72185640 (number)

72185640 is an even 8-digits composite number following 72185639 and preceding 72185641. In scientific notation, it is written as 7.2185640 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 18584832 positive integers (up to 72185640) that are relatively prime to 72185640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2185640 × 10^7
Engineering notation 7.2185640 × 10^6

Prime Factorization of 72185640

Prime Factorization 2 × 2 × 2 × 15 × 29 × 20743

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 18046410
Product of the distinct prime numbers

The prime factorization of 72185640 is 2 × 2 × 2 × 15 × 29 × 20743. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72185640)

Multiplication

n×y
n×2 144371280
n×3 216556920
n×4 288742560
n×5 360928200

Division

n÷y
n÷2 36092820
n÷3 24061880
n÷3 18046410
n÷5 14437128

Exponentiation

ny
n2 5210766622209600
n3 3.7614252351484E+23
n4 2.7152088791134E+31
n5 1.9599909067248E+39

Nth Root

y√n
2√n 8496.2132741593
3√n 416.37400105833
4√n 92.174905880935
5√n 37.298396573603

Divisors of 72185640

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 -72185639
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 72185640 can be divided by 32 positive divisors. The sum of these divisors (counting 72185640) is 1, the average is 0.03125.

Base conversion 72185640

Base System Value
2 Binary 100010011010111011100101000
3 Ternary 12000211102002020
4 Quaternary 10103113130220
5 Quinary 121434420030
6 Senary 11055104440
8 Octal 423273450
10 Decimal 72185640
12 Duodecimal 20212120
16 Hexadecimal 44d7728
20 Vigesimal 12b3420
36 Base36 16z6so

Cryptographic Hash Functions

md5 3d79301fc6244263ed1c5d598eeded45
sha1 556843d8eeebe75ee3d1274c28d435cd269ca545
sha256 285d6b1330b1957d2e32a4aeab31382ade7cfb50625bc37812c2fac4560d65e9
sha512 d29fa404be58599a2c5d4228c491d79768a80ecb3479d4f51c1ce6ce3b4d30c5e774031a77e24754a66fcbd863e0c730c6436dbe52a2062fe78ea896b212be1b
ripemd-160 7890b2dff3ae9fb39aaecaeb2b486504edd7b1f1

72185640 as geometric shapes

Circle

Radius = n
Diameter 144371280
Circumference 453555752.63736
Area 1.6370106139905E+16

Sphere

Radius = n
Volume 1.5755821181026E+24
Surface area 6.5480424559618E+16
Circumference 453555752.63736

Square

Length = n
Perimeter 288742560
Area 5210766622209600
Diagonal 102085911.09658

Cube

Length = n
Surface area 31264599733257600
Volume 3.7614252351484E+23
Space diagonal 125029196.05688

Equilateral Triangle

Length = n
Perimeter 216556920
Area 2.2563281340128E+15
Altitude 62514598.028438

Triangular Pyramid

Length = n
Surface area 2.2563281340128E+15
Volume 4.432882151166E+22
Height 34028637.032194