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.
72181842 has 16 divisors, whose sum is 144518880
The reverse of 72181842 is 24818127
Previous prime number is 1009
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-two million one hundred eighty-one thousand eight hundred forty-two
Scientific notation
7.2181842 × 10^7
Engineering notation
7.2181842 × 10^6
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.
9 , 7 , 58 , 15 , 239 , 611 , 1494 , 9129 , 89740 , 60561 , 318730 , 918059 , 5247523 , 9726876 , 56567276 , 84866662 , 54510458 , 211993797 , 8517060118 , 3575876959
n×2
144363684
n×3
216545526
n×4
288727368
n×5
360909210
n÷2
36090921
n÷3
24060614
n÷3
18045460.5
n÷5
14436368.4
n2
5210218314512964
n3
3.7608315516368E+23
n4
2.7146374884886E+31
n5
1.9594753428136E+39
2 √n
8495.9897598808
3 √n
416.36669851546
4 √n
92.173693426491
5 √n
37.298004079219
1 , 2 , 3 , 6 , 1009 , 2018 , 3027 , 6054 , 11923 , 23846 , 35769 , 71538 , 12030307 , 24060614 , 36090921 , 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
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
md5
4b0642cb22e6b429d03a144cdf88d6ae
sha1
95cc689149ed67c477e97e20c72fc4ba9808a8e6
sha256
ac8b91ad733599c73b6d94c3eeee4c92a489be30bba976afd4935951098c78ab
sha512
f1c05bfce791c405cbb53873c028fc4555ed4a9ce77b731b4d6df09527f0750fd1764f91fe6e9253df07e2ae5a5edd68086adba358c54894c72efab127d4965a
ripemd-160
a5f598a23a5deb580a53710435dda36e3f381c21
Diameter
144363684
Circumference
453531889.09956
Area
1.6368383580473E+16
Volume
1.5753334365348E+24
Surface area
6.5473534321892E+16
Circumference
453531889.09956
Perimeter
288727368
Area
5210218314512964
Diagonal
102080539.91347
Surface area
31261309887077784
Volume
3.7608315516368E+23
Space diagonal
125022617.72791
Perimeter
216545526
Area
2.2560907098156E+15
Altitude
62511308.863955
Surface area
2.2560907098156E+15
Volume
4.4321824884379E+22
Height
34026846.637824