71385642 is an even 8-digits composite number following 71385641
and preceding 71385643 . In scientific notation, it is written as 7.1385642 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 23795208 positive integers (up to 71385642) that are relatively prime to 71385642.
71385642 has 12 divisors, whose sum is 154668930
The reverse of 71385642 is 24658317
Previous prime number is 3
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 six hundred forty-two
Scientific notation
7.1385642 × 10^7
Engineering notation
7.1385642 × 10^6
Prime Factorization
2 × 3 × 3 × 3965869
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
23795214
Product of the distinct prime numbers
The prime factorization of 71385642 is 2 × 3 × 3 × 3965869.
Since it has a total of 4 prime factors.
3 , 6 , 78 , 12 , 743 , 906 , 4760 , 4783 , 80078 , 47724 , 584470 , 79999 , 4677475 , 8683471 , 76950593 , 32290391 , 554521385 , 407624957 , 1005911639 , 5357164143
n×2
142771284
n×3
214156926
n×4
285542568
n×5
356928210
n÷2
35692821
n÷3
23795214
n÷3
17846410.5
n÷5
14277128.4
n2
5095909883752164
n3
3.6377479862579E+23
n4
2.5968297543323E+31
n5
1.8537635917771E+39
2 √n
8449.0024263223
3 √n
414.83012740758
4 √n
91.918455308617
5 √n
37.215355669858
1 , 2 , 3 , 6 , 9 , 18 , 3965869 , 7931738 , 11897607 , 23795214 , 35692821 , 71385642
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71385641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71385642 can be divided by 12 positive divisors.
The sum of these divisors (counting 71385642) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010000010100001000101010
3
Ternary
11222022202200200
4
Quaternary
10100110020222
5
Quinary
121233320032
6
Senary
11030013030
8
Octal
420241052
10
Decimal
71385642
12
Duodecimal
1baa7176
16
Hexadecimal
441422a
20
Vigesimal
1263422
36
Base36
16i1ii
md5
4319b0beafe6b0c078ff70c55542c919
sha1
3dec4980b21ef045366600f8ba194deb78d58a65
sha256
92ca5a81a9690ba2b9425115c4986bac70a191e07da5bbe87299658553a6fff2
sha512
dd02ef97e3153b2b9653785b20d82bdda29949db7189d7af72667d80c055589b3e64fe0fee209d2d675501da3f33cee07427cc4a42a30438c17285c57b6af69e
ripemd-160
66b54f3e74216f54022d0b43bb0270ac480fcc69
Diameter
142771284
Circumference
448529216.95798
Area
1.6009273054151E+16
Volume
1.5237763132319E+24
Surface area
6.4037092216606E+16
Circumference
448529216.95798
Perimeter
285542568
Area
5095909883752164
Diagonal
100954543.07511
Surface area
30575459302512984
Volume
3.6377479862579E+23
Space diagonal
123643558.87492
Perimeter
214156926
Area
2.2065937073628E+15
Altitude
61821779.437461
Surface area
2.2065937073628E+15
Volume
4.2871271155512E+22
Height
33651514.35837