71305840 is an even 8-digits composite number following 71305839
and preceding 71305841 . In scientific notation, it is written as 7.1305840 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 28522304 positive integers (up to 71305840) that are relatively prime to 71305840.
71305840 has 20 divisors, whose sum is 165786264
The reverse of 71305840 is 04850317
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-one million three hundred five thousand eight hundred forty
Scientific notation
7.1305840 × 10^7
Engineering notation
7.1305840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 891323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8913230
Product of the distinct prime numbers
The prime factorization of 71305840 is 2 × 2 × 2 × 2 × 5 × 891323.
Since it has a total of 6 prime factors.
7 , 9 , 29 , 7 , 873 , 928 , 3364 , 7244 , 85927 , 71545 , 924500 , 51584 , 187469 , 3455676 , 37219678 , 16232723 , 604240499 , 977772028 , 4843570806 , 8054383133
n×2
142611680
n×3
213917520
n×4
285223360
n×5
356529200
n÷2
35652920
n÷3
23768613.333333
n÷3
17826460
n÷5
14261168
n2
5084522818105600
n3
3.6255617054419E+23
n4
2.5852372287837E+31
n5
1.8434251219769E+39
2 √n
8444.2785363819
3 √n
414.67549025497
4 √n
91.892755625141
5 √n
37.207031338456
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 891323 , 1782646 , 3565292 , 4456615 , 7130584 , 8913230 , 14261168 , 17826460 , 35652920 , 71305840
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71305839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71305840 can be divided by 20 positive divisors.
The sum of these divisors (counting 71305840) is 1, the average is 0.05.
Base
System
Value
2
Binary
100010000000000101001110000
3
Ternary
11222011201020001
4
Quaternary
10100000221300
5
Quinary
121223241330
6
Senary
11024155344
8
Octal
420005160
10
Decimal
71305840
12
Duodecimal
1ba68b54
16
Hexadecimal
4400a70
20
Vigesimal
125d4c0
36
Base36
16gbxs
md5
428351df4b5401bdc6ca91bb23a23dbd
sha1
94b0de074badb440f700b3a24838974980f30973
sha256
fc350f1cada5e6d3ce83348b535497d202114a785638003f41d0a8b7b65e6638
sha512
5508a77ec349b0f6111d953d2c9d2ef04d1a8752d1ab88b932269aaa3a3d928af90ba4f8bb84026f41d75e9a8de5f394bde0bc8952ddb8df70d060a32843e4dc
ripemd-160
2681c48c7d89360fb8ead61930dd5c88a11665cf
Diameter
142611680
Circumference
448027806.2041
Area
1.597349953237E+16
Volume
1.5186717358604E+24
Surface area
6.3893998129481E+16
Circumference
448027806.2041
Perimeter
285223360
Area
5084522818105600
Diagonal
100841686.00441
Surface area
30507136908633600
Volume
3.6255617054419E+23
Space diagonal
123505337.75638
Perimeter
213917520
Area
2.2016629633005E+15
Altitude
61752668.878189
Surface area
2.2016629633005E+15
Volume
4.2727654458804E+22
Height
33613895.334802