72215985 (number)

72215985 is an odd 8-digits composite number following 72215984 and preceding 72215986. In scientific notation, it is written as 7.2215985 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 38515184 positive integers (up to 72215985) that are relatively prime to 72215985.

Interesting facts

Basic properties

Name

Name seventy-two million two hundred fifteen thousand nine hundred eighty-five

Notation

Scientific notation 7.2215985 × 10^7
Engineering notation 7.2215985 × 10^6

Prime Factorization of 72215985

Prime Factorization 15 × 4814399

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72215985
Product of the distinct prime numbers

The prime factorization of 72215985 is 15 × 4814399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 6, 78, 68, 77, 90, 4093, 355, 36076, 89994, 517759, 46053, 851811, 2508822, 81130882, 52003772, 194470952, 735225248, 3062852606, 7408171891

Basic calculations (n = 72215985)

Multiplication

n×y
n×2 144431970
n×3 216647955
n×4 288863940
n×5 361079925

Division

n÷y
n÷2 36107992.5
n÷3 24071995
n÷3 18053996.25
n÷5 14443197

Exponentiation

ny
n2 5215148489520225
n3 3.7661708509197E+23
n4 2.7197773767745E+31
n5 1.9641140224449E+39

Nth Root

y√n
2√n 8497.9988820898
3√n 416.43233721779
4√n 92.184591348499
5√n 37.301531905165

Divisors of 72215985

1, 15, 4814399, 72215985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72215984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72215985 can be divided by 4 positive divisors. The sum of these divisors (counting 72215985) is 1, the average is 0.25.

Base conversion 72215985

Base System Value
2 Binary 100010011011110110110110001
3 Ternary 12000212221201010
4 Quaternary 10103132312301
5 Quinary 121441402420
6 Senary 11055501133
8 Octal 423366661
10 Decimal 72215985
12 Duodecimal 202277a9
16 Hexadecimal 44dedb1
20 Vigesimal 12b6jj5
36 Base36 16zu7l

Cryptographic Hash Functions

md5 cc34839a8e8da769d2f2943cb0637c97
sha1 6ac794227fa3a752014053c6e6f71503607b9909
sha256 3cb07e5f8b1cf288967ed690e95d40bb7223a378345a54a3c8596f2063ae6ec9
sha512 68b8d81679264530c8884c0b470fbd26462620fdf5a575d44fe0cc7733a6f629e273879a498f4fc6d576c6787fff2b89ce7ed7b4c3111e489950077917429329
ripemd-160 b89fb278c8e2abd6842f7defd1befbaf27d9134b

72215985 as geometric shapes

Circle

Radius = n
Diameter 144431970
Circumference 453746415.8955
Area 1.6383872182057E+16

Sphere

Radius = n
Volume 1.5775699569884E+24
Surface area 6.5535488728227E+16
Circumference 453746415.8955

Square

Length = n
Perimeter 288863940
Area 5215148489520225
Diagonal 102128825.40713

Cube

Length = n
Surface area 31290890937121350
Volume 3.7661708509197E+23
Space diagonal 125081755.13863

Equilateral Triangle

Length = n
Perimeter 216647955
Area 2.2582255382163E+15
Altitude 62540877.569316

Triangular Pyramid

Length = n
Surface area 2.2582255382163E+15
Volume 4.4384749129873E+22
Height 34042941.802377