71323281 is an odd 8-digits composite number following 71323280
and preceding 71323282 . In scientific notation, it is written as 7.1323281 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 46014480 positive integers (up to 71323281) that are relatively prime to 71323281.
71323281 has 16 divisors, whose sum is 109073920
The reverse of 71323281 is 18232317
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-one million three hundred twenty-three thousand two hundred eighty-one
Scientific notation
7.1323281 × 10^7
Engineering notation
7.1323281 × 10^6
Prime Factorization
3 × 9 × 31 × 85213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71323281
Product of the distinct prime numbers
The prime factorization of 71323281 is 3 × 9 × 31 × 85213.
Since it has a total of 4 prime factors.
7 , 4 , 24 , 4 , 89 , 627 , 3018 , 3130 , 19060 , 21762 , 805045 , 279094 , 8177655 , 6661233 , 757776 , 57793120 , 168998101 , 244798959 , 2033297192 , 9353950009
n×2
142646562
n×3
213969843
n×4
285293124
n×5
356616405
n÷2
35661640.5
n÷3
23774427
n÷3
17830820.25
n÷5
14264656.2
n2
5087010412604961
n3
3.6282227310815E+23
n4
2.5877674937951E+31
n5
1.8456806812262E+39
2 √n
8445.31118432
3 √n
414.70929658202
4 √n
91.898374220222
5 √n
37.208851285751
1 , 3 , 9 , 27 , 31 , 93 , 279 , 837 , 85213 , 255639 , 766917 , 2300751 , 2641603 , 7924809 , 23774427 , 71323281
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
-71323280
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 71323281 can be divided by 16 positive divisors.
The sum of these divisors (counting 71323281) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000000100111010010001
3
Ternary
11222012121011000
4
Quaternary
10100010322101
5
Quinary
121224321111
6
Senary
11024412213
8
Octal
420047221
10
Decimal
71323281
12
Duodecimal
1ba77069
16
Hexadecimal
4404e91
20
Vigesimal
125f841
36
Base36
16gpe9
md5
aadbfc2431d5e3dcb46869fd86c26527
sha1
0bd6bdad34f6e9e6bfb57f5d756072ac487ee14d
sha256
462179676c74d44b5c167de9b0f62a6e457fd57172964730a2a79d2bfb2ede7e
sha512
b6bf99d66b86ea5e36ed79f530b4f1af8012b720a44f469f9d239dd8a2869fab76f25220ece12d1d49d4ac4ca5a5eeffd807679b0557b8a04a74c755388f51fe
ripemd-160
39580fbcba42f01cbb744eed24d33b4c8d870134
Diameter
142646562
Circumference
448137391.23904
Area
1.5981314540975E+16
Volume
1.5197863836737E+24
Surface area
6.3925258163898E+16
Circumference
448137391.23904
Perimeter
285293124
Area
5087010412604961
Diagonal
100866351.30315
Surface area
30522062475629766
Volume
3.6282227310815E+23
Space diagonal
123535546.45451
Perimeter
213969843
Area
2.2027401233159E+15
Altitude
61767773.227256
Surface area
2.2027401233159E+15
Volume
4.2759014946715E+22
Height
33622117.101049