is an odd 5-digits composite number following 72644 and preceding 72646. In scientific notation, it is written as 7.2645 × 10^4. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 37184 positive integers (up to 72645) that are relatively prime to 72645.

Interesting facts

Basic properties

Name

Name seventy-two thousand six hundred forty-five

Notation

Scientific notation 7.2645 × 10^4
Engineering notation 7.2645 × 10^3

Prime Factorization of 72645

Prime Factorization 3 × 5 × 29 × 167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72645
Product of the distinct prime numbers

The prime factorization of 72645 is 3 × 5 × 29 × 167. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 41, 47, 923, 901, 2763, 9436, 31388, 8236, 613986, 434090, 6905579, 5966675, 20982332, 57666600, 731234259, 267079085, 4841485871, 6663776069

Basic calculations (n = 72645)

Multiplication

n×y
n×2 145290
n×3 217935
n×4 290580
n×5 363225

Division

n÷y
n÷2 36322.5
n÷3 24215
n÷3 18161.25
n÷5 14529

Exponentiation

ny
n2 5277296025
n3 383369169736125
n4 2.7849853335481E+19
n5 2.023152595556E+24

Nth Root

y√n
2√n 269.52736410242
3√n 41.725534568293
4√n 16.417288573404
5√n 9.3808274057965

Divisors of 72645

1, 3, 5, 15, 29, 87, 145, 167, 435, 501, 835, 2505, 4843, 14529, 24215, 72645

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72645 can be divided by 16 positive divisors. The sum of these divisors (counting 72645) is 1, the average is 0.0625.

Base conversion 72645

Base System Value
2 Binary 10001101111000101
3 Ternary 10200122120
4 Quaternary 101233011
5 Quinary 4311040
6 Senary 1320153
8 Octal 215705
10 Decimal 72645
12 Duodecimal 36059
16 Hexadecimal 11bc5
20 Vigesimal 91c5
36 Base36 1k1x

Cryptographic Hash Functions

md5 892e3f2e33b24cbb580f341da1066868
sha1 fabb43bb78c8220a1b2ab0884a78eef219acce96
sha256 dc8d43b4c8c0a95529aad3439f1a1876ee53e765b8ce4cb69b4b25b0a64f2534
sha512 e8c0e5611ee1f4766b93b265d26b710b90096a6c7e07f0ca1afcb5dbc877936a2bddb5b0b6eea36d1142bf3a1f47c6b6bdc411330ec9e5aef8333ad72fba2f10
ripemd-160 9c40450c0f97289889f727c8396f98a273128b30

72645 as geometric shapes

Circle

Radius = n
Diameter 145290
Circumference 456441.99664006
Area 16579114422.959

Sphere

Radius = n
Volume 1.6058530230078E+15
Surface area 66316457691.834
Circumference 456441.99664006

Square

Length = n
Perimeter 290580
Area 5277296025
Diagonal 102735.54423859

Cube

Length = n
Surface area 31663776150
Volume 383369169736125
Space diagonal 125824.83091584

Equilateral Triangle

Length = n
Perimeter 217935
Area 2285136210.4703
Altitude 62912.415457921

Triangular Pyramid

Length = n
Surface area 2285136210.4703
Volume 45180489936378
Height 34245.181412864