71388486 is an even 8-digits composite number following 71388485
and preceding 71388487 . In scientific notation, it is written as 7.1388486 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 21965472 positive integers (up to 71388486) that are relatively prime to 71388486.
71388486 has 8 divisors, whose sum is 107388864
The reverse of 71388486 is 68488317
Previous prime number is 351
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million three hundred eighty-eight thousand four hundred eighty-six
Scientific notation
7.1388486 × 10^7
Engineering notation
7.1388486 × 10^6
Prime Factorization
2 × 351 × 101693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71388486
Product of the distinct prime numbers
The prime factorization of 71388486 is 2 × 351 × 101693.
Since it has a total of 3 prime factors.
9 , 8 , 40 , 50 , 880 , 484 , 7090 , 1021 , 94641 , 57958 , 927079 , 189920 , 4979861 , 5350208 , 52349046 , 94431964 , 439402303 , 625554073 , 3656917837 , 3069900961
n×2
142776972
n×3
214165458
n×4
285553944
n×5
356942430
n÷2
35694243
n÷3
23796162
n÷3
17847121.5
n÷5
14277697.2
n2
5096315933372196
n3
3.6381827866112E+23
n4
2.5972436092743E+31
n5
1.8541328903927E+39
2 √n
8449.170728539
3 √n
414.83563627081
4 √n
91.919370801475
5 √n
37.215652196672
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388485
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388486 can be divided by 8 positive divisors.
The sum of these divisors (counting 71388486) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100110101000110
3
Ternary
11222022220121000
4
Quaternary
10100110311012
5
Quinary
121233412421
6
Senary
11030034130
8
Octal
420246506
10
Decimal
71388486
12
Duodecimal
1baa8946
16
Hexadecimal
4414d46
20
Vigesimal
1263b46
36
Base36
16i3pi
md5
79a42c81fe80013b23d403dea2b4eefa
sha1
90d1fb4447a99f50fef11999ad86fab6fbfff575
sha256
899d4d9e5212644615be11bb1063376b9efe707817692c269fb7530d1514b30b
sha512
a272b8ff038e23b35cf04c5aaf7ea797582d3ba5160cf3bf4994769b75322b22ce312f9b45a9716950346e8b437341e6860159bd9408283fa416b8b9ebf5dfac
ripemd-160
ecd6f060bf8d497dbb4daccc41aee52e233e1e6e
Diameter
142776972
Circumference
448547086.337
Area
1.6010548696655E+16
Volume
1.5239584419779E+24
Surface area
6.4042194786619E+16
Circumference
448547086.337
Perimeter
285553944
Area
5096315933372196
Diagonal
100958565.09848
Surface area
30577895600233176
Volume
3.6381827866112E+23
Space diagonal
123648484.82742
Perimeter
214165458
Area
2.2067695320059E+15
Altitude
61824242.41371
Surface area
2.2067695320059E+15
Volume
4.2876395326816E+22
Height
33652855.032827