71438081 is an odd 8-digits composite number following 71438080
and preceding 71438082 . In scientific notation, it is written as 7.1438081 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 56790720 positive integers (up to 71438081) that are relatively prime to 71438081.
71438081 has 16 divisors, whose sum is 88347840
The reverse of 71438081 is 18083417
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-one million four hundred thirty-eight thousand eighty-one
Scientific notation
7.1438081 × 10^7
Engineering notation
7.1438081 × 10^6
Prime Factorization
11 × 13 × 19 × 26293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71438081
Product of the distinct prime numbers
The prime factorization of 71438081 is 11 × 13 × 19 × 26293.
Since it has a total of 4 prime factors.
3 , 4 , 38 , 64 , 175 , 8 , 6879 , 5594 , 80945 , 35644 , 40708 , 301129 , 543624 , 5286975 , 92771293 , 4192548 , 781447942 , 23103645 , 6156574478 , 1738260056
n×2
142876162
n×3
214314243
n×4
285752324
n×5
357190405
n÷2
35719040.5
n÷3
23812693.666667
n÷3
17859520.25
n÷5
14287616.2
n2
5103399416962561
n3
3.6457706092432E+23
n4
2.6044685609054E+31
n5
1.8605823601591E+39
2 √n
8452.1051223941
3 √n
414.931678887
4 √n
91.9353311975
5 √n
37.220821650984
1 , 11 , 13 , 19 , 143 , 209 , 247 , 2717 , 26293 , 289223 , 341809 , 499567 , 3759899 , 5495237 , 6494371 , 71438081
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
-71438080
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 71438081 can be divided by 16 positive divisors.
The sum of these divisors (counting 71438081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000100000111100000001
3
Ternary
11222102102121212
4
Quaternary
10100200330001
5
Quinary
121242004311
6
Senary
11031055505
8
Octal
420407401
10
Decimal
71438081
12
Duodecimal
1bb11595
16
Hexadecimal
4420f01
20
Vigesimal
1269f41
36
Base36
16j5z5
md5
964ac8bf04d8bf4438a898146fd72ae5
sha1
ea48cdcb44863c1702fcb9c0a62b6f55739c0262
sha256
c1dea3f542daef5ac5b4743fbce1bf428c1074c1694f49891557a908169286cd
sha512
135797b7c309771cd4d4dee0bc8c42e06acc74c9e3a1122eac54956f2674f8ee4d1e4e43fda91b8fef22e08ff02bfbb18b8324a6f8e1fa97da214fce91af7bf8
ripemd-160
e1ce69924408dcac45875aa75a417326e2401e24
Diameter
142876162
Circumference
448858700.91231
Area
1.6032802116664E+16
Volume
1.5271368216896E+24
Surface area
6.4131208466656E+16
Circumference
448858700.91231
Perimeter
285752324
Area
5103399416962561
Diagonal
101028703.02011
Surface area
30620396501775366
Volume
3.6457706092432E+23
Space diagonal
123734385.88722
Perimeter
214314243
Area
2.2098367703741E+15
Altitude
61867192.94361
Surface area
2.2098367703741E+15
Volume
4.2965818674108E+22
Height
33676234.340036