71231491 is an odd 8-digits prime number following 71231490
and preceding 71231492 . In scientific notation, it is written as 7.1231491 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 71231490 positive integers (up to 71231491) that are relatively prime to 71231491.
71231491 has 2 divisors, whose sum is 71231492
The reverse of 71231491 is 19413217
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 28 Digital Root 1
Name
seventy-one million two hundred thirty-one thousand four hundred ninety-one
Scientific notation
7.1231491 × 10^7
Engineering notation
7.1231491 × 10^6
Prime Factorization
71231491
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
71231491 Product of the distinct prime numbers
The prime factorization of 71231491 is 71231491.
Since it has a total of 1 prime factors.
8 , 3 , 93 , 26 , 75 , 439 , 4234 , 2044 , 50603 , 27020 , 906678 , 366763 , 5423433 , 4252767 , 29108008 , 67114685 , 241483618 , 645486281 , 258955223 , 2926578032
n×2
142462982
n×3
213694473
n×4
284925964
n×5
356157455
n÷2
35615745.5
n÷3
23743830.333333
n÷3
17807872.75
n÷5
14246298.2
n2
5073925310083081
n3
3.6142326505986E+23
n4
2.5744718052302E+31
n5
1.8338346522401E+39
2 √n8439.8750583169
3 √n414.53131585667
4 √n91.868792624682
5 √n37.199269112974
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
71231492 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
35615746 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8439.8751175595 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999719225 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71231491 can be divided by 2 positive divisors.
The sum of these divisors (counting 71231491) is 71231492, the average is 35615746.
Base
System
Value
2
Binary
100001111101110100000000011
3
Ternary
11222000221020101
4
Quaternary
10033232200003
5
Quinary
121213401431
6
Senary
11022423231
8
Octal
417564003
10
Decimal
71231491
12
Duodecimal
1ba31b17
16
Hexadecimal
43ee803
20
Vigesimal
1253ieb
36
Base36
16eqkj
md5
4856ed053545a451920565bf162c57a2
sha1
05750c0fef011d5c643cd32fa98415f9ff05358d
sha256
27fd46f271c1b10d684ee19f46ee345865ef77081750870552154865f998799b
sha512
4e972d969c053a2e13f072cced2f6602edd962fb06f48c9ca88c089941603f30ad3244656aa6a952f6429753ba2936f00d10664f3014aec6c74da680b85b1b19
ripemd-160
42225b09d0af5e9225f2f878cae2246f4e3df960
Diameter
142462982
Circumference
447560657.65969
Area
1.594020647902E+16
Volume
1.5139262324646E+24
Surface area
6.3760825916081E+16
Circumference
447560657.65969
Perimeter
284925964
Area
5073925310083081
Diagonal
100736540.64026
Surface area
30443551860498486
Volume
3.6142326505986E+23
Space diagonal
123376561.51089
Perimeter
213694473
Area
2.1970741077184E+15
Altitude
61688280.755443
Surface area
2.1970741077184E+15
Volume
4.2594140267068E+22
Height
33578846.880086