71997515 is an odd 8-digits composite number following 71997514
and preceding 71997516 . In scientific notation, it is written as 7.1997515 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 57038400 positive integers (up to 71997515) that are relatively prime to 71997515.
71997515 has 8 divisors, whose sum is 87236448
The reverse of 71997515 is 51579917
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-one million nine hundred ninety-seven thousand five hundred fifteen
Scientific notation
7.1997515 × 10^7
Engineering notation
7.1997515 × 10^6
Prime Factorization
5 × 103 × 139801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71997515
Product of the distinct prime numbers
The prime factorization of 71997515 is 5 × 103 × 139801.
Since it has a total of 3 prime factors.
7 , 7 , 86 , 77 , 304 , 948 , 6785 , 6549 , 98934 , 43544 , 285337 , 954418 , 4477356 , 1135571 , 25177906 , 69512096 , 848188060 , 683447191 , 697941940 , 9353999813
n×2
143995030
n×3
215992545
n×4
287990060
n×5
359987575
n÷2
35998757.5
n÷3
23999171.666667
n÷3
17999378.75
n÷5
14399503
n2
5183642166175225
n3
3.7320935461383E+23
n4
2.687014610695E+31
n5
1.9345837473873E+39
2 √n
8485.1349429458
3 √n
416.01197843652
4 √n
92.114792204867
5 √n
37.278935398378
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
-71997514
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 71997515 can be divided by 8 positive divisors.
The sum of these divisors (counting 71997515) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010101001100001001011
3
Ternary
12000110212000122
4
Quaternary
10102221201023
5
Quinary
121412410030
6
Senary
11051053455
8
Octal
422514113
10
Decimal
71997515
12
Duodecimal
2014128b
16
Hexadecimal
44a984b
20
Vigesimal
129jdff
36
Base36
16v5mz
md5
b7a61686d33f9563306ef2a6f356012f
sha1
8f692f87f82818fea94dc16b9f8ed8b5cb219e8c
sha256
3849f8801c7e6ebb6c934259e2047fbc3099092adb8143be46d0bf929ca35398
sha512
f5b4b457ce44d4a8035b64ef23aa173fe99b075333890d8dda9381457086467d5e68aa2acdbe986ce1c59261df5f178832fb0d84e874ea6d4619bbbc45b8b5f6
ripemd-160
0ecdf6d9535681c056cf0d53ead738459c1a6312
Diameter
143995030
Circumference
452373728.40144
Area
1.6284892148094E+16
Volume
1.5632956889411E+24
Surface area
6.5139568592377E+16
Circumference
452373728.40144
Perimeter
287990060
Area
5183642166175225
Diagonal
101819862.17016
Surface area
31101852997051350
Volume
3.7320935461383E+23
Space diagonal
124703353.9987
Perimeter
215992545
Area
2.244582900018E+15
Altitude
62351676.999351
Surface area
2.244582900018E+15
Volume
4.3983144241616E+22
Height
33939954.05672