71388925 is an odd 8-digits composite number following 71388924
and preceding 71388926 . In scientific notation, it is written as 7.1388925 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors.
There are 57111120 positive integers (up to 71388925) that are relatively prime to 71388925.
71388925 has 6 divisors, whose sum is 88522298
The reverse of 71388925 is 52988317
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred eighty-eight thousand nine hundred twenty-five
Scientific notation
7.1388925 × 10^7
Engineering notation
7.1388925 × 10^6
Prime Factorization
5 × 5 × 2855557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
14277785
Product of the distinct prime numbers
The prime factorization of 71388925 is 5 × 5 × 2855557.
Since it has a total of 3 prime factors.
7 , 9 , 25 , 15 , 569 , 613 , 949 , 6428 , 18006 , 59694 , 641422 , 70657 , 9471981 , 554073 , 44360962 , 8247086 , 24006714 , 554011773 , 7744595750 , 4521150037
n×2
142777850
n×3
214166775
n×4
285555700
n×5
356944625
n÷2
35694462.5
n÷3
23796308.333333
n÷3
17847231.25
n÷5
14277785
n2
5096378612655625
n3
3.6382499055048E+23
n4
2.5973074963534E+31
n5
1.8541899005911E+39
2 √n
8449.1967073799
3 √n
414.83648660622
4 √n
91.919512114567
5 √n
37.215697967726
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388925 can be divided by 6 positive divisors.
The sum of these divisors (counting 71388925) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100010000010100111011111101
3
Ternary
11222022221012021
4
Quaternary
10100110323331
5
Quinary
121233421200
6
Senary
11030040141
8
Octal
420247375
10
Decimal
71388925
12
Duodecimal
1baa9051
16
Hexadecimal
4414efd
20
Vigesimal
1263c65
36
Base36
16i41p
md5
2c1156dec9b22e7713d6c0e68bbbdafc
sha1
18ede66fd756e4eae6d0aee0b9216722112d9b12
sha256
82a68b88a212dadb337ef3b92e3cb140c2c98796a9d03bc1643d4e80e05f92c7
sha512
e0975bcec1d1537fd869d5c40bd597813d8cef227d0dbb85ec0ffb6bf991a9927b0d46df2c34bd1401c2853ba20e41b831dfdabb0a7dc547768f3497a60b6a3e
ripemd-160
dd7c05dd64c34a1c8d32cb70ead99f58608b5471
Diameter
142777850
Circumference
448549844.65535
Area
1.6010745609431E+16
Volume
1.5239865566743E+24
Surface area
6.4042982437724E+16
Circumference
448549844.65535
Perimeter
285555700
Area
5096378612655625
Diagonal
100959185.93824
Surface area
30578271675933750
Volume
3.6382499055048E+23
Space diagonal
123649245.19772
Perimeter
214166775
Area
2.2067966729317E+15
Altitude
61824622.598862
Surface area
2.2067966729317E+15
Volume
4.2877186330562E+22
Height
33653061.979412