72181145 (number)

72181145 is an odd 8-digits composite number following 72181144 and preceding 72181146. In scientific notation, it is written as 7.2181145 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 55753600 positive integers (up to 72181145) that are relatively prime to 72181145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2181145 × 10^7
Engineering notation 7.2181145 × 10^6

Prime Factorization of 72181145

Prime Factorization 5 × 29 × 497801

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72181145
Product of the distinct prime numbers

The prime factorization of 72181145 is 5 × 29 × 497801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181145)

Multiplication

n×y
n×2 144362290
n×3 216543435
n×4 288724580
n×5 360905725

Division

n÷y
n÷2 36090572.5
n÷3 24060381.666667
n÷3 18045286.25
n÷5 14436229

Exponentiation

ny
n2 5210117693511025
n3 3.7607226070238E+23
n4 2.7145326380237E+31
n5 1.9593807395242E+39

Nth Root

y√n
2√n 8495.9487404292
3√n 416.3653583422
4√n 92.173470914516
5√n 37.297932047782

Divisors of 72181145

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 -72181144
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 72181145 can be divided by 8 positive divisors. The sum of these divisors (counting 72181145) is 1, the average is 0.125.

Base conversion 72181145

Base System Value
2 Binary 100010011010110010110011001
3 Ternary 12000211011220202
4 Quaternary 10103112112121
5 Quinary 121434244040
6 Senary 11055031545
8 Octal 423262631
10 Decimal 72181145
12 Duodecimal 2020b5b5
16 Hexadecimal 44d6599
20 Vigesimal 12b2ch5
36 Base36 16z3bt

Cryptographic Hash Functions

md5 2a61032c296a68d495f8839ad921ab73
sha1 a158a5629d5bd07f0ae5a78b496a65a16e924b3e
sha256 da5a87718f5aa659256b85fa9d2ce67547f10340bc7ad7efcd660b2bebb4d52a
sha512 0ddcaf5ef50738733365455b6e357393c0f9988495bba64e973cb8b838e21376edb732343054e1c380c72e8f7119af13b39763862904f62edb1491b50e4bde02
ripemd-160 8764b198aec4cb8f9dbe52efcb8d7d2699b0c02f

72181145 as geometric shapes

Circle

Radius = n
Diameter 144362290
Circumference 453527509.7194
Area 1.6368067470272E+16

Sphere

Radius = n
Volume 1.575287801922E+24
Surface area 6.547226988109E+16
Circumference 453527509.7194

Square

Length = n
Perimeter 288724580
Area 5210117693511025
Diagonal 102079554.20662

Cube

Length = n
Surface area 31260706161066150
Volume 3.7607226070238E+23
Space diagonal 125021410.4885

Equilateral Triangle

Length = n
Perimeter 216543435
Area 2.2560471396437E+15
Altitude 62510705.244248

Triangular Pyramid

Length = n
Surface area 2.2560471396437E+15
Volume 4.4320540959802E+22
Height 34026518.068873