72181685 (number)

72181685 is an odd 8-digits composite number following 72181684 and preceding 72181686. In scientific notation, it is written as 7.2181685 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 57706384 positive integers (up to 72181685) that are relatively prime to 72181685.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-one thousand six hundred eighty-five

Notation

Scientific notation 7.2181685 × 10^7
Engineering notation 7.2181685 × 10^6

Prime Factorization of 72181685

Prime Factorization 5 × 7919 × 1823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72181685
Product of the distinct prime numbers

The prime factorization of 72181685 is 5 × 7919 × 1823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181685)

Multiplication

n×y
n×2 144363370
n×3 216545055
n×4 288726740
n×5 360908425

Division

n÷y
n÷2 36090842.5
n÷3 24060561.666667
n÷3 18045421.25
n÷5 14436337

Exponentiation

ny
n2 5210195649439225
n3 3.7608070115619E+23
n4 2.7146138705435E+31
n5 1.959454033002E+39

Nth Root

y√n
2√n 8495.9805202225
3√n 416.36639664075
4√n 92.17364330557
5√n 37.297987854109

Divisors of 72181685

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 -72181684
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 72181685 can be divided by 8 positive divisors. The sum of these divisors (counting 72181685) is 1, the average is 0.125.

Base conversion 72181685

Base System Value
2 Binary 100010011010110011110110101
3 Ternary 12000211012122202
4 Quaternary 10103112132311
5 Quinary 121434303220
6 Senary 11055034245
8 Octal 423263665
10 Decimal 72181685
12 Duodecimal 2020b985
16 Hexadecimal 44d67b5
20 Vigesimal 12b2e45
36 Base36 16z3qt

Cryptographic Hash Functions

md5 2bb0756e593d5b907feb4edd325415b4
sha1 ea38b4c3055c7c3bca03893fedbb3929cf2895db
sha256 d7f43953199dc7ec360c69f56ad3b2c0cc12f5ab3d506bc8846e11a4f52e6101
sha512 9b17088c4ea2a0a8d185136e3759e609cd9f5e524adcc11df89d15fac9c0e15125595aff234d8fffd45c5a2eac2fcb9ea4f1aa6522d5ddf5746af2a735170473
ripemd-160 936d984eb8d49610c2e06e17dcf2232cce8eaf09

72181685 as geometric shapes

Circle

Radius = n
Diameter 144363370
Circumference 453530902.63947
Area 1.6368312376044E+16

Sphere

Radius = n
Volume 1.5753231572123E+24
Surface area 6.5473249504175E+16
Circumference 453530902.63947

Square

Length = n
Perimeter 288726740
Area 5210195649439225
Diagonal 102080317.88194

Cube

Length = n
Surface area 31261173896635350
Volume 3.7608070115619E+23
Space diagonal 125022345.79593

Equilateral Triangle

Length = n
Perimeter 216545055
Area 2.2560808955508E+15
Altitude 62511172.897966

Triangular Pyramid

Length = n
Surface area 2.2560808955508E+15
Volume 4.4321535676823E+22
Height 34026772.627314