72181878 (number)

72181878 is an even 8-digits composite number following 72181877 and preceding 72181879. In scientific notation, it is written as 7.2181878 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 24042656 positive integers (up to 72181878) that are relatively prime to 72181878.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2181878 × 10^7
Engineering notation 7.2181878 × 10^6

Prime Factorization of 72181878

Prime Factorization 2 × 3 × 1637 × 7349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72181878
Product of the distinct prime numbers

The prime factorization of 72181878 is 2 × 3 × 1637 × 7349. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 84, 51, 570, 44, 9734, 8336, 85481, 35736, 917155, 114101, 4091767, 7925528, 46695119, 38447480, 352490475, 993958841, 1616701208, 912840582

Basic calculations (n = 72181878)

Multiplication

n×y
n×2 144363756
n×3 216545634
n×4 288727512
n×5 360909390

Division

n÷y
n÷2 36090939
n÷3 24060626
n÷3 18045469.5
n÷5 14436375.6

Exponentiation

ny
n2 5210223511606884
n3 3.7608371786754E+23
n4 2.7146429040901E+31
n5 1.959480229166E+39

Nth Root

y√n
2√n 8495.9918785272
3√n 416.36676773508
4√n 92.173704919175
5√n 37.298007799623

Divisors of 72181878

1, 2, 3, 6, 1637, 3274, 4911, 7349, 9822, 14698, 22047, 44094, 12030313, 24060626, 36090939, 72181878

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72181877
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72181878 can be divided by 16 positive divisors. The sum of these divisors (counting 72181878) is 1, the average is 0.0625.

Base conversion 72181878

Base System Value
2 Binary 100010011010110100001110110
3 Ternary 12000211012220220
4 Quaternary 10103112201312
5 Quinary 121434310003
6 Senary 11055035210
8 Octal 423264166
10 Decimal 72181878
12 Duodecimal 2020bb06
16 Hexadecimal 44d6876
20 Vigesimal 12b2edi
36 Base36 16z3w6

Cryptographic Hash Functions

md5 9b769bca92fa8b12b41e0aa05ef16be5
sha1 3c8b1af3d9b0541dfe0c97e0c1438e1293430327
sha256 344c7ec27253f2b4c54bbdfa28c6d3b5fa58660bfe4ffdb656e58c95b714c418
sha512 1ea6112b155b122a3ac874b833e5109ce31c77ae7086afcc7012bdafb9d36840f76db625285674bae69e7757c810b7114bad230da9d7531372750a2a5bcf3bfe
ripemd-160 0dcd64254a53f79c9c0ebb403f54e5847d08d33f

72181878 as geometric shapes

Circle

Radius = n
Diameter 144363756
Circumference 453532115.29423
Area 1.6368399907625E+16

Sphere

Radius = n
Volume 1.5753357935832E+24
Surface area 6.54735996305E+16
Circumference 453532115.29423

Square

Length = n
Perimeter 288727512
Area 5210223511606884
Diagonal 102080590.82516

Cube

Length = n
Surface area 31261341069641304
Volume 3.7608371786754E+23
Space diagonal 125022680.08174

Equilateral Triangle

Length = n
Perimeter 216545634
Area 2.2560929602233E+15
Altitude 62511340.040869

Triangular Pyramid

Length = n
Surface area 2.2560929602233E+15
Volume 4.4321891199664E+22
Height 34026863.608387