72185838 (number)

72185838 is an even 8-digits composite number following 72185837 and preceding 72185839. In scientific notation, it is written as 7.2185838 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 23684640 positive integers (up to 72185838) that are relatively prime to 72185838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2185838 × 10^7
Engineering notation 7.2185838 × 10^6

Prime Factorization of 72185838

Prime Factorization 2 × 3 × 107 × 229 × 491

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 72185838
Product of the distinct prime numbers

The prime factorization of 72185838 is 2 × 3 × 107 × 229 × 491. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 27, 39, 50, 221, 6075, 8533, 37657, 20763, 74403, 44043, 273342, 848506, 73901910, 9397354, 418194895, 929341517, 3886814145, 8157731851

Basic calculations (n = 72185838)

Multiplication

n×y
n×2 144371676
n×3 216557514
n×4 288743352
n×5 360929190

Division

n÷y
n÷2 36092919
n÷3 24061946
n÷3 18046459.5
n÷5 14437167.6

Exponentiation

ny
n2 5210795207762244
n3 3.761456187187E+23
n4 2.7152386697238E+31
n5 1.9600177874402E+39

Nth Root

y√n
2√n 8496.2249264011
3√n 416.37438175259
4√n 92.174969088149
5√n 37.298417034943

Divisors of 72185838

1, 2, 3, 6, 107, 214, 229, 321, 458, 491, 642, 687, 982, 1374, 1473, 2946, 24503, 49006, 52537, 73509, 105074, 112439, 147018, 157611, 224878, 315222, 337317, 674634, 12030973, 24061946, 36092919, 72185838

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72185837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72185838 can be divided by 32 positive divisors. The sum of these divisors (counting 72185838) is 1, the average is 0.03125.

Base conversion 72185838

Base System Value
2 Binary 100010011010111011111101110
3 Ternary 12000211102100120
4 Quaternary 10103113133232
5 Quinary 121434421323
6 Senary 11055105410
8 Octal 423273756
10 Decimal 72185838
12 Duodecimal 20212266
16 Hexadecimal 44d77ee
20 Vigesimal 12b34bi
36 Base36 16z6y6

Cryptographic Hash Functions

md5 0d50c59c94d3ca6a8e26255937da8382
sha1 20d80b82f998324da0b44d70921413daa5b76f45
sha256 555fe888e2476035877d7ad9604e2ba8de8de9e7ddc6fb7ad321f5df4dff39fa
sha512 6bf13e88a4783016a198cf11bfdfbb57b8244696fa86d6ed523c9a34aa9d22167a3494aafb05c2ba851451bc8257c8cd8f2d0cf4e42b243b84b167faa8008526
ripemd-160 7415525cc0ed2e41b37578cc0fa586417a7e2e0e

72185838 as geometric shapes

Circle

Radius = n
Diameter 144371676
Circumference 453556996.70805
Area 1.6370195944067E+16

Sphere

Radius = n
Volume 1.5755950832622E+24
Surface area 6.5480783776267E+16
Circumference 453556996.70805

Square

Length = n
Perimeter 288743352
Area 5210795207762244
Diagonal 102086191.11087

Cube

Length = n
Surface area 31264771246573464
Volume 3.761456187187E+23
Space diagonal 125029539.00294

Equilateral Triangle

Length = n
Perimeter 216557514
Area 2.2563405119202E+15
Altitude 62514769.501468

Triangular Pyramid

Length = n
Surface area 2.2563405119202E+15
Volume 4.4329186284934E+22
Height 34028730.370289