71379821 is an odd 8-digits composite number following 71379820
and preceding 71379822 . In scientific notation, it is written as 7.1379821 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 66063360 positive integers (up to 71379821) that are relatively prime to 71379821.
71379821 has 12 divisors, whose sum is 77087700
The reverse of 71379821 is 12897317
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million three hundred seventy-nine thousand eight hundred twenty-one
Scientific notation
7.1379821 × 10^7
Engineering notation
7.1379821 × 10^6
Prime Factorization
61 × 17 × 17 × 4049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4198813
Product of the distinct prime numbers
The prime factorization of 71379821 is 61 × 17 × 17 × 4049.
Since it has a total of 4 prime factors.
8 , 6 , 58 , 79 , 727 , 453 , 7131 , 108 , 68110 , 11217 , 561352 , 238734 , 2551483 , 286252 , 17646021 , 48504879 , 609638896 , 329683382 , 9367406473 , 1245426131
n×2
142759642
n×3
214139463
n×4
285519284
n×5
356899105
n÷2
35689910.5
n÷3
23793273.666667
n÷3
17844955.25
n÷5
14275964.2
n2
5095078845992041
n3
3.636858160078E+23
n4
2.5959828446876E+31
n5
1.8530079077287E+39
2 √n
8448.657940762
3 √n
414.81885160225
4 √n
91.916581424474
5 √n
37.21474871965
1 , 17 , 61 , 289 , 1037 , 4049 , 17629 , 68833 , 246989 , 1170161 , 4198813 , 71379821
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
-71379820
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 71379821 can be divided by 12 positive divisors.
The sum of these divisors (counting 71379821) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010000010010101101101101
3
Ternary
11222022110201002
4
Quaternary
10100102231231
5
Quinary
121233123241
6
Senary
11025530045
8
Octal
420225555
10
Decimal
71379821
12
Duodecimal
1baa3925
16
Hexadecimal
4412b6d
20
Vigesimal
12629b1
36
Base36
16hx0t
md5
26b6c0251735a415feb6081125fdab05
sha1
abed00ac0d77fd131433b4efd821942b56f523b4
sha256
4935b1a75acf1d58528065db8fca9aae323ee183d8facac9d1b38c7ed06dac4f
sha512
59bc02bf96cc8cf14971cbe501a7d1b16ee42baee92b7aee7c97d7cb7609e9ec76a20e21e2178cc1b1c2da7dcb378679395aab1db685d515c567122984e61729
ripemd-160
e0699bbde25870444d5039ef7378f29c832175ad
Diameter
142759642
Circumference
448492642.53631
Area
1.6006662272029E+16
Volume
1.5234035837132E+24
Surface area
6.4026649088117E+16
Circumference
448492642.53631
Perimeter
285519284
Area
5095078845992041
Diagonal
100946310.93796
Surface area
30570473075952246
Volume
3.636858160078E+23
Space diagonal
123633476.60717
Perimeter
214139463
Area
2.2062338574569E+15
Altitude
61816738.303586
Surface area
2.2062338574569E+15
Volume
4.2860784453413E+22
Height
33648770.312655