71318921 is an odd 8-digits prime number following 71318920
and preceding 71318922 . In scientific notation, it is written as 7.1318921 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 71318920 positive integers (up to 71318921) that are relatively prime to 71318921.
71318921 has 2 divisors, whose sum is 71318922
The reverse of 71318921 is 12981317
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-one million three hundred eighteen thousand nine hundred twenty-one
Scientific notation
7.1318921 × 10^7
Engineering notation
7.1318921 × 10^6
Prime Factorization
71318921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
71318921
Product of the distinct prime numbers
The prime factorization of 71318921 is 71318921.
Since it has a total of 1 prime factors.
7 , 10 , 61 , 89 , 29 , 39 , 3268 , 1489 , 94121 , 44097 , 16310 , 422763 , 2993857 , 6735137 , 57262332 , 94399633 , 460552135 , 207315846 , 5015608595 , 9543399180
n×2
142637842
n×3
213956763
n×4
285275684
n×5
356594605
n÷2
35659460.5
n÷3
23772973.666667
n÷3
17829730.25
n÷5
14263784.2
n2
5086388492604241
n3
3.6275573907935E+23
n4
2.5871347897697E+31
n5
1.8451166168794E+39
2 √n
8445.0530489749
3 √n
414.70084600154
4 √n
91.896969748599
5 √n
37.208396358394
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
71318922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
35659461
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8445.0531081811
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999971957
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71318921 can be divided by 2 positive divisors.
The sum of these divisors (counting 71318921) is 71318922, the average is 35659461.
Base
System
Value
2
Binary
100010000000011110110001001
3
Ternary
11222012101011112
4
Quaternary
10100003312021
5
Quinary
121224201141
6
Senary
11024340105
8
Octal
420036611
10
Decimal
71318921
12
Duodecimal
1ba74635
16
Hexadecimal
4403d89
20
Vigesimal
125eh61
36
Base36
16gm15
md5
da9a6aff69dc1f9b845c8cebab361e37
sha1
a00b12631c6b7342b23872710967eb87cd248b40
sha256
e85325a306ed727d1701c88a4d993c3727c339798919e12c90b6d71abff13d2b
sha512
4a633538f65146b6055f77a1961b45f43c0b86ec1fd58ac3101a3dc121d9bf04cc30f52e633d0cbb103ebf54c5e16e42a8cf133ae5422353dedd55bc7166422e
ripemd-160
50dcda1c03730039a1e3080b54726cb26a763a52
Diameter
142637842
Circumference
448109996.5511
Area
1.5979360721669E+16
Volume
1.5195076865856E+24
Surface area
6.3917442886677E+16
Circumference
448109996.5511
Perimeter
285275684
Area
5086388492604241
Diagonal
100860185.33202
Surface area
30518330955625446
Volume
3.6275573907935E+23
Space diagonal
123527994.71299
Perimeter
213956763
Area
2.2024708240561E+15
Altitude
61763997.356495
Surface area
2.2024708240561E+15
Volume
4.2751173836224E+22
Height
33620061.777338