71281649 is an odd 8-digits prime number following 71281648
and preceding 71281650 . In scientific notation, it is written as 7.1281649 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 71281648 positive integers (up to 71281649) that are relatively prime to 71281649.
71281649 has 2 divisors, whose sum is 71281650
The reverse of 71281649 is 94618217
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million two hundred eighty-one thousand six hundred forty-nine
Scientific notation
7.1281649 × 10^7
Engineering notation
7.1281649 × 10^6
Prime Factorization
71281649
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
71281649
Product of the distinct prime numbers
The prime factorization of 71281649 is 71281649.
Since it has a total of 1 prime factors.
2 , 3 , 46 , 28 , 622 , 94 , 3005 , 7665 , 83208 , 14826 , 965194 , 478527 , 8020282 , 6890740 , 83702172 , 40862760 , 448547070 , 681854974 , 7862762177 , 7989397981
n×2
142563298
n×3
213844947
n×4
285126596
n×5
356408245
n÷2
35640824.5
n÷3
23760549.666667
n÷3
17820412.25
n÷5
14256329.8
n2
5081073484159201
n3
3.6218729664104E+23
n4
2.5817307751426E+31
n5
1.8403002692621E+39
2 √n
8442.8460248899
3 √n
414.62859110708
4 √n
91.884960819984
5 √n
37.204506447191
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
71281650
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
35640825
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8442.8460841117
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999719423
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71281649 can be divided by 2 positive divisors.
The sum of these divisors (counting 71281649) is 71281650, the average is 35640825.
Base
System
Value
2
Binary
100001111111010101111110001
3
Ternary
11222010111001002
4
Quaternary
10033322233301
5
Quinary
121222003044
6
Senary
11023451345
8
Octal
417725761
10
Decimal
71281649
12
Duodecimal
1ba56b55
16
Hexadecimal
43fabf1
20
Vigesimal
125a429
36
Base36
16ft9t
md5
78670f8f091d22af9652e2370afe6c89
sha1
ab6faa323c3dc71d7acc730296c47c7bc730a968
sha256
27257d81ec55172c55b83491ea070f4888ff0c71f82701537a85827237b0eb79
sha512
5837a2d52ff8bdea695ab47142ba63bed61e75bb4a87d27bc5d4e123cb7320e628f381b5d063edb00299977f06463710e8186e469c83b6799be6664ec6ac1b06
ripemd-160
7a48a7bbafc4ca8e02f0723b96a42e258770f442
Diameter
142563298
Circumference
447875809.66833
Area
1.5962663130184E+16
Volume
1.5171266004681E+24
Surface area
6.3850652520738E+16
Circumference
447875809.66833
Perimeter
285126596
Area
5081073484159201
Diagonal
100807474.76412
Surface area
30486440904955206
Volume
3.6218729664104E+23
Space diagonal
123463437.71529
Perimeter
213844947
Area
2.2001693578887E+15
Altitude
61731718.857646
Surface area
2.2001693578887E+15
Volume
4.2684182252418E+22
Height
33602491.58804