72187894 (number)

72187894 is an even 8-digits composite number following 72187893 and preceding 72187895. In scientific notation, it is written as 7.2187894 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 36093946 positive integers (up to 72187894) that are relatively prime to 72187894.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-seven thousand eight hundred ninety-four

Notation

Scientific notation 7.2187894 × 10^7
Engineering notation 7.2187894 × 10^6

Prime Factorization of 72187894

Prime Factorization 2 × 36093947

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72187894
Product of the distinct prime numbers

The prime factorization of 72187894 is 2 × 36093947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72187894)

Multiplication

n×y
n×2 144375788
n×3 216563682
n×4 288751576
n×5 360939470

Division

n÷y
n÷2 36093947
n÷3 24062631.333333
n÷3 18046973.5
n÷5 14437578.8

Exponentiation

ny
n2 5211092040155236
n3 3.7617775981897E+23
n4 2.7155480250969E+31
n5 1.9602969298761E+39

Nth Root

y√n
2√n 8496.3459204531
3√n 416.37833477914
4√n 92.175625413951
5√n 37.298629499531

Divisors of 72187894

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 -72187893
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 72187894 can be divided by 4 positive divisors. The sum of these divisors (counting 72187894) is 1, the average is 0.25.

Base conversion 72187894

Base System Value
2 Binary 100010011010111111111110110
3 Ternary 12000211112011201
4 Quaternary 10103113333312
5 Quinary 121440003034
6 Senary 11055123114
8 Octal 423277766
10 Decimal 72187894
12 Duodecimal 2021349a
16 Hexadecimal 44d7ff6
20 Vigesimal 12b39ee
36 Base36 16z8ja

Cryptographic Hash Functions

md5 1a96a50458798d1512b8be74e4d9e316
sha1 98c7a140c0055e0565d017b53be7d0e4a8428aad
sha256 9e3231719df65c9f94120e360766d6882c5fd91c5679c92ed96a96b33b46ce76
sha512 7220065c21aba04feabef46e09f5dc07b75465bde6df93feffa58f211da4ec8fb91b0f09de4a79a3c5a80e69b1c1bae8b8e6bd64afca388827e78e1bdc544290
ripemd-160 aa6fa38c184230b7ee18201a21f94a1b4a045e9b

72187894 as geometric shapes

Circle

Radius = n
Diameter 144375788
Circumference 453569914.93704
Area 1.6371128470532E+16

Sphere

Radius = n
Volume 1.5757297155882E+24
Surface area 6.5484513882128E+16
Circumference 453569914.93704

Square

Length = n
Perimeter 288751576
Area 5211092040155236
Diagonal 102089098.73395

Cube

Length = n
Surface area 31266552240931416
Volume 3.7617775981897E+23
Space diagonal 125033100.0994

Equilateral Triangle

Length = n
Perimeter 216563682
Area 2.2564690441167E+15
Altitude 62516550.049698

Triangular Pyramid

Length = n
Surface area 2.2564690441167E+15
Volume 4.4332974149926E+22
Height 34029699.577984