71293988 is an even 8-digits composite number following 71293987
and preceding 71293989 . In scientific notation, it is written as 7.1293988 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 18 positive divisors.
There are 33549568 positive integers (up to 71293988) that are relatively prime to 71293988.
71293988 has 18 divisors, whose sum is 132537426
The reverse of 71293988 is 88939217
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-one million two hundred ninety-three thousand nine hundred eighty-eight
Scientific notation
7.1293988 × 10^7
Engineering notation
7.1293988 × 10^6
Prime Factorization
2 × 2 × 17 × 17 × 61673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2096882
Product of the distinct prime numbers
The prime factorization of 71293988 is 2 × 2 × 17 × 17 × 61673.
Since it has a total of 5 prime factors.
1 , 6 , 86 , 19 , 307 , 525 , 41 , 5626 , 27073 , 87490 , 474470 , 734333 , 7428669 , 8131426 , 60600971 , 61788304 , 50738424 , 907488054 , 9668927558 , 9197003524
n×2
142587976
n×3
213881964
n×4
285175952
n×5
356469940
n÷2
35646994
n÷3
23764662.666667
n÷3
17823497
n÷5
14258797.6
n2
5082832724944144
n3
3.6237541529818E+23
n4
2.5835188509763E+31
n5
1.8418936195928E+39
2 √n
8443.5767302725
3 √n
414.65251408063
4 √n
91.8889369308
5 √n
37.205794393328
1 , 2 , 4 , 17 , 34 , 68 , 289 , 578 , 1156 , 61673 , 123346 , 246692 , 1048441 , 2096882 , 4193764 , 17823497 , 35646994 , 71293988
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71293987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71293988 can be divided by 18 positive divisors.
The sum of these divisors (counting 71293988) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100001111111101110000100100
3
Ternary
11222011002222002
4
Quaternary
10033331300210
5
Quinary
121222401423
6
Senary
11024024432
8
Octal
417756044
10
Decimal
71293988
12
Duodecimal
1ba62118
16
Hexadecimal
43fdc24
20
Vigesimal
125bej8
36
Base36
16g2sk
md5
5ef378efdedfaedfb82ed508a15a619d
sha1
48c92d4dfbe334605c03436127b304093691a248
sha256
8ee08a728c9aba8f34b9b19b34472ee7eb64bdae0b6de06e56994c42814adb10
sha512
a07dc6f672a79f0d8cac4ec759ae939f532d4434ee2abc6075c97ad1098d507dfc14aa02799cca6157be941c8926d5292395ec9005b42846db04a16262ffb55e
ripemd-160
6422f20536f5e86219736674892a11dbea4d428a
Diameter
142587976
Circumference
447953337.89184
Area
1.596818994811E+16
Volume
1.5179145900564E+24
Surface area
6.3872759792441E+16
Circumference
447953337.89184
Perimeter
285175952
Area
5082832724944144
Diagonal
100824924.74526
Surface area
30496996349664864
Volume
3.6237541529818E+23
Space diagonal
123484809.49021
Perimeter
213881964
Area
2.2009311314943E+15
Altitude
61742404.745103
Surface area
2.2009311314943E+15
Volume
4.2706352248772E+22
Height
33608308.248422