71387238 is an even 8-digits composite number following 71387237
and preceding 71387239 . In scientific notation, it is written as 7.1387238 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 21965280 positive integers (up to 71387238) that are relatively prime to 71387238.
71387238 has 16 divisors, whose sum is 153757296
The reverse of 71387238 is 83278317
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred eighty-seven thousand two hundred thirty-eight
Scientific notation
7.1387238 × 10^7
Engineering notation
7.1387238 × 10^6
Prime Factorization
2 × 3 × 13 × 915221
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71387238
Product of the distinct prime numbers
The prime factorization of 71387238 is 2 × 3 × 13 × 915221.
Since it has a total of 4 prime factors.
4 , 10 , 83 , 91 , 785 , 13 , 5714 , 4372 , 27671 , 66865 , 48087 , 590551 , 4066495 , 1568658 , 19002505 , 31902288 , 572470127 , 429895166 , 1176161 , 568095391
n×2
142774476
n×3
214161714
n×4
285548952
n×5
356936190
n÷2
35693619
n÷3
23795746
n÷3
17846809.5
n÷5
14277447.6
n2
5096137749268644
n3
3.6379919838783E+23
n4
2.5970619959521E+31
n5
1.8539708280579E+39
2 √n
8449.0968748145
3 √n
414.83321889737
4 √n
91.91896906958
5 √n
37.215522076365
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 915221 , 1830442 , 2745663 , 5491326 , 11897873 , 23795746 , 35693619 , 71387238
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
-71387237
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 71387238 can be divided by 16 positive divisors.
The sum of these divisors (counting 71387238) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100100001100110
3
Ternary
11222022211212210
4
Quaternary
10100110201212
5
Quinary
121233342423
6
Senary
11030024250
8
Octal
420244146
10
Decimal
71387238
12
Duodecimal
1baa8086
16
Hexadecimal
4414866
20
Vigesimal
126381i
36
Base36
16i2qu
md5
9600e02d8afec9cdc6dd62df671bae59
sha1
056fcbfaad7cb9af3ab7c274a1df69811d48a69b
sha256
ea6ec9ee6348dd26d986042d7b6c143ee5f671b0b3b82f50922bb72ac47922b9
sha512
3f4dc088dce1ab6ca4044eb0851715a82878fddeb95263fc7b821d2d985f9f4b2bbf0d95f385aa3000f0d2cb5b2e803a7685c2f1f60ec79c82b4adbfa10830f0
ripemd-160
47f10fcab69355ec81c0b120e2a5ed13534e8b76
Diameter
142774476
Circumference
448539244.92173
Area
1.6009988914784E+16
Volume
1.5238785187161E+24
Surface area
6.4039955659136E+16
Circumference
448539244.92173
Perimeter
285548952
Area
5096137749268644
Diagonal
100956800.15996
Surface area
30576826495611864
Volume
3.6379919838783E+23
Space diagonal
123646323.22801
Perimeter
214161714
Area
2.2066923760257E+15
Altitude
61823161.614006
Surface area
2.2066923760257E+15
Volume
4.2874146695044E+22
Height
33652266.719985