72181842 (number)

72181842 is an even 8-digits composite number following 72181841 and preceding 72181843. In scientific notation, it is written as 7.2181842 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 24034752 positive integers (up to 72181842) that are relatively prime to 72181842.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2181842 × 10^7
Engineering notation 7.2181842 × 10^6

Prime Factorization of 72181842

Prime Factorization 2 × 3 × 1009 × 11923

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72181842
Product of the distinct prime numbers

The prime factorization of 72181842 is 2 × 3 × 1009 × 11923. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181842)

Multiplication

n×y
n×2 144363684
n×3 216545526
n×4 288727368
n×5 360909210

Division

n÷y
n÷2 36090921
n÷3 24060614
n÷3 18045460.5
n÷5 14436368.4

Exponentiation

ny
n2 5210218314512964
n3 3.7608315516368E+23
n4 2.7146374884886E+31
n5 1.9594753428136E+39

Nth Root

y√n
2√n 8495.9897598808
3√n 416.36669851546
4√n 92.173693426491
5√n 37.298004079219

Divisors of 72181842

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72181841
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72181842 can be divided by 16 positive divisors. The sum of these divisors (counting 72181842) is 1, the average is 0.0625.

Base conversion 72181842

Base System Value
2 Binary 100010011010110100001010010
3 Ternary 12000211012212120
4 Quaternary 10103112201102
5 Quinary 121434304332
6 Senary 11055035110
8 Octal 423264122
10 Decimal 72181842
12 Duodecimal 2020ba96
16 Hexadecimal 44d6852
20 Vigesimal 12b2ec2
36 Base36 16z3v6

Cryptographic Hash Functions

md5 4b0642cb22e6b429d03a144cdf88d6ae
sha1 95cc689149ed67c477e97e20c72fc4ba9808a8e6
sha256 ac8b91ad733599c73b6d94c3eeee4c92a489be30bba976afd4935951098c78ab
sha512 f1c05bfce791c405cbb53873c028fc4555ed4a9ce77b731b4d6df09527f0750fd1764f91fe6e9253df07e2ae5a5edd68086adba358c54894c72efab127d4965a
ripemd-160 a5f598a23a5deb580a53710435dda36e3f381c21

72181842 as geometric shapes

Circle

Radius = n
Diameter 144363684
Circumference 453531889.09956
Area 1.6368383580473E+16

Sphere

Radius = n
Volume 1.5753334365348E+24
Surface area 6.5473534321892E+16
Circumference 453531889.09956

Square

Length = n
Perimeter 288727368
Area 5210218314512964
Diagonal 102080539.91347

Cube

Length = n
Surface area 31261309887077784
Volume 3.7608315516368E+23
Space diagonal 125022617.72791

Equilateral Triangle

Length = n
Perimeter 216545526
Area 2.2560907098156E+15
Altitude 62511308.863955

Triangular Pyramid

Length = n
Surface area 2.2560907098156E+15
Volume 4.4321824884379E+22
Height 34026846.637824