72181869 (number)

72181869 is an odd 8-digits composite number following 72181868 and preceding 72181870. In scientific notation, it is written as 7.2181869 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 47966880 positive integers (up to 72181869) that are relatively prime to 72181869.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-one thousand eight hundred sixty-nine

Notation

Scientific notation 7.2181869 × 10^7
Engineering notation 7.2181869 × 10^6

Prime Factorization of 72181869

Prime Factorization 3 × 313 × 76871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72181869
Product of the distinct prime numbers

The prime factorization of 72181869 is 3 × 313 × 76871. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181869)

Multiplication

n×y
n×2 144363738
n×3 216545607
n×4 288727476
n×5 360909345

Division

n÷y
n÷2 36090934.5
n÷3 24060623
n÷3 18045467.25
n÷5 14436373.8

Exponentiation

ny
n2 5210222212333161
n3 3.7608357719152E+23
n4 2.714641550189E+31
n5 1.959479007577E+39

Nth Root

y√n
2√n 8495.9913488657
3√n 416.36675043018
4√n 92.173702046005
5√n 37.298006869522

Divisors of 72181869

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 -72181868
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 72181869 can be divided by 8 positive divisors. The sum of these divisors (counting 72181869) is 1, the average is 0.125.

Base conversion 72181869

Base System Value
2 Binary 100010011010110100001101101
3 Ternary 12000211012220120
4 Quaternary 10103112201231
5 Quinary 121434304434
6 Senary 11055035153
8 Octal 423264155
10 Decimal 72181869
12 Duodecimal 2020bab9
16 Hexadecimal 44d686d
20 Vigesimal 12b2ed9
36 Base36 16z3vx

Cryptographic Hash Functions

md5 6b1b14cb624507e33796cde0ff936d3e
sha1 7e3092379e39c4e0f3eaa54e28beb8a01a9fb8db
sha256 2899f97ff08a12ef18dc757edc33fd920225fef5d5254edcb52c8935f14d13d3
sha512 ab476ab708b43c814ebeda9467c6b5a55b9709f60ab0211d36ed412838988423ffc2e728ee4b8e7552b4960535422aec3a007f782a6504699370e45f176f2378
ripemd-160 ebafe0581f53b6797d585cfdd986ac156ddf1e12

72181869 as geometric shapes

Circle

Radius = n
Diameter 144363738
Circumference 453532058.74556
Area 1.6368395825836E+16

Sphere

Radius = n
Volume 1.5753352043209E+24
Surface area 6.5473583303345E+16
Circumference 453532058.74556

Square

Length = n
Perimeter 288727476
Area 5210222212333161
Diagonal 102080578.09724

Cube

Length = n
Surface area 31261333273998966
Volume 3.7608357719152E+23
Space diagonal 125022664.49328

Equilateral Triangle

Length = n
Perimeter 216545607
Area 2.2560923976212E+15
Altitude 62511332.24664

Triangular Pyramid

Length = n
Surface area 2.2560923976212E+15
Volume 4.4321874620837E+22
Height 34026859.365746