72918 (number)

72918 is an even 5-digits composite number following 72917 and preceding 72919. In scientific notation, it is written as 7.2918 × 10^4. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 24300 positive integers (up to 72918) that are relatively prime to 72918.

Interesting facts

Basic properties

Name

Name seventy-two thousand nine hundred eighteen

Notation

Scientific notation 7.2918 × 10^4
Engineering notation 7.2918 × 10^3

Prime Factorization of 72918

Prime Factorization 2 × 9 × 4051

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72918
Product of the distinct prime numbers

The prime factorization of 72918 is 2 × 9 × 4051. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 4, 54, 19, 429, 478, 8698, 2557, 8305, 72877, 895839, 559228, 2471225, 826772, 40595041, 76240037, 546422916, 419257810, 9037686366, 5355584940

Basic calculations (n = 72918)

Multiplication

n×y
n×2 145836
n×3 218754
n×4 291672
n×5 364590

Division

n÷y
n÷2 36459
n÷3 24306
n÷3 18229.5
n÷5 14583.6

Exponentiation

ny
n2 5317034724
n3 387707538004632
n4 2.8270858256222E+19
n5 2.0614544423272E+24

Nth Root

y√n
2√n 270.03333127597
3√n 41.777737433524
4√n 16.432690932284
5√n 9.3878674633201

Divisors of 72918

1, 2, 9, 18, 4051, 8102, 36459, 72918

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 -72917
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 72918 can be divided by 8 positive divisors. The sum of these divisors (counting 72918) is 1, the average is 0.125.

Base conversion 72918

Base System Value
2 Binary 10001110011010110
3 Ternary 10201000200
4 Quaternary 101303112
5 Quinary 4313133
6 Senary 1321330
8 Octal 216326
10 Decimal 72918
12 Duodecimal 36246
16 Hexadecimal 11cd6
20 Vigesimal 925i
36 Base36 1k9i

Cryptographic Hash Functions

md5 b0a8d92bfa1a242c305006e4d2b7f1ec
sha1 9d583d3f4f50a012401fe38c5f22bb937f99c420
sha256 7154462aec8727ca444b17a4b781576497bd925a94198e915508d690c1c73640
sha512 e9478c5eb2828a74a014a2f363cfbd832c1c60e3f578428fa0c2d3e66d6435b3aa6b2679dad2691e36018c59152631dcad73ffedf18ca5dc7539aa9307ba3ce7
ripemd-160 a585e3076a1b3ea3173e5ecbff5dacb72da0ff00

72918 as geometric shapes

Circle

Radius = n
Diameter 145836
Circumference 458157.30622892
Area 16703957227.8

Sphere

Radius = n
Volume 1.6240255375156E+15
Surface area 66815828911.201
Circumference 458157.30622892

Square

Length = n
Perimeter 291672
Area 5317034724
Diagonal 103121.62454112

Cube

Length = n
Surface area 31902208344
Volume 387707538004632
Space diagonal 126297.68078631

Equilateral Triangle

Length = n
Perimeter 218754
Area 2302343571.894
Altitude 63148.840393154

Triangular Pyramid

Length = n
Surface area 2302343571.894
Volume 45691771540036
Height 34373.87484704