72181814 (number)

72181814 is an even 8-digits composite number following 72181813 and preceding 72181815. In scientific notation, it is written as 7.2181814 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 36090906 positive integers (up to 72181814) that are relatively prime to 72181814.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2181814 × 10^7
Engineering notation 7.2181814 × 10^6

Prime Factorization of 72181814

Prime Factorization 2 × 36090907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72181814
Product of the distinct prime numbers

The prime factorization of 72181814 is 2 × 36090907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181814)

Multiplication

n×y
n×2 144363628
n×3 216545442
n×4 288727256
n×5 360909070

Division

n÷y
n÷2 36090907
n÷3 24060604.666667
n÷3 18045453.5
n÷5 14436362.8

Exponentiation

ny
n2 5210214272330596
n3 3.7608271750551E+23
n4 2.7146332763597E+31
n5 1.9594715423241E+39

Nth Root

y√n
2√n 8495.9881120444
3√n 416.36664467796
4√n 92.173684487734
5√n 37.298001185571

Divisors of 72181814

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 -72181813
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 72181814 can be divided by 4 positive divisors. The sum of these divisors (counting 72181814) is 1, the average is 0.25.

Base conversion 72181814

Base System Value
2 Binary 100010011010110100000110110
3 Ternary 12000211012211112
4 Quaternary 10103112200312
5 Quinary 121434304224
6 Senary 11055035022
8 Octal 423264066
10 Decimal 72181814
12 Duodecimal 2020ba72
16 Hexadecimal 44d6836
20 Vigesimal 12b2eae
36 Base36 16z3ue

Cryptographic Hash Functions

md5 2030b94ecd38c5bfa905d1ecc2a319e8
sha1 0b4f3ad79128ac7d4150db62fc84ce0fc0db77dc
sha256 6c7d41c21be86d34a06d48edf63fcbdfcfa760f6c49dd8497ebdadc3f4b19f25
sha512 3bcf0446ece72670c1f5eb0026b9e996826e1ba680ad3bb8d635ee1279f3c78029c7ab650eaf0961a89992d683f2ba3cb291db306bb07cf22f45bf9fe3e46749
ripemd-160 118ee78238ebcffb53a0190332084eb0db80b52f

72181814 as geometric shapes

Circle

Radius = n
Diameter 144363628
Circumference 453531713.17037
Area 1.6368370881582E+16

Sphere

Radius = n
Volume 1.5753316032765E+24
Surface area 6.547348352633E+16
Circumference 453531713.17037

Square

Length = n
Perimeter 288727256
Area 5210214272330596
Diagonal 102080500.31549

Cube

Length = n
Surface area 31261285633983576
Volume 3.7608271750551E+23
Space diagonal 125022569.23049

Equilateral Triangle

Length = n
Perimeter 216545442
Area 2.2560889594993E+15
Altitude 62511284.615243

Triangular Pyramid

Length = n
Surface area 2.2560889594993E+15
Volume 4.4321773305869E+22
Height 34026833.438497