71291285 is an odd 8-digits composite number following 71291284
and preceding 71291286 . In scientific notation, it is written as 7.1291285 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors.
There are 49102848 positive integers (up to 71291285) that are relatively prime to 71291285.
71291285 has 32 divisors, whose sum is 98431200
The reverse of 71291285 is 58219217
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million two hundred ninety-one thousand two hundred eighty-five
Scientific notation
7.1291285 × 10^7
Engineering notation
7.1291285 × 10^6
Prime Factorization
5 × 13 × 17 × 433 × 149
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71291285
Product of the distinct prime numbers
The prime factorization of 71291285 is 5 × 13 × 17 × 433 × 149.
Since it has a total of 5 prime factors.
8 , 5 , 20 , 54 , 132 , 498 , 2061 , 2723 , 89829 , 16357 , 61274 , 506188 , 6624494 , 3254618 , 70429918 , 3376124 , 700399895 , 650718297 , 3530566105 , 4069022363
n×2
142582570
n×3
213873855
n×4
285165140
n×5
356456425
n÷2
35645642.5
n÷3
23763761.666667
n÷3
17822821.25
n÷5
14258257
n2
5082447316951225
n3
3.6233420017026E+23
n4
2.5831270729585E+31
n5
1.841544483495E+39
2 √n
8443.4166662554
3 √n
414.64727371398
4 √n
91.888065962101
5 √n
37.205512269154
1 , 5 , 13 , 17 , 65 , 85 , 149 , 221 , 433 , 745 , 1105 , 1937 , 2165 , 2533 , 5629 , 7361 , 9685 , 12665 , 28145 , 32929 , 36805 , 64517 , 95693 , 164645 , 322585 , 478465 , 838721 , 1096789 , 4193605 , 5483945 , 14258257 , 71291285
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71291284
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71291285 can be divided by 32 positive divisors.
The sum of these divisors (counting 71291285) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100001111111101000110010101
3
Ternary
11222010222020222
4
Quaternary
10033331012111
5
Quinary
121222310120
6
Senary
11024004125
8
Octal
417750625
10
Decimal
71291285
12
Duodecimal
1ba60645
16
Hexadecimal
43fd195
20
Vigesimal
125b845
36
Base36
16g0ph
md5
2dd8f3c06779b7cd90c3a22035f7043e
sha1
64391a9ccda6be2df5c5398a6d56aebe5b00bf37
sha256
b3e653b29d6553b3d7ee50c7503ac4c54de712929237c100d91ec0bc383a1d34
sha512
7765632919162c9d450c5a22de2026eec8f85d241efe02c512a20efe8673ade55cb849d8061fdfc27ff70de218912dcd8c4c1917dcdea7e9dc1320c3644c25d9
ripemd-160
8a4a0fd5dcc219577ae4aecfc004f72ee59c2292
Diameter
142582570
Circumference
447936354.44195
Area
1.5966979153191E+16
Volume
1.5177419485323E+24
Surface area
6.3867916612764E+16
Circumference
447936354.44195
Perimeter
285165140
Area
5082447316951225
Diagonal
100821102.12601
Surface area
30494683901707350
Volume
3.6233420017026E+23
Space diagonal
123480127.75687
Perimeter
213873855
Area
2.2007642449379E+15
Altitude
61740063.878436
Surface area
2.2007642449379E+15
Volume
4.2701494999365E+22
Height
33607034.042002