71397389 is an odd 8-digits composite number following 71397388
and preceding 71397390 . In scientific notation, it is written as 7.1397389 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 59875200 positive integers (up to 71397389) that are relatively prime to 71397389.
71397389 has 16 divisors, whose sum is 83375616
The reverse of 71397389 is 98379317
Previous prime number is 617
Is Prime? no Number parity odd Number length 8 Sum of Digits 47 Digital Root 2
Name
seventy-one million three hundred ninety-seven thousand three hundred eighty-nine
Scientific notation
7.1397389 × 10^7
Engineering notation
7.1397389 × 10^6
Prime Factorization
7 × 61 × 617 × 271
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
71397389 Product of the distinct prime numbers
The prime factorization of 71397389 is 7 × 61 × 617 × 271.
Since it has a total of 4 prime factors.
1 , 2 , 76 , 15 , 109 , 933 , 7483 , 2244 , 79115 , 27301 , 744458 , 564116 , 7738887 , 4109001 , 41044038 , 10668922 , 81220386 , 541009461 , 7518644622 , 9410825237
n×2
142794778
n×3
214192167
n×4
285589556
n×5
356986945
n÷2
35698694.5
n÷3
23799129.666667
n÷3
17849347.25
n÷5
14279477.8
n2
5097587156017321
n3
3.6395441313957E+23
n4
2.5985394813193E+31
n5
1.8552893417961E+39
2 √n8449.6975685524
3 √n414.85288054626
4 √n91.922236529321
5 √n37.216580397963
1 , 7 , 61 , 271 , 427 , 617 , 1897 , 4319 , 16531 , 37637 , 115717 , 167207 , 263459 , 1170449 , 10199627 , 71397389
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
-71397388 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 71397389 can be divided by 16 positive divisors.
The sum of these divisors (counting 71397389) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010111000000001101
3
Ternary
11222100100210202
4
Quaternary
10100113000031
5
Quinary
121234204024
6
Senary
11030143245
8
Octal
420270015
10
Decimal
71397389
12
Duodecimal
1bab1b25
16
Hexadecimal
441700d
20
Vigesimal
1264d99
36
Base36
16iakt
md5
82a83e079d57ff2073f326b574208455
sha1
3f57ebdd5c722edaf25f9038a5910e9b148c515b
sha256
451e64f54473506626873d33cab0976d1286f918d1cd5a8e92ace63f5f5500a7
sha512
8f64b361ee026809d8aae168e956f25f1c9b4e1533dc0e7ae124ebc9683c3f6c041aa3d6d758692822130273f3df66c9cb88b285b0d069586f9c7b68042248f3
ripemd-160
1017fe03fb1bbf6a9200c0dbdf569ebc37ef0695
Diameter
142794778
Circumference
448603025.53579
Area
1.6014542360378E+16
Volume
1.5245286807478E+24
Surface area
6.4058169441511E+16
Circumference
448603025.53579
Perimeter
285589556
Area
5097587156017321
Diagonal
100971155.84183
Surface area
30585522936103926
Volume
3.6395441313957E+23
Space diagonal
123663905.27576
Perimeter
214192167
Area
2.2073199875581E+15
Altitude
61831952.63788
Surface area
2.2073199875581E+15
Volume
4.289243892896E+22
Height
33657051.947276