71397388 is an even 8-digits composite number following 71397387
and preceding 71397389 . In scientific notation, it is written as 7.1397388 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 35679600 positive integers (up to 71397388) that are relatively prime to 71397388.
71397388 has 12 divisors, whose sum is 125012272
The reverse of 71397388 is 88379317
Previous prime number is 2551
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-one million three hundred ninety-seven thousand three hundred eighty-eight
Scientific notation
7.1397388 × 10^7
Engineering notation
7.1397388 × 10^6
Prime Factorization
2 × 2 × 2551 × 6997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35698694
Product of the distinct prime numbers
The prime factorization of 71397388 is 2 × 2 × 2551 × 6997.
Since it has a total of 4 prime factors.
10 , 7 , 61 , 4 , 309 , 269 , 564 , 5750 , 60658 , 29371 , 855391 , 260624 , 6175276 , 2247756 , 71372081 , 62226865 , 164156057 , 589310055 , 7948847827 , 1046930418
n×2
142794776
n×3
214192164
n×4
285589552
n×5
356986940
n÷2
35698694
n÷3
23799129.333333
n÷3
17849347
n÷5
14279477.6
n2
5097587013222544
n3
3.6395439784681E+23
n4
2.5985393357375E+31
n5
1.8552892118691E+39
2 √n
8449.6975093787
3 √n
414.85287860943
4 √n
91.922236207452
5 √n
37.216580293711
1 , 2 , 4 , 2551 , 5102 , 6997 , 10204 , 13994 , 27988 , 17849347 , 35698694 , 71397388
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71397387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71397388 can be divided by 12 positive divisors.
The sum of these divisors (counting 71397388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010000010111000000001100
3
Ternary
11222100100210201
4
Quaternary
10100113000030
5
Quinary
121234204023
6
Senary
11030143244
8
Octal
420270014
10
Decimal
71397388
12
Duodecimal
1bab1b24
16
Hexadecimal
441700c
20
Vigesimal
1264d98
36
Base36
16iaks
md5
64f52ce10b1b2402ba7779c166b81460
sha1
fd499c70326547f9755c91f9d15b148fb8e2515a
sha256
a6f79d30a5c876f691fa8b319c9c50958c772a9b2c70f51305029ab86aa8f40c
sha512
470016fd5cea98f8fd55f3ec4639582b2e155bc926d06054b1bffa338109a5dacb6f35db2104c511e4971450fbda5fa4b9f4e9755b8e556297b1adfc497f9030
ripemd-160
8e1992a453efb2cbc012b29200c97a476ca52cf2
Diameter
142794776
Circumference
448603019.2526
Area
1.6014541911775E+16
Volume
1.5245286166897E+24
Surface area
6.4058167647099E+16
Circumference
448603019.2526
Perimeter
285589552
Area
5097587013222544
Diagonal
100971154.42761
Surface area
30585522079335264
Volume
3.6395439784681E+23
Space diagonal
123663903.54371
Perimeter
214192164
Area
2.2073199257262E+15
Altitude
61831951.771854
Surface area
2.2073199257262E+15
Volume
4.2892437126691E+22
Height
33657051.475871