72390987 (number)

72390987 is an odd 8-digits composite number following 72390986 and preceding 72390988. In scientific notation, it is written as 7.2390987 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 48222000 positive integers (up to 72390987) that are relatively prime to 72390987.

Interesting facts

Basic properties

Name

Name seventy-two million three hundred ninety thousand nine hundred eighty-seven

Notation

Scientific notation 7.2390987 × 10^7
Engineering notation 7.2390987 × 10^6

Prime Factorization of 72390987

Prime Factorization 9 × 1693 × 4751

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72390987
Product of the distinct prime numbers

The prime factorization of 72390987 is 9 × 1693 × 4751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72390987)

Multiplication

n×y
n×2 144781974
n×3 217172961
n×4 289563948
n×5 361954935

Division

n÷y
n÷2 36195493.5
n÷3 24130329
n÷3 18097746.75
n÷5 14478197.4

Exponentiation

ny
n2 5240454998834169
n3 3.7936170969469E+23
n4 2.7462368594806E+31
n5 1.9880279679358E+39

Nth Root

y√n
2√n 8508.289311019
3√n 416.76844795312
4√n 92.240388718928
5√n 37.319593070615

Divisors of 72390987

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 -72390986
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 72390987 can be divided by 8 positive divisors. The sum of these divisors (counting 72390987) is 1, the average is 0.125.

Base conversion 72390987

Base System Value
2 Binary 100010100001001100101001011
3 Ternary 12001012211202200
4 Quaternary 10110021211023
5 Quinary 122013002422
6 Senary 11103331243
8 Octal 424114513
10 Decimal 72390987
12 Duodecimal 202b0b23
16 Hexadecimal 450994b
20 Vigesimal 12c8h97
36 Base36 173l8r

Cryptographic Hash Functions

md5 de993a80218fb54bcce938bf27b21b0a
sha1 fb3993819122c41ddaf473f43c1e240337660913
sha256 1170235bcb06f426b2226325568d8d9d9d94ebc6c97fe264a022e6f61fa53dc5
sha512 25da150b13d468c0773404e3cf647cdbe21931511c4475671929147e11868bf9ed7efc7634e6e3781e80f8c75acc2e748dd7b8f72373a9c5553b72336a7d1185
ripemd-160 a61bf6159281d6067c5d51e79b9ffded03699e8a

72390987 as geometric shapes

Circle

Radius = n
Diameter 144781974
Circumference 454845985.89063
Area 1.6463374925805E+16

Sphere

Radius = n
Volume 1.5890666136401E+24
Surface area 6.5853499703221E+16
Circumference 454845985.89063

Square

Length = n
Perimeter 289563948
Area 5240454998834169
Diagonal 102376315.60897

Cube

Length = n
Surface area 31442729993005014
Volume 3.7936170969469E+23
Space diagonal 125384867.49406

Equilateral Triangle

Length = n
Perimeter 217172961
Area 2.2691835781898E+15
Altitude 62692433.747029

Triangular Pyramid

Length = n
Surface area 2.2691835781898E+15
Volume 4.4708206241273E+22
Height 34125438.536325