71297745 is an odd 8-digits composite number following 71297744
and preceding 71297746 . In scientific notation, it is written as 7.1297745 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 35786496 positive integers (up to 71297745) that are relatively prime to 71297745.
71297745 has 12 divisors, whose sum is 80792576
The reverse of 71297745 is 54779217
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million two hundred ninety-seven thousand seven hundred forty-five
Scientific notation
7.1297745 × 10^7
Engineering notation
7.1297745 × 10^6
Prime Factorization
15 × 17 × 17 × 16447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4193985
Product of the distinct prime numbers
The prime factorization of 71297745 is 15 × 17 × 17 × 16447.
Since it has a total of 4 prime factors.
9 , 7 , 21 , 43 , 698 , 64 , 3226 , 2742 , 85452 , 4641 , 28856 , 20504 , 9419757 , 7901455 , 62958240 , 89870087 , 531259097 , 944975515 , 2285819316 , 9011368697
n×2
142595490
n×3
213893235
n×4
285190980
n×5
356488725
n÷2
35648872.5
n÷3
23765915
n÷3
17824436.25
n÷5
14259549
n2
5083368442085025
n3
3.6243270692483E+23
n4
2.5840634717986E+31
n5
1.8423789847611E+39
2 √n
8443.7992041498
3 √n
414.65979764069
4 √n
91.89014748138
5 √n
37.206186513974
1 , 15 , 17 , 255 , 289 , 4335 , 16447 , 246705 , 279599 , 4193985 , 4753183 , 71297745
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
-71297744
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 71297745 can be divided by 12 positive divisors.
The sum of these divisors (counting 71297745) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100001111111110101011010001
3
Ternary
11222011022010020
4
Quaternary
10033332223101
5
Quinary
121223011440
6
Senary
11024054053
8
Octal
417765321
10
Decimal
71297745
12
Duodecimal
1ba64329
16
Hexadecimal
43fead1
20
Vigesimal
125c475
36
Base36
16g5ox
md5
7608613ec9da972891f5b7fbf90adc62
sha1
fb016e9b4ef554079380fc17f96f53b98d9c71be
sha256
fb0411abb6f1397c4d57cc2f6b253f15ce4bf17daafb8e50e461a57dcf5de267
sha512
dc63828d767d398667e9bf8bb873006bdf300a4265d8eb51d21e56f1041842e00bb41f00f542ecad5f74be669d86cf987d964e6515d9875ffa426aa8cfeeebc6
ripemd-160
790f72b5068cd5d19bfb31098042acbca93e37a9
Diameter
142595490
Circumference
447976943.81904
Area
1.5969872953145E+16
Volume
1.5181545726609E+24
Surface area
6.3879491812578E+16
Circumference
447976943.81904
Perimeter
285190980
Area
5083368442085025
Diagonal
100830237.94562
Surface area
30500210652510150
Volume
3.6243270692483E+23
Space diagonal
123491316.80509
Perimeter
213893235
Area
2.2011631038209E+15
Altitude
61745658.402545
Surface area
2.2011631038209E+15
Volume
4.2713104131723E+22
Height
33610079.315206