72487285 is an odd 8-digits composite number following 72487284
and preceding 72487286 . In scientific notation, it is written as 7.2487285 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 53529024 positive integers (up to 72487285) that are relatively prime to 72487285.
72487285 has 8 divisors, whose sum is 93675960
The reverse of 72487285 is 58278427
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million four hundred eighty-seven thousand two hundred eighty-five
Scientific notation
7.2487285 × 10^7
Engineering notation
7.2487285 × 10^6
Prime Factorization
5 × 13 × 1115189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72487285
Product of the distinct prime numbers
The prime factorization of 72487285 is 5 × 13 × 1115189.
Since it has a total of 3 prime factors.
7 , 6 , 26 , 97 , 488 , 1 , 8208 , 1420 , 20709 , 895 , 585468 , 32362 , 4502812 , 8508335 , 84042328 , 765059 , 203456427 , 344167992 , 5683248231 , 4842807759
n×2
144974570
n×3
217461855
n×4
289949140
n×5
362436425
n÷2
36243642.5
n÷3
24162428.333333
n÷3
18121821.25
n÷5
14497457
n2
5254406486671225
n3
3.8087766050519E+23
n4
2.7608787527173E+31
n5
2.0012860499866E+39
2 √n
8513.9464997145
3 √n
416.95316793348
4 √n
92.271049087536
5 √n
37.329516658032
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72487284
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72487285 can be divided by 8 positive divisors.
The sum of these divisors (counting 72487285) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010100100001000101110101
3
Ternary
12001101201212021
4
Quaternary
10110201011311
5
Quinary
122024043120
6
Senary
11105353141
8
Octal
424410565
10
Decimal
72487285
12
Duodecimal
203387b1
16
Hexadecimal
4521175
20
Vigesimal
12d0i45
36
Base36
175njp
md5
1fe3370e6310c65f11ff2ff7dfdf6899
sha1
90ef5fb9e60a6a6b98a956add323c27d307130f2
sha256
b706847d3be3c05677efc16ae3d1b981180be4d2c9225c9e9175cc87e1d69bc6
sha512
e73864988805ce1170f88b3f4ef99e85ec3ca7a4938f24518666594352bd62d4a0bfdcec456888a1a3bebb3fda19a77cc21a2710cadb1349f96b71a5660fbff7
ripemd-160
c0ae27afb7b3b7e7e021e8b8a27a7ff4e6125233
Diameter
144974570
Circumference
455451044.06934
Area
1.6507204817501E+16
Volume
1.5954166135461E+24
Surface area
6.6028819270004E+16
Circumference
455451044.06934
Perimeter
289949140
Area
5254406486671225
Diagonal
102512501.5466
Surface area
31526438920027350
Volume
3.8087766050519E+23
Space diagonal
125551660.52273
Perimeter
217461855
Area
2.2752247496335E+15
Altitude
62775830.261363
Surface area
2.2752247496335E+15
Volume
4.4886862757614E+22
Height
34170833.848868