71397291 is an odd 8-digits composite number following 71397290
and preceding 71397292 . In scientific notation, it is written as 7.1397291 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 40741824 positive integers (up to 71397291) that are relatively prime to 71397291.
71397291 has 16 divisors, whose sum is 108946944
The reverse of 71397291 is 19279317
Previous prime number is 3833
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred ninety-seven thousand two hundred ninety-one
Scientific notation
7.1397291 × 10^7
Engineering notation
7.1397291 × 10^6
Prime Factorization
3 × 7 × 3833 × 887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71397291
Product of the distinct prime numbers
The prime factorization of 71397291 is 3 × 7 × 3833 × 887.
Since it has a total of 4 prime factors.
1 , 7 , 70 , 50 , 629 , 428 , 7155 , 1386 , 57951 , 17193 , 957778 , 180839 , 1157690 , 9048730 , 11579857 , 44258156 , 888569627 , 94261161 , 6223361777 , 5778776177
n×2
142794582
n×3
214191873
n×4
285589164
n×5
356986455
n÷2
35698645.5
n÷3
23799097
n÷3
17849322.75
n÷5
14279458.2
n2
5097573162138681
n3
3.6395291445101E+23
n4
2.5985252143357E+31
n5
1.8552766089876E+39
2 √n
8449.6917695263
3 √n
414.85269073726
4 √n
91.922204986207
5 √n
37.216570181268
1 , 3 , 7 , 21 , 887 , 2661 , 3833 , 6209 , 11499 , 18627 , 26831 , 80493 , 3399871 , 10199613 , 23799097 , 71397291
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71397290
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71397291 can be divided by 16 positive divisors.
The sum of these divisors (counting 71397291) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010110111110101011
3
Ternary
11222100100200010
4
Quaternary
10100112332223
5
Quinary
121234203131
6
Senary
11030143003
8
Octal
420267653
10
Decimal
71397291
12
Duodecimal
1bab1a63
16
Hexadecimal
4416fab
20
Vigesimal
1264d4b
36
Base36
16iai3
md5
eeb91e467e7b2b7c9715e700d7d4708f
sha1
b9d6208b4311887d5233228e3192c49c0938085b
sha256
0f9ead1d4ac890562c441b80987e7f368aa7a744bdd2ee619927a75869298506
sha512
ba184add64a07c04eb5fe6fe8fdf6f1bd923c66d83d3781ceb88a5bd10895276ff84c8b03a19bccfcba5042929f9255a15e9c39b3d7a1cc9bce51ddf1b90e69c
ripemd-160
1c56577a733c931ce4fc5f518047809380581f61
Diameter
142794582
Circumference
448602409.78363
Area
1.6014498397311E+16
Volume
1.5245224030558E+24
Surface area
6.4057993589245E+16
Circumference
448602409.78363
Perimeter
285589164
Area
5097573162138681
Diagonal
100971017.2489
Surface area
30585438972832086
Volume
3.6395291445101E+23
Space diagonal
123663735.53478
Perimeter
214191873
Area
2.2073139280309E+15
Altitude
61831867.76739
Surface area
2.2073139280309E+15
Volume
4.2892262306819E+22
Height
33657005.749633