71388947 is an odd 8-digits composite number following 71388946
and preceding 71388948 . In scientific notation, it is written as 7.1388947 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 55427328 positive integers (up to 71388947) that are relatively prime to 71388947.
71388947 has 16 divisors, whose sum is 75157920
The reverse of 71388947 is 74988317
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-one million three hundred eighty-eight thousand nine hundred forty-seven
Scientific notation
7.1388947 × 10^7
Engineering notation
7.1388947 × 10^6
Prime Factorization
133 × 89 × 37 × 163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71388947
Product of the distinct prime numbers
The prime factorization of 71388947 is 133 × 89 × 37 × 163.
Since it has a total of 4 prime factors.
8 , 5 , 77 , 69 , 178 , 996 , 7538 , 8614 , 27823 , 85312 , 998772 , 709899 , 5451302 , 5133822 , 53916347 , 18306637 , 888830333 , 231818136 , 3469289696 , 9024154702
n×2
142777894
n×3
214166841
n×4
285555788
n×5
356944735
n÷2
35694473.5
n÷3
23796315.666667
n÷3
17847236.75
n÷5
14277789.4
n2
5096381753768809
n3
3.6382532691157E+23
n4
2.5973106980148E+31
n5
1.8541927576311E+39
2 √n
8449.1980092788
3 √n
414.83652921975
4 √n
91.919519196299
5 √n
37.215700261486
1 , 37 , 89 , 133 , 163 , 3293 , 4921 , 6031 , 11837 , 14507 , 21679 , 437969 , 536759 , 802123 , 1929431 , 71388947
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
-71388946
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 71388947 can be divided by 16 positive divisors.
The sum of these divisors (counting 71388947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100111100010011
3
Ternary
11222022221020002
4
Quaternary
10100110330103
5
Quinary
121233421242
6
Senary
11030040215
8
Octal
420247423
10
Decimal
71388947
12
Duodecimal
1baa906b
16
Hexadecimal
4414f13
20
Vigesimal
1263c77
36
Base36
16i42b
md5
921338b15e399779268089dd9cb18dff
sha1
0ded6e3e490f460268f6eb8e8b9eb724dbf3272f
sha256
600d9e0669b50c59afe827df15a6cde34485bf6e05de5e3ea691fd09e44db90a
sha512
4c36079ff9bb0c5ee5ee02f70aad1160ba5bb7f72acab262851a43b1931974a47d4eab1d9f2e8f764e983c958639ebe36e00255372539ead26351e8c25430b3a
ripemd-160
35bd956fc74cd703cd5a97288b907334278af841
Diameter
142777894
Circumference
448549982.88542
Area
1.6010755477529E+16
Volume
1.5239879656204E+24
Surface area
6.4043021910117E+16
Circumference
448549982.88542
Perimeter
285555788
Area
5096381753768809
Diagonal
100959217.05093
Surface area
30578290522612854
Volume
3.6382532691157E+23
Space diagonal
123649283.30284
Perimeter
214166841
Area
2.2067980330736E+15
Altitude
61824641.651421
Surface area
2.2067980330736E+15
Volume
4.2877225971097E+22
Height
33653072.350311