72185869 is an odd 8-digits composite number following 72185868
and preceding 72185870 . In scientific notation, it is written as 7.2185869 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 61321344 positive integers (up to 72185869) that are relatively prime to 72185869.
72185869 has 12 divisors, whose sum is 84720924
The reverse of 72185869 is 96858127
Previous prime number is 113
Is Prime? no Number parity odd Number length 8 Sum of Digits 46 Digital Root 1
Name
seventy-two million one hundred eighty-five thousand eight hundred sixty-nine
Scientific notation
7.2185869 × 10^7
Engineering notation
7.2185869 × 10^6
Prime Factorization
7 × 7 × 113 × 13037
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
10312267 Product of the distinct prime numbers
The prime factorization of 72185869 is 7 × 7 × 113 × 13037.
Since it has a total of 4 prime factors.
10 , 7 , 41 , 64 , 745 , 674 , 6192 , 1122 , 41499 , 2329 , 418686 , 751773 , 4131754 , 5662269 , 22801513 , 49174581 , 438375628 , 611432910 , 2007434627 , 9167815189
n×2
144371738
n×3
216557607
n×4
288743476
n×5
360929345
n÷2
36092934.5
n÷3
24061956.333333
n÷3
18046467.25
n÷5
14437173.8
n2
5210799683285161
n3
3.7614610332286E+23
n4
2.7152433339325E+31
n5
1.9600219960637E+39
2 √n8496.2267507406
3 √n416.37444135617
4 √n92.174978984216
5 √n37.298420238482
1 , 7 , 49 , 113 , 791 , 5537 , 13037 , 91259 , 638813 , 1473181 , 10312267 , 72185869
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
-72185868 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 72185869 can be divided by 12 positive divisors.
The sum of these divisors (counting 72185869) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010011010111100000001101
3
Ternary
12000211102101201
4
Quaternary
10103113200031
5
Quinary
121434421434
6
Senary
11055105501
8
Octal
423274015
10
Decimal
72185869
12
Duodecimal
20212291
16
Hexadecimal
44d780d
20
Vigesimal
12b34d9
36
Base36
16z6z1
md5
ff61583b8d2d57fed46a280a79d98f62
sha1
f14c814e4755ff403a826ba20ce040bfca3c526a
sha256
01342d7f9484c2f8d26a175e8f8ff148535a178078cfed21becf3c2b0f0c6ef5
sha512
6740cc58e8a6357a0babcb108d38621070a0bd51c4760a6abcfb5faffa5d228b2b40b31bda9b0008b5004506611e76877c6294a07aed878b0b7230c3c61801a3
ripemd-160
8cae03325d0d2f50a234ab7f70a22979a194227d
Diameter
144371738
Circumference
453557191.48679
Area
1.6370210004337E+16
Volume
1.5755971131674E+24
Surface area
6.5480840017347E+16
Circumference
453557191.48679
Perimeter
288743476
Area
5210799683285161
Diagonal
102086234.95149
Surface area
31264798099710966
Volume
3.7614610332286E+23
Space diagonal
125029592.69651
Perimeter
216557607
Area
2.2563424498784E+15
Altitude
62514796.348256
Surface area
2.2563424498784E+15
Volume
4.4329243396082E+22
Height
34028744.983829