71389731 is an odd 8-digits composite number following 71389730
and preceding 71389732 . In scientific notation, it is written as 7.1389731 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 40686624 positive integers (up to 71389731) that are relatively prime to 71389731.
71389731 has 16 divisors, whose sum is 109071104
The reverse of 71389731 is 13798317
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred eighty-nine thousand seven hundred thirty-one
Scientific notation
7.1389731 × 10^7
Engineering notation
7.1389731 × 10^6
Prime Factorization
3 × 7 × 397 × 8563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71389731
Product of the distinct prime numbers
The prime factorization of 71389731 is 3 × 7 × 397 × 8563.
Since it has a total of 4 prime factors.
7 , 2 , 70 , 8 , 262 , 534 , 2504 , 2950 , 17354 , 27626 , 555768 , 812182 , 2747159 , 7200124 , 61344016 , 58346332 , 970897765 , 377483356 , 6137559831 , 4702364529
n×2
142779462
n×3
214169193
n×4
285558924
n×5
356948655
n÷2
35694865.5
n÷3
23796577
n÷3
17847432.75
n÷5
14277946.2
n2
5096493692252361
n3
3.6383731373309E+23
n4
2.5974247955168E+31
n5
1.8542945744468E+39
2 √n
8449.2444040873
3 √n
414.83804780519
4 √n
91.919771562419
5 √n
37.215782002377
1 , 3 , 7 , 21 , 397 , 1191 , 2779 , 8337 , 8563 , 25689 , 59941 , 179823 , 3399511 , 10198533 , 23796577 , 71389731
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
-71389730
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 71389731 can be divided by 16 positive divisors.
The sum of these divisors (counting 71389731) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010101001000100011
3
Ternary
11222022222022010
4
Quaternary
10100111020203
5
Quinary
121233432411
6
Senary
11030044003
8
Octal
420251043
10
Decimal
71389731
12
Duodecimal
1baa9603
16
Hexadecimal
4415223
20
Vigesimal
1263e6b
36
Base36
16i4o3
md5
dfb39bdf9ec423a574d1fab943ae3f76
sha1
c2b6430c248a3fe216a5952e3e0d7627f01f244d
sha256
e5385d6fa12464043305fc6ae4566cc36570f003cc810de71e8748cd6d5dc26e
sha512
0f80e2793d69bd8851bb3c73dae32f390f64ea638297695a7e254d013a01071d6851a7b6ad7bcb13c0dffe7b7466b644db6b213b56a8e4fcf068506ba90147c7
ripemd-160
c33faa79e415b08c9f3134c3a5b5e36974147f7f
Diameter
142779462
Circumference
448554908.9027
Area
1.6011107142647E+16
Volume
1.524038175901E+24
Surface area
6.4044428570587E+16
Circumference
448554908.9027
Perimeter
285558924
Area
5096493692252361
Diagonal
100960325.79437
Surface area
30578962153514166
Volume
3.6383731373309E+23
Space diagonal
123650641.23067
Perimeter
214169193
Area
2.2068465038588E+15
Altitude
61825320.615337
Surface area
2.2068465038588E+15
Volume
4.2878638631561E+22
Height
33653441.931456