71387239 is an odd 8-digits composite number following 71387238
and preceding 71387240 . In scientific notation, it is written as 7.1387239 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors.
There are 52673280 positive integers (up to 71387239) that are relatively prime to 71387239.
71387239 has 32 divisors, whose sum is 93809664
The reverse of 71387239 is 93278317
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-one million three hundred eighty-seven thousand two hundred thirty-nine
Scientific notation
7.1387239 × 10^7
Engineering notation
7.1387239 × 10^6
Prime Factorization
7 × 11 × 173 × 23 × 233
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71387239
Product of the distinct prime numbers
The prime factorization of 71387239 is 7 × 11 × 173 × 23 × 233.
Since it has a total of 5 prime factors.
3 , 10 , 2 , 18 , 386 , 865 , 1725 , 2836 , 5041 , 84868 , 756035 , 863719 , 3240424 , 8226332 , 49549754 , 61334034 , 619488649 , 420740644 , 657907792 , 8535193848
n×2
142774478
n×3
214161717
n×4
285548956
n×5
356936195
n÷2
35693619.5
n÷3
23795746.333333
n÷3
17846809.75
n÷5
14277447.8
n2
5096137892043121
n3
3.6379921367624E+23
n4
2.5970621414718E+31
n5
1.853970957911E+39
2 √n
8449.0969339924
3 √n
414.83322083438
4 √n
91.918969391483
5 √n
37.215522180629
1 , 7 , 11 , 23 , 77 , 161 , 173 , 233 , 253 , 1211 , 1631 , 1771 , 1903 , 2563 , 3979 , 5359 , 13321 , 17941 , 27853 , 37513 , 40309 , 43769 , 58949 , 282163 , 306383 , 412643 , 443399 , 927107 , 3103793 , 6489749 , 10198177 , 71387239
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71387238
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71387239 can be divided by 32 positive divisors.
The sum of these divisors (counting 71387239) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010100100001100111
3
Ternary
11222022211212211
4
Quaternary
10100110201213
5
Quinary
121233342424
6
Senary
11030024251
8
Octal
420244147
10
Decimal
71387239
12
Duodecimal
1baa8087
16
Hexadecimal
4414867
20
Vigesimal
126381j
36
Base36
16i2qv
md5
2fdf694c1cb6b5dadd35aaf5baa0b1c2
sha1
7c2a58d4eef502e78660cf60fdc7b9f5feaf0164
sha256
2e27e786047cb79d04329b5c297802c404d7ee4c4b302e7e9e24ae0b4d0f210e
sha512
b4341e5a6781629fdc74b8be7d41100e9d0c0f2b57e8f5aca8d52c9dc3a5bb2a65f1781c5154c528bfd1051af0acdafbe49586bb958f727ba5224db3719ffa49
ripemd-160
8373068671634a2b1c78980e0508bcc4cb06825d
Diameter
142774478
Circumference
448539251.20492
Area
1.6009989363323E+16
Volume
1.523878582756E+24
Surface area
6.4039957453293E+16
Circumference
448539251.20492
Perimeter
285548956
Area
5096137892043121
Diagonal
100956801.57417
Surface area
30576827352258726
Volume
3.6379921367624E+23
Space diagonal
123646324.96006
Perimeter
214161717
Area
2.2066924378489E+15
Altitude
61823162.480031
Surface area
2.2066924378489E+15
Volume
4.28741484968E+22
Height
33652267.19139