71281490 is an even 8-digits composite number following 71281489
and preceding 71281491 . In scientific notation, it is written as 7.1281490 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 24336000 positive integers (up to 71281490) that are relatively prime to 71281490.
71281490 has 16 divisors, whose sum is 110442528
The reverse of 71281490 is 09418217
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-one million two hundred eighty-one thousand four hundred ninety
Scientific notation
7.1281490 × 10^7
Engineering notation
7.1281490 × 10^6
Prime Factorization
2 × 35 × 251 × 4057
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71281490
Product of the distinct prime numbers
The prime factorization of 71281490 is 2 × 35 × 251 × 4057.
Since it has a total of 4 prime factors.
8 , 6 , 43 , 69 , 540 , 606 , 1960 , 2503 , 7133 , 32694 , 510411 , 294752 , 6263444 , 9716937 , 28892702 , 4043225 , 221107638 , 995039623 , 1560296167 , 9590448656
n×2
142562980
n×3
213844470
n×4
285125960
n×5
356407450
n÷2
35640745
n÷3
23760496.666667
n÷3
17820372.5
n÷5
14256298
n2
5081050816620100
n3
3.621848729744E+23
n4
2.5817077401076E+31
n5
1.840279744594E+39
2 √n
8442.8366086286
3 √n
414.62828281831
4 √n
91.884909580565
5 √n
37.20448984959
1 , 2 , 35 , 70 , 251 , 502 , 4057 , 8114 , 8785 , 17570 , 141995 , 283990 , 1018307 , 2036614 , 35640745 , 71281490
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
-71281489
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 71281490 can be divided by 16 positive divisors.
The sum of these divisors (counting 71281490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111111010101101010010
3
Ternary
11222010110211012
4
Quaternary
10033322231102
5
Quinary
121222001430
6
Senary
11023450522
8
Octal
417725522
10
Decimal
71281490
12
Duodecimal
1ba56a42
16
Hexadecimal
43fab52
20
Vigesimal
125a3ea
36
Base36
16ft5e
md5
87669d77f77d74be72b0eae84cc3c096
sha1
41edee5aa88a7c94b5ac3ebdfdd9676eeb7b0ca7
sha256
917d8348c1dfb1604071a68b16401bf90768170b0ac6f95809248e2d79696776
sha512
973f65cfec29a601be5720425600528bb6cac3639afe7fda4f5413be834b47b8f293be32a751130aba0d58ad7f886afae591988a90c906d8d4f57b6aca6a3c40
ripemd-160
88b572f02f6216361b035dbe21aaaf9f8e11788e
Diameter
142562980
Circumference
447874810.64187
Area
1.596259191801E+16
Volume
1.517116448237E+24
Surface area
6.3850367672041E+16
Circumference
447874810.64187
Perimeter
285125960
Area
5081050816620100
Diagonal
100807249.90416
Surface area
30486304899720600
Volume
3.621848729744E+23
Space diagonal
123463162.31921
Perimeter
213844470
Area
2.2001595425563E+15
Altitude
61731581.159606
Surface area
2.2001595425563E+15
Volume
4.2683896620564E+22
Height
33602416.634721