71397390 is an even 8-digits composite number following 71397389
and preceding 71397391 . In scientific notation, it is written as 7.1397390 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 18990720 positive integers (up to 71397390) that are relatively prime to 71397390.
71397390 has 32 divisors, whose sum is 171791136
The reverse of 71397390 is 09379317
Previous prime number is 421
Is Prime? no Number parity even Number length 8 Sum of Digits 39 Digital Root 3
Name
seventy-one million three hundred ninety-seven thousand three hundred ninety
Scientific notation
7.1397390 × 10^7
Engineering notation
7.1397390 × 10^6
Prime Factorization
2 × 3 × 5 × 421 × 5653
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
71397390 Product of the distinct prime numbers
The prime factorization of 71397390 is 2 × 3 × 5 × 421 × 5653.
Since it has a total of 5 prime factors.
4 , 7 , 96 , 45 , 497 , 304 , 5292 , 7836 , 90306 , 10717 , 682058 , 832812 , 5533075 , 8208113 , 94832704 , 65682580 , 946656451 , 359892102 , 2826815751 , 4693291398
n×2
142794780
n×3
214192170
n×4
285589560
n×5
356986950
n÷2
35698695
n÷3
23799130
n÷3
17849347.5
n÷5
14279478
n2
5097587298812100
n3
3.6395442843233E+23
n4
2.598539626901E+31
n5
1.8552894717231E+39
2 √n8449.6976277261
3 √n414.85288248308
4 √n91.922236851189
5 √n37.216580502215
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 421 , 842 , 1263 , 2105 , 2526 , 4210 , 5653 , 6315 , 11306 , 12630 , 16959 , 28265 , 33918 , 56530 , 84795 , 169590 , 2379913 , 4759826 , 7139739 , 11899565 , 14279478 , 23799130 , 35698695 , 71397390
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-71397389 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71397390 can be divided by 32 positive divisors.
The sum of these divisors (counting 71397390) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010111000000001110
3
Ternary
11222100100210210
4
Quaternary
10100113000032
5
Quinary
121234204030
6
Senary
11030143250
8
Octal
420270016
10
Decimal
71397390
12
Duodecimal
1bab1b26
16
Hexadecimal
441700e
20
Vigesimal
1264d9a
36
Base36
16iaku
md5
3e40bf6e1184ec21d5902c17f12979d6
sha1
6ee6d72503733792cb1cbeeea3d73fb81fe985db
sha256
a2b82ad79fbc2cce46544e70738cbec4582d8951cc05d68635fca951e45d98a8
sha512
345c33a5c2b6f7546717d2bd3ddae8a53629f640b834cfcb336b72e38e6fd8d1a5af76179c13116c1841a7a5ea542efc823a325f8c200e0b5f54bf0ba7aa3937
ripemd-160
f9cc27523a94b3438c6afe739e7da07561cdee6b
Diameter
142794780
Circumference
448603031.81897
Area
1.6014542808981E+16
Volume
1.524528744806E+24
Surface area
6.4058171235923E+16
Circumference
448603031.81897
Perimeter
285589560
Area
5097587298812100
Diagonal
100971157.25604
Surface area
30585523792872600
Volume
3.6395442843233E+23
Space diagonal
123663907.00781
Perimeter
214192170
Area
2.2073200493901E+15
Altitude
61831953.503905
Surface area
2.2073200493901E+15
Volume
4.289244073123E+22
Height
33657052.41868