72185812 is an even 8-digits composite number following 72185811
and preceding 72185813 . In scientific notation, it is written as 7.2185812 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 36073856 positive integers (up to 72185812) that are relatively prime to 72185812.
72185812 has 12 divisors, whose sum is 126391860
The reverse of 72185812 is 21858127
Previous prime number is 6917
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-two million one hundred eighty-five thousand eight hundred twelve
Scientific notation
7.2185812 × 10^7
Engineering notation
7.2185812 × 10^6
Prime Factorization
2 × 2 × 6917 × 2609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36092906
Product of the distinct prime numbers
The prime factorization of 72185812 is 2 × 2 × 6917 × 2609.
Since it has a total of 4 prime factors.
8 , 6 , 84 , 54 , 687 , 975 , 1511 , 3780 , 71602 , 20536 , 913274 , 155806 , 5441335 , 7841274 , 86412804 , 73573481 , 284269665 , 307870874 , 5720171592 , 6158423207
n×2
144371624
n×3
216557436
n×4
288743248
n×5
360929060
n÷2
36092906
n÷3
24061937.333333
n÷3
18046453
n÷5
14437162.4
n2
5210791454099344
n3
3.7614521227682E+23
n4
2.7152347578115E+31
n5
1.9600142576324E+39
2 √n
8496.2233963097
3 √n
416.37433176247
4 √n
92.174960788219
5 √n
37.298414348103
1 , 2 , 4 , 2609 , 5218 , 6917 , 10436 , 13834 , 27668 , 18046453 , 36092906 , 72185812
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
-72185811
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 72185812 can be divided by 12 positive divisors.
The sum of these divisors (counting 72185812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010011010111011111010100
3
Ternary
12000211102022121
4
Quaternary
10103113133110
5
Quinary
121434421222
6
Senary
11055105324
8
Octal
423273724
10
Decimal
72185812
12
Duodecimal
20212244
16
Hexadecimal
44d77d4
20
Vigesimal
12b34ac
36
Base36
16z6xg
md5
51278301ad769a2db5b36d25b88df0b5
sha1
3696ec195ffb398c3574cdca25b48e251bd293b2
sha256
571475528bdf8912b671e34a21572ddd8eeae08851bce7db368e1e30e58e269c
sha512
38d35a5262ce2d6a7dd3bfd5d54a0073962fa4858a40afdd94fe0655428513d04f7456ee94d322485159c89456b002c0de18a661d4241b0404b35c8cf78f1197
ripemd-160
7eea27f62eadebd966db012aa3a5080fca62cdb1
Diameter
144371624
Circumference
453556833.34523
Area
1.6370184151587E+16
Volume
1.5755933807624E+24
Surface area
6.5480736606348E+16
Circumference
453556833.34523
Perimeter
288743248
Area
5210791454099344
Diagonal
102086154.34131
Surface area
31264748724596064
Volume
3.7614521227682E+23
Space diagonal
125029493.96962
Perimeter
216557436
Area
2.2563388865364E+15
Altitude
62514746.984808
Surface area
2.2563388865364E+15
Volume
4.4329138385299E+22
Height
34028718.113772