71320905 is an odd 8-digits composite number following 71320904
and preceding 71320906 . In scientific notation, it is written as 7.1320905 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 37822464 positive integers (up to 71320905) that are relatively prime to 71320905.
71320905 has 16 divisors, whose sum is 79340800
The reverse of 71320905 is 50902317
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-one million three hundred twenty thousand nine hundred five
Scientific notation
7.1320905 × 10^7
Engineering notation
7.1320905 × 10^6
Prime Factorization
15 × 27 × 229 × 769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71320905
Product of the distinct prime numbers
The prime factorization of 71320905 is 15 × 27 × 229 × 769.
Since it has a total of 4 prime factors.
5 , 7 , 10 , 66 , 86 , 159 , 4304 , 6637 , 77352 , 63497 , 786494 , 475723 , 2157487 , 5897785 , 92201391 , 73576460 , 146317362 , 589790638 , 4032174148 , 6422770646
n×2
142641810
n×3
213962715
n×4
285283620
n×5
356604525
n÷2
35660452.5
n÷3
23773635
n÷3
17830226.25
n÷5
14264181
n2
5086671490019025
n3
3.6278601410586E+23
n4
2.5874226847372E+31
n5
1.8453732749299E+39
2 √n
8445.1705133763
3 √n
414.704691446
4 √n
91.897608855597
5 √n
37.208603373968
1 , 15 , 27 , 229 , 405 , 769 , 3435 , 6183 , 11535 , 20763 , 92745 , 176101 , 311445 , 2641515 , 4754727 , 71320905
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
-71320904
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 71320905 can be divided by 16 positive divisors.
The sum of these divisors (counting 71320905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000000100010101001001
3
Ternary
11222012110220000
4
Quaternary
10100010111021
5
Quinary
121224232110
6
Senary
11024353213
8
Octal
420042511
10
Decimal
71320905
12
Duodecimal
1ba75809
16
Hexadecimal
4404549
20
Vigesimal
125f255
36
Base36
16gnk9
md5
31b131e0af059cac48eb3a9258e26f54
sha1
4e63440940dbcbc676640577edd3d7fe41ec15ff
sha256
b178992274529fc2aeaf631549bd88f2da261d358c4dda1cb5d66716e7c46e88
sha512
0506146c296d4b42fcca164b96975308735a2be0e2f77133929136e020192f412b31864920ee8e79acc0af556ecf136d6b882c8b838a9d8af942e527478d477b
ripemd-160
1cba3845d9061cfc71fdc42a78e2be0ca9887201
Diameter
142641810
Circumference
448122462.39075
Area
1.5980249784268E+16
Volume
1.5196345023201E+24
Surface area
6.3920999137074E+16
Circumference
448122462.39075
Perimeter
285283620
Area
5086671490019025
Diagonal
100862991.13172
Surface area
30520028940114150
Volume
3.6278601410586E+23
Space diagonal
123531431.10179
Perimeter
213962715
Area
2.2025933655313E+15
Altitude
61765715.550897
Surface area
2.2025933655313E+15
Volume
4.2754741782315E+22
Height
33620997.043908