71388493 is an odd 8-digits composite number following 71388492
and preceding 71388494 . In scientific notation, it is written as 7.1388493 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 64898620 positive integers (up to 71388493) that are relatively prime to 71388493.
71388493 has 4 divisors, whose sum is 77878368
The reverse of 71388493 is 39488317
Previous prime number is 11
Is Prime? no Number parity odd Number length 8 Sum of Digits 43 Digital Root 7
Name
seventy-one million three hundred eighty-eight thousand four hundred ninety-three
Scientific notation
7.1388493 × 10^7
Engineering notation
7.1388493 × 10^6
Prime Factorization
11 × 6489863
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
71388493 Product of the distinct prime numbers
The prime factorization of 71388493 is 11 × 6489863.
Since it has a total of 2 prime factors.
2 , 2 , 32 , 83 , 597 , 355 , 8216 , 9543 , 72449 , 85999 , 324381 , 432292 , 4471277 , 6753169 , 76556562 , 59659802 , 160978110 , 53138154 , 5634238846 , 731264683
n×2
142776986
n×3
214165479
n×4
285553972
n×5
356942465
n÷2
35694246.5
n÷3
23796164.333333
n÷3
17847123.25
n÷5
14277698.6
n2
5096316932811049
n3
3.6381838568376E+23
n4
2.5972446279657E+31
n5
1.8541337994281E+39
2 √n8449.1711427808
3 √n414.83564982972
4 √n91.919373054764
5 √n37.215652926509
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-71388492 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388493 can be divided by 4 positive divisors.
The sum of these divisors (counting 71388493) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010100110101001101
3
Ternary
11222022220121021
4
Quaternary
10100110311031
5
Quinary
121233412433
6
Senary
11030034141
8
Octal
420246515
10
Decimal
71388493
12
Duodecimal
1baa8951
16
Hexadecimal
4414d4d
20
Vigesimal
1263b4d
36
Base36
16i3pp
md5
c29a067209c5d31b49adb56573becec3
sha1
b2a5a17b7efe5778d397a09038e15274f7dcee2f
sha256
4aa48bc025974fc42251dd26216f67d0c93b76abba68cecc3765f62b82271593
sha512
a53f6938d32051ea51d92c24dd33f4250c750d61d299d9f8523ec951491e180f5a170d1ec8866f4471d1c88963583b4661f17ea28589d9dd91b9f4f4a1063695
ripemd-160
67a371425d6ac0fd037b527e02ee3d3183786670
Diameter
142776986
Circumference
448547130.31929
Area
1.6010551836484E+16
Volume
1.5239588902733E+24
Surface area
6.4042207345938E+16
Circumference
448547130.31929
Perimeter
285553972
Area
5096316932811049
Diagonal
100958574.99798
Surface area
30577901596866294
Volume
3.6381838568376E+23
Space diagonal
123648496.95178
Perimeter
214165479
Area
2.2067699647756E+15
Altitude
61824248.475888
Surface area
2.2067699647756E+15
Volume
4.2876407939555E+22
Height
33652858.332659