72181844 (number)

72181844 is an even 8-digits composite number following 72181843 and preceding 72181845. In scientific notation, it is written as 7.2181844 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 30935064 positive integers (up to 72181844) that are relatively prime to 72181844.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2181844 × 10^7
Engineering notation 7.2181844 × 10^6

Prime Factorization of 72181844

Prime Factorization 2 × 2 × 7 × 2577923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 36090922
Product of the distinct prime numbers

The prime factorization of 72181844 is 2 × 2 × 7 × 2577923. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 38, 43, 949, 940, 3626, 1317, 21127, 16237, 862557, 518205, 4131447, 7987848, 58579956, 45676911, 308372846, 513361190, 4402110746, 8073175091

Basic calculations (n = 72181844)

Multiplication

n×y
n×2 144363688
n×3 216545532
n×4 288727376
n×5 360909220

Division

n÷y
n÷2 36090922
n÷3 24060614.666667
n÷3 18045461
n÷5 14436368.8

Exponentiation

ny
n2 5210218603240336
n3 3.7608318642499E+23
n4 2.7146377893552E+31
n5 1.9594756142774E+39

Nth Root

y√n
2√n 8495.9898775834
3√n 416.366702361
4√n 92.173694064974
5√n 37.298004285908

Divisors of 72181844

1, 2, 4, 7, 14, 28, 2577923, 5155846, 10311692, 18045461, 36090922, 72181844

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72181843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72181844 can be divided by 12 positive divisors. The sum of these divisors (counting 72181844) is 1, the average is 0.083333333333333.

Base conversion 72181844

Base System Value
2 Binary 100010011010110100001010100
3 Ternary 12000211012212122
4 Quaternary 10103112201110
5 Quinary 121434304334
6 Senary 11055035112
8 Octal 423264124
10 Decimal 72181844
12 Duodecimal 2020ba98
16 Hexadecimal 44d6854
20 Vigesimal 12b2ec4
36 Base36 16z3v8

Cryptographic Hash Functions

md5 82028c35057186cd9fffe433d0f390fe
sha1 3a620578bc5d6457c97618c1beb34e3954e76a4f
sha256 a59ef69d5482874c3c65de7f7fc94ddec122a178b532cedfd066bd7b3b9a5ac9
sha512 9c1b4cc51346d2152c4ac1958425c8a69e62db2b3f9ebee05caef349ccb7c3eb628cafd591b4e2b529590c6e824d9000b3df0d03a78d40b9cf25efd849705c93
ripemd-160 3310cc7c814d76f773aae62185a70c6ec5b4aced

72181844 as geometric shapes

Circle

Radius = n
Diameter 144363688
Circumference 453531901.66593
Area 1.6368384487537E+16

Sphere

Radius = n
Volume 1.5753335674819E+24
Surface area 6.5473537950147E+16
Circumference 453531901.66593

Square

Length = n
Perimeter 288727376
Area 5210218603240336
Diagonal 102080542.7419

Cube

Length = n
Surface area 31261311619442016
Volume 3.7608318642499E+23
Space diagonal 125022621.19201

Equilateral Triangle

Length = n
Perimeter 216545532
Area 2.2560908348382E+15
Altitude 62511310.596005

Triangular Pyramid

Length = n
Surface area 2.2560908348382E+15
Volume 4.4321828568559E+22
Height 34026847.580633