71345281 is an odd 8-digits composite number following 71345280
and preceding 71345282 . In scientific notation, it is written as 7.1345281 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 60844608 positive integers (up to 71345281) that are relatively prime to 71345281.
71345281 has 8 divisors, whose sum is 81948800
The reverse of 71345281 is 18254317
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-one million three hundred forty-five thousand two hundred eighty-one
Scientific notation
7.1345281 × 10^7
Engineering notation
7.1345281 × 10^6
Prime Factorization
7 × 199 × 51217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71345281
Product of the distinct prime numbers
The prime factorization of 71345281 is 7 × 199 × 51217.
Since it has a total of 3 prime factors.
2 , 9 , 31 , 25 , 43 , 76 , 5486 , 6483 , 19180 , 2940 , 781152 , 495626 , 6013152 , 2402068 , 78117763 , 36979483 , 824293051 , 861714943 , 3935744843 , 2198186372
n×2
142690562
n×3
214035843
n×4
285381124
n×5
356726405
n÷2
35672640.5
n÷3
23781760.333333
n÷3
17836320.25
n÷5
14269056.2
n2
5090149120968961
n3
3.6315811936743E+23
n4
2.5909618073701E+31
n5
1.8485289820709E+39
2 √n
8446.6135817853
3 √n
414.75193187344
4 √n
91.905460021618
5 √n
37.211146451469
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71345280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71345281 can be divided by 8 positive divisors.
The sum of these divisors (counting 71345281) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000001010010010000001
3
Ternary
11222020201022211
4
Quaternary
10100022102001
5
Quinary
121231022111
6
Senary
11025102121
8
Octal
420122201
10
Decimal
71345281
12
Duodecimal
1ba87941
16
Hexadecimal
440a481
20
Vigesimal
125i341
36
Base36
16h6dd
md5
3eacae000c2a1413deefc13a6ef8ce50
sha1
0dca849117c4045ac97e77af1accf8f7f0471c4b
sha256
f552d0d9f014c3d00b70758a4131bb852154da7065524788970fb23e892db097
sha512
167f765e1ae770ecf9ad9f710daad574e99c0ec6625e9e7ebb372e18067599858a5c23c63ef01e65a1285c70c8183dfa522e7c1dc03c7e529670e84759256434
ripemd-160
c889bf122de99acf2804e988128f24c058b473d5
Diameter
142690562
Circumference
448275621.3158
Area
1.5991175084113E+16
Volume
1.521193173195E+24
Surface area
6.3964700336451E+16
Circumference
448275621.3158
Perimeter
285381124
Area
5090149120968961
Diagonal
100897464.00152
Surface area
30540894725813766
Volume
3.6315811936743E+23
Space diagonal
123573651.57228
Perimeter
214035843
Area
2.2040992239051E+15
Altitude
61786825.786139
Surface area
2.2040992239051E+15
Volume
4.2798594807944E+22
Height
33632488.000506