71388558 is an even 8-digits composite number following 71388557
and preceding 71388559 . In scientific notation, it is written as 7.1388558 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 23760000 positive integers (up to 71388558) that are relatively prime to 71388558.
71388558 has 16 divisors, whose sum is 119161920
The reverse of 71388558 is 85588317
Previous prime number is 751
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 five hundred fifty-eight
Scientific notation
7.1388558 × 10^7
Engineering notation
7.1388558 × 10^6
Prime Factorization
2 × 9 × 751 × 5281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71388558
Product of the distinct prime numbers
The prime factorization of 71388558 is 2 × 9 × 751 × 5281.
Since it has a total of 4 prime factors.
5 , 5 , 66 , 35 , 509 , 129 , 7570 , 3154 , 22161 , 23146 , 401558 , 414612 , 3693572 , 5092584 , 31788553 , 40906115 , 500024499 , 27427736 , 5343884148 , 8927371276
n×2
142777116
n×3
214165674
n×4
285554232
n×5
356942790
n÷2
35694279
n÷3
23796186
n÷3
17847139.5
n÷5
14277711.6
n2
5096326213319364
n3
3.6381937946647E+23
n4
2.5972540872566E+31
n5
1.8541422404886E+39
2 √n
8449.1749893111
3 √n
414.83577573381
4 √n
91.919393978154
5 √n
37.215659703558
1 , 2 , 9 , 18 , 751 , 1502 , 5281 , 6759 , 10562 , 13518 , 47529 , 95058 , 3966031 , 7932062 , 35694279 , 71388558
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
-71388557
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 71388558 can be divided by 16 positive divisors.
The sum of these divisors (counting 71388558) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100110110001110
3
Ternary
11222022220200200
4
Quaternary
10100110312032
5
Quinary
121233413213
6
Senary
11030034330
8
Octal
420246616
10
Decimal
71388558
12
Duodecimal
1baa89a6
16
Hexadecimal
4414d8e
20
Vigesimal
1263b7i
36
Base36
16i3ri
md5
fa8020c3a8ea6026a3ad13fb1f587f17
sha1
c0f2f0501e33620e959867e184823e3af9c69355
sha256
7e9d42ada06d14708dd516e9d492bea74c2809328cb24e834c752a92fa2e4935
sha512
c8d600cc81f384ddc001fbce37cc240ab13edcfee3c1a9e7b6e0e6c18a5a2b0fc5afa9dc6e092e9a4ff2a613b5022f6e3f53e0810a74a610c3437a0bf8647d05
ripemd-160
f09d2d77bceca597b5bbe4a8d6023b443e209258
Diameter
142777116
Circumference
448547538.72634
Area
1.6010580992061E+16
Volume
1.5239630530206E+24
Surface area
6.4042323968245E+16
Circumference
448547538.72634
Perimeter
285554232
Area
5096326213319364
Diagonal
100958666.92186
Surface area
30577957279916184
Volume
3.6381937946647E+23
Space diagonal
123648609.53508
Perimeter
214165674
Area
2.2067739833536E+15
Altitude
61824304.767539
Surface area
2.2067739833536E+15
Volume
4.287652505797E+22
Height
33652888.973953