72685890 (number)

72685890 is an even 8-digits composite number following 72685889 and preceding 72685891. In scientific notation, it is written as 7.2685890 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 18712512 positive integers (up to 72685890) that are relatively prime to 72685890.

Interesting facts

Basic properties

Name

Name seventy-two million six hundred eighty-five thousand eight hundred ninety

Notation

Scientific notation 7.2685890 × 10^7
Engineering notation 7.2685890 × 10^6

Prime Factorization of 72685890

Prime Factorization 2 × 45 × 3 × 29 × 9283

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 72685890
Product of the distinct prime numbers

The prime factorization of 72685890 is 2 × 45 × 3 × 29 × 9283. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72685890)

Multiplication

n×y
n×2 145371780
n×3 218057670
n×4 290743560
n×5 363429450

Division

n÷y
n÷2 36342945
n÷3 24228630
n÷3 18171472.5
n÷5 14537178

Exponentiation

ny
n2 5283238605092100
n3 3.8401690009348E+23
n4 2.7912610158336E+31
n5 2.0288529115817E+39

Nth Root

y√n
2√n 8525.6020315283
3√n 417.33361842899
4√n 92.33418668905
5√n 37.349949805299

Divisors of 72685890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72685889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72685890 can be divided by 32 positive divisors. The sum of these divisors (counting 72685890) is 1, the average is 0.03125.

Base conversion 72685890

Base System Value
2 Binary 100010101010001100101000010
3 Ternary 12001202211022000
4 Quaternary 10111101211002
5 Quinary 122101422030
6 Senary 11113524430
8 Octal 425214502
10 Decimal 72685890
12 Duodecimal 20413716
16 Hexadecimal 4551942
20 Vigesimal 12e5eea
36 Base36 179wsi

Cryptographic Hash Functions

md5 614d781916fcbf594ac1a362ad836ce6
sha1 2884d20f08ee2abd016b0efa7a99c4d6ebe04c85
sha256 f70bf91d9ed3a80d3529097f7fc36f10278c1c2c9e47ce4db6041aebd02f1285
sha512 3a801fabb0b432d886332c70f0688e20803bb3b06275760808af406fa1a64c4488a57d8631c005353fbf9e9f15a8f5d4f52d6c041c6d8080ee2a50adf81d30c5
ripemd-160 f293b19e83e666babfcd0d33d07bcc90bf221d25

72685890 as geometric shapes

Circle

Radius = n
Diameter 145371780
Circumference 456698916.08727
Area 1.6597783588919E+16

Sphere

Radius = n
Volume 1.608566229584E+24
Surface area 6.6391134355677E+16
Circumference 456698916.08727

Square

Length = n
Perimeter 290743560
Area 5283238605092100
Diagonal 102793371.43116

Cube

Length = n
Surface area 31699431630552600
Volume 3.8401690009348E+23
Space diagonal 125895654.47336

Equilateral Triangle

Length = n
Perimeter 218057670
Area 2.2877094231322E+15
Altitude 62947827.236681

Triangular Pyramid

Length = n
Surface area 2.2877094231322E+15
Volume 4.5256825691056E+22
Height 34264457.14372