71445905 is an odd 8-digits composite number following 71445904
and preceding 71445906 . In scientific notation, it is written as 7.1445905 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 57156720 positive integers (up to 71445905) that are relatively prime to 71445905.
71445905 has 4 divisors, whose sum is 85735092
The reverse of 71445905 is 50954417
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million four hundred forty-five thousand nine hundred five
Scientific notation
7.1445905 × 10^7
Engineering notation
7.1445905 × 10^6
Prime Factorization
5 × 14289181
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71445905
Product of the distinct prime numbers
The prime factorization of 71445905 is 5 × 14289181.
Since it has a total of 2 prime factors.
2 , 4 , 91 , 7 , 795 , 127 , 1478 , 1204 , 2060 , 37855 , 922095 , 418301 , 9166530 , 7400175 , 69234738 , 39261984 , 640579772 , 836170429 , 9275662493 , 8292512643
n×2
142891810
n×3
214337715
n×4
285783620
n×5
357229525
n÷2
35722952.5
n÷3
23815301.666667
n÷3
17861476.25
n÷5
14289181
n2
5104517341269025
n3
3.6469686103516E+23
n4
2.6056097287316E+31
n5
1.8616014514604E+39
2 √n
8452.5679529951
3 √n
414.94682630277
4 √n
91.937848316105
5 √n
37.22163691071
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
-71445904
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 71445905 can be divided by 4 positive divisors.
The sum of these divisors (counting 71445905) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000100010110110010001
3
Ternary
11222102211100122
4
Quaternary
10100202312101
5
Quinary
121242232110
6
Senary
11031200025
8
Octal
420426621
10
Decimal
71445905
12
Duodecimal
1bb16015
16
Hexadecimal
4422d91
20
Vigesimal
126aef5
36
Base36
16jc0h
md5
224e55be774e86b923ce3dc69195fb42
sha1
ca1d1f1f7b4e327d05cdc5e8b8f76c3a26d57f55
sha256
52319665b0b3c013d78d8c8a2e0686b9938e4bdb7139defcb9093be520405cd3
sha512
0b4f83034a289ee7980ffb5101419e9e20b85f582cb5df7392d0fe1d19a751f00d91f63c30b71496f19b5c464cd563c489d7651710eb0cc8997b1a4a53b41536
ripemd-160
1ee10131c4c536a875807cedafa994dde16d96a2
Diameter
142891810
Circumference
448907860.55415
Area
1.6036314179452E+16
Volume
1.5276386392204E+24
Surface area
6.414525671781E+16
Circumference
448907860.55415
Perimeter
285783620
Area
5104517341269025
Diagonal
101039767.82702
Surface area
30627104047614150
Volume
3.6469686103516E+23
Space diagonal
123747937.45274
Perimeter
214337715
Area
2.2103208457986E+15
Altitude
61873968.72637
Surface area
2.2103208457986E+15
Volume
4.2979937252568E+22
Height
33679922.609007