71388930 is an even 8-digits composite number following 71388929
and preceding 71388931 . In scientific notation, it is written as 7.1388930 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 19037040 positive integers (up to 71388930) that are relatively prime to 71388930.
71388930 has 16 divisors, whose sum is 171333504
The reverse of 71388930 is 03988317
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred eighty-eight thousand nine hundred thirty
Scientific notation
7.1388930 × 10^7
Engineering notation
7.1388930 × 10^6
Prime Factorization
2 × 5 × 3 × 2379631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71388930
Product of the distinct prime numbers
The prime factorization of 71388930 is 2 × 5 × 3 × 2379631.
Since it has a total of 4 prime factors.
10 , 6 , 24 , 88 , 249 , 384 , 5060 , 9395 , 65795 , 13615 , 875793 , 107260 , 4052962 , 2379369 , 82682360 , 61652853 , 5276891 , 401079159 , 9213569006 , 1248275253
n×2
142777860
n×3
214166790
n×4
285555720
n×5
356944650
n÷2
35694465
n÷3
23796310
n÷3
17847232.5
n÷5
14277786
n2
5096379326544900
n3
3.6382506699616E+23
n4
2.5973082240034E+31
n5
1.854190549918E+39
2 √n
8449.1970032661
3 √n
414.83649629111
4 √n
91.919513724051
5 √n
37.215698489035
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 2379631 , 4759262 , 7138893 , 11898155 , 14277786 , 23796310 , 35694465 , 71388930
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
-71388929
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 71388930 can be divided by 16 positive divisors.
The sum of these divisors (counting 71388930) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100111100000010
3
Ternary
11222022221012110
4
Quaternary
10100110330002
5
Quinary
121233421210
6
Senary
11030040150
8
Octal
420247402
10
Decimal
71388930
12
Duodecimal
1baa9056
16
Hexadecimal
4414f02
20
Vigesimal
1263c6a
36
Base36
16i41u
md5
d614880b65c7b062a9b9c3b381eaf496
sha1
6e61444f7969ccae94229faebca773f8b3f3d7be
sha256
07b3b6f4315f1f64971cbd0c9a56f20e60e96951caeda218ec8b345139347b94
sha512
e94734095804a97215559ba999787ebe72f18cdfa9d0a42b0ba92f2409804fbcf11c85e3d6c9b25b65e5547070126d33199270ea46b52844fac9ed1fd421727e
ripemd-160
fbd41601e1dfb137cd1c8b104649a0a71089d76d
Diameter
142777860
Circumference
448549876.07127
Area
1.601074785218E+16
Volume
1.5239868768893E+24
Surface area
6.4042991408721E+16
Circumference
448549876.07127
Perimeter
285555720
Area
5096379326544900
Diagonal
100959193.0093
Surface area
30578275959269400
Volume
3.6382506699616E+23
Space diagonal
123649253.85798
Perimeter
214166790
Area
2.2067969820549E+15
Altitude
61824626.928989
Surface area
2.2067969820549E+15
Volume
4.2877195339773E+22
Height
33653064.336435