72185813 (number)

72185813 is an odd 8-digits composite number following 72185812 and preceding 72185814. In scientific notation, it is written as 7.2185813 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 61873548 positive integers (up to 72185813) that are relatively prime to 72185813.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-five thousand eight hundred thirteen

Notation

Scientific notation 7.2185813 × 10^7
Engineering notation 7.2185813 × 10^6

Prime Factorization of 72185813

Prime Factorization 7 × 10312259

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72185813
Product of the distinct prime numbers

The prime factorization of 72185813 is 7 × 10312259. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72185813)

Multiplication

n×y
n×2 144371626
n×3 216557439
n×4 288743252
n×5 360929065

Division

n÷y
n÷2 36092906.5
n÷3 24061937.666667
n÷3 18046453.25
n÷5 14437162.6

Exponentiation

ny
n2 5210791598470969
n3 3.761452279092E+23
n4 2.7152349082696E+31
n5 1.9600143933942E+39

Nth Root

y√n
2√n 8496.2234551594
3√n 416.37433368517
4√n 92.174961107447
5√n 37.298414451443

Divisors of 72185813

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 -72185812
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 72185813 can be divided by 4 positive divisors. The sum of these divisors (counting 72185813) is 1, the average is 0.25.

Base conversion 72185813

Base System Value
2 Binary 100010011010111011111010101
3 Ternary 12000211102022122
4 Quaternary 10103113133111
5 Quinary 121434421223
6 Senary 11055105325
8 Octal 423273725
10 Decimal 72185813
12 Duodecimal 20212245
16 Hexadecimal 44d77d5
20 Vigesimal 12b34ad
36 Base36 16z6xh

Cryptographic Hash Functions

md5 5f501b58136a6ead32d1d9491052f98c
sha1 7fea21583e298051025880f03be974dcfadae63b
sha256 c39b6366ffb2d04377d23ca0efaaa42524b9f32fd82440d38c643c9278b29f25
sha512 9c22be323bef3490b1a661dd9f38e2a5246b8e28e33f40edc6b68df3c8382d7bfcd31165723973eb5aec3728ee4f875cab39d90a99725532678a73b0f6b664bf
ripemd-160 3ed00f2dbb14839a26e60d2ec3a24ecb69f44b08

72185813 as geometric shapes

Circle

Radius = n
Diameter 144371626
Circumference 453556839.62841
Area 1.6370184605144E+16

Sphere

Radius = n
Volume 1.5755934462432E+24
Surface area 6.5480738420575E+16
Circumference 453556839.62841

Square

Length = n
Perimeter 288743252
Area 5210791598470969
Diagonal 102086155.75553

Cube

Length = n
Surface area 31264749590825814
Volume 3.761452279092E+23
Space diagonal 125029495.70167

Equilateral Triangle

Length = n
Perimeter 216557439
Area 2.2563389490512E+15
Altitude 62514747.850833

Triangular Pyramid

Length = n
Surface area 2.2563389490512E+15
Volume 4.4329140227592E+22
Height 34028718.585176