71385138 is an even 8-digits composite number following 71385137
and preceding 71385139 . In scientific notation, it is written as 7.1385138 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 21627000 positive integers (up to 71385138) that are relatively prime to 71385138.
71385138 has 24 divisors, whose sum is 121539600
The reverse of 71385138 is 83158317
Previous prime number is 9
Is Prime? no Number parity even Number length 8 Sum of Digits 36 Digital Root 9
Name
seventy-one million three hundred eighty-five thousand one hundred thirty-eight
Scientific notation
7.1385138 × 10^7
Engineering notation
7.1385138 × 10^6
Prime Factorization
2 × 99 × 9 × 9 × 4451
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
7931682 Product of the distinct prime numbers
The prime factorization of 71385138 is 2 × 99 × 9 × 9 × 4451.
Since it has a total of 5 prime factors.
5 , 8 , 7 , 80 , 46 , 921 , 5620 , 2537 , 62988 , 32102 , 165125 , 178267 , 5785514 , 3454598 , 74470501 , 70477789 , 236716604 , 724820707 , 7813574036 , 530327854
n×2
142770276
n×3
214155414
n×4
285540552
n×5
356925690
n÷2
35692569
n÷3
23795046
n÷3
17846284.5
n÷5
14277027.6
n2
5095837927279044
n3
3.6376709366445E+23
n4
2.5967564181096E+31
n5
1.8536981525914E+39
2 √n8448.9726002633
3 √n414.82915113808
4 √n91.918293066523
5 √n37.215303119817
1 , 2 , 9 , 18 , 81 , 99 , 162 , 198 , 891 , 1782 , 4451 , 8019 , 8902 , 16038 , 40059 , 80118 , 360531 , 440649 , 721062 , 881298 , 3965841 , 7931682 , 35692569 , 71385138
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-71385137 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71385138 can be divided by 24 positive divisors.
The sum of these divisors (counting 71385138) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010000010100000000110010
3
Ternary
11222022202000000
4
Quaternary
10100110000302
5
Quinary
121233311023
6
Senary
11030010430
8
Octal
420240062
10
Decimal
71385138
12
Duodecimal
1baa6a16
16
Hexadecimal
4414032
20
Vigesimal
12632gi
36
Base36
16i14i
md5
404a747b363e6049875cf19e9e418f68
sha1
81776f9e56861ec8a2e34d8b346744e82c092bd8
sha256
f9311566a6a544b6ac5c97ff4c1afbb993696c7c8600d7d10f2a65d62e33bd19
sha512
3a1bef3d7a2ccfaf9c30bf45f13c9072ff0bbba4b3409e6d52b48d46dc7f994663ae38d5376a5cc35e37dd082946fbf13260cfecb829841e13328e98526c6650
ripemd-160
72ed2d53f19615b21e5a050075e6539dda16f621
Diameter
142770276
Circumference
448526050.23259
Area
1.6009046996224E+16
Volume
1.5237440387653E+24
Surface area
6.4036187984896E+16
Circumference
448526050.23259
Perimeter
285540552
Area
5095837927279044
Diagonal
100953830.31148
Surface area
30575027563674264
Volume
3.6376709366445E+23
Space diagonal
123642685.92132
Perimeter
214155414
Area
2.2065625492959E+15
Altitude
61821342.960658
Surface area
2.2065625492959E+15
Volume
4.2870363117109E+22
Height
33651276.770492