72185440 (number)

72185440 is an even 8-digits composite number following 72185439 and preceding 72185441. In scientific notation, it is written as 7.2185440 × 10^7. The sum of its digits is 31. It has a total of 7 prime factors and 24 positive divisors. There are 28874112 positive integers (up to 72185440) that are relatively prime to 72185440.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-five thousand four hundred forty

Notation

Scientific notation 7.2185440 × 10^7
Engineering notation 7.2185440 × 10^6

Prime Factorization of 72185440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 451159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 4511590
Product of the distinct prime numbers

The prime factorization of 72185440 is 2 × 2 × 2 × 2 × 2 × 5 × 451159. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 8, 21, 15, 83, 901, 9019, 873, 42404, 58968, 62771, 320839, 5131681, 8026720, 28131162, 12799502, 422907933, 169949298, 1793398552, 3221708387

Basic calculations (n = 72185440)

Multiplication

n×y
n×2 144370880
n×3 216556320
n×4 288741760
n×5 360927200

Division

n÷y
n÷2 36092720
n÷3 24061813.333333
n÷3 18046360
n÷5 14437088

Exponentiation

ny
n2 5210737747993600
n3 3.7613939706353E+23
n4 2.7151787878365E+31
n5 1.9599637547865E+39

Nth Root

y√n
2√n 8496.2015042017
3√n 416.37361651796
4√n 92.174842035133
5√n 37.298375905538

Divisors of 72185440

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 451159, 902318, 1804636, 2255795, 3609272, 4511590, 7218544, 9023180, 14437088, 18046360, 36092720, 72185440

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72185439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72185440 can be divided by 24 positive divisors. The sum of these divisors (counting 72185440) is 1, the average is 0.041666666666667.

Base conversion 72185440

Base System Value
2 Binary 100010011010111011001100000
3 Ternary 12000211101210211
4 Quaternary 10103113121200
5 Quinary 121434413230
6 Senary 11055103504
8 Octal 423273140
10 Decimal 72185440
12 Duodecimal 20211b94
16 Hexadecimal 44d7660
20 Vigesimal 12b33c0
36 Base36 16z6n4

Cryptographic Hash Functions

md5 02d411a57e7295cc527a8588ee759f2a
sha1 1fb5bf9ae72dfa1c0453c5065d17e23d65e0b1c0
sha256 357039efa35dc162aa8ec9211fae84f28b80264f1cf4dd6956259b0d8151895b
sha512 b25e0534544a618a9c961424a03e5af959e02dff20fd6cb25a65c3be5294f1ddbf27ff6f6523251c44c15d2550c61863ef4b41f33d81d1a55c1f8e5ff9d87498
ripemd-160 240dcb1e3898796ed65f27fdef86b845d661f553

72185440 as geometric shapes

Circle

Radius = n
Diameter 144370880
Circumference 453554496.00029
Area 1.637001542888E+16

Sphere

Radius = n
Volume 1.575569022054E+24
Surface area 6.5480061715519E+16
Circumference 453554496.00029

Square

Length = n
Perimeter 288741760
Area 5210737747993600
Diagonal 102085628.25387

Cube

Length = n
Surface area 31264426487961600
Volume 3.7613939706353E+23
Space diagonal 125028849.64671

Equilateral Triangle

Length = n
Perimeter 216556320
Area 2.2563156311105E+15
Altitude 62514424.823357

Triangular Pyramid

Length = n
Surface area 2.2563156311105E+15
Volume 4.432845305584E+22
Height 34028542.75129