71297971 is an odd 8-digits composite number following 71297970
and preceding 71297972 . In scientific notation, it is written as 7.1297971 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 70885672 positive integers (up to 71297971) that are relatively prime to 71297971.
71297971 has 4 divisors, whose sum is 71710272
The reverse of 71297971 is 17979217
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million two hundred ninety-seven thousand nine hundred seventy-one
Scientific notation
7.1297971 × 10^7
Engineering notation
7.1297971 × 10^6
Prime Factorization
173 × 412127
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71297971
Product of the distinct prime numbers
The prime factorization of 71297971 is 173 × 412127.
Since it has a total of 2 prime factors.
6 , 10 , 86 , 81 , 47 , 131 , 6813 , 1079 , 32141 , 17591 , 845600 , 618665 , 3402038 , 3019816 , 43915080 , 31094578 , 902573090 , 55338137 , 7652809609 , 9844912441
n×2
142595942
n×3
213893913
n×4
285191884
n×5
356489855
n÷2
35648985.5
n÷3
23765990.333333
n÷3
17824492.75
n÷5
14259594.2
n2
5083400668716841
n3
3.6243615345955E+23
n4
2.5840962358711E+31
n5
1.8424081848635E+39
2 √n
8443.8125867407
3 √n
414.66023577056
4 √n
91.890220299772
5 √n
37.206210101221
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71297970
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71297971 can be divided by 4 positive divisors.
The sum of these divisors (counting 71297971) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001111111110101110110011
3
Ternary
11222011022102121
4
Quaternary
10033332232303
5
Quinary
121223013341
6
Senary
11024055111
8
Octal
417765663
10
Decimal
71297971
12
Duodecimal
1ba64497
16
Hexadecimal
43febb3
20
Vigesimal
125c4ib
36
Base36
16g5v7
md5
85d59b346e13376c373df93d2521f78f
sha1
b32439091305d0afcc05bbd600fa6c0115a17898
sha256
d9a96fd58b14ed9e563376b1f474cd88e9adafc399ca182214c2abb425fcbcfc
sha512
e38819ea38512d6fe2643e7d4ecb85a2a37187060f129853ec1a535674fa202c29afec147b426267dc3ac2ab0a60cc0502b6aa62db1fce38e821c32df32e4db4
ripemd-160
007edbcd25bf8627fb9086e167113d12c66330d3
Diameter
142595942
Circumference
447978363.81892
Area
1.5969974196094E+16
Volume
1.5181690094718E+24
Surface area
6.3879896784377E+16
Circumference
447978363.81892
Perimeter
285191884
Area
5083400668716841
Diagonal
100830557.55788
Surface area
30500404012301046
Volume
3.6243615345955E+23
Space diagonal
123491708.24857
Perimeter
213893913
Area
2.2011770583618E+15
Altitude
61745854.124286
Surface area
2.2011770583618E+15
Volume
4.2713510309736E+22
Height
33610185.852628