71378721 is an odd 8-digits composite number following 71378720
and preceding 71378722 . In scientific notation, it is written as 7.1378721 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 47547864 positive integers (up to 71378721) that are relatively prime to 71378721.
71378721 has 12 divisors, whose sum is 103184848
The reverse of 71378721 is 12787317
Previous prime number is 1723
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-one million three hundred seventy-eight thousand seven hundred twenty-one
Scientific notation
7.1378721 × 10^7
Engineering notation
7.1378721 × 10^6
Prime Factorization
3 × 3 × 1723 × 4603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
23792907
Product of the distinct prime numbers
The prime factorization of 71378721 is 3 × 3 × 1723 × 4603.
Since it has a total of 4 prime factors.
1 , 2 , 83 , 9 , 260 , 965 , 6265 , 2388 , 51529 , 73095 , 934254 , 812586 , 9126238 , 2832704 , 61767987 , 8092441 , 295359440 , 281462597 , 9656714477 , 3754789552
n×2
142757442
n×3
214136163
n×4
285514884
n×5
356893605
n÷2
35689360.5
n÷3
23792907
n÷3
17844680.25
n÷5
14275744.2
n2
5094921811595841
n3
3.6366900250671E+23
n4
2.5958228266275E+31
n5
1.8528651330728E+39
2 √n
8448.5928414145
3 √n
414.81672073354
4 √n
91.9162273019
5 √n
37.214634019233
1 , 3 , 9 , 1723 , 4603 , 5169 , 13809 , 15507 , 41427 , 7930969 , 23792907 , 71378721
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
-71378720
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 71378721 can be divided by 12 positive divisors.
The sum of these divisors (counting 71378721) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010000010010011100100001
3
Ternary
11222022102012100
4
Quaternary
10100102130201
5
Quinary
121233104341
6
Senary
11025521013
8
Octal
420223441
10
Decimal
71378721
12
Duodecimal
1baa3169
16
Hexadecimal
4412721
20
Vigesimal
12626g1
36
Base36
16hw69
md5
827cbe258d4816fecd99a76768ae2d6b
sha1
5ea847505ea9ec507c970a64dec8f2ecd9d77a31
sha256
8295d2c9f64593a5232c3a6a400f8a05cd5b3fdfb3274a1bfd433c2836c50633
sha512
f8a995bac65337e281e802bd33d27c8dffc14f951be39257b7a0fcc9c2b33794186efecd18e5ba646dcda74dd6aa1239b498986f5cdde6b63fef177018a5177a
ripemd-160
86f7ccee339e1935c0ad2213c5b9dbedc72108b5
Diameter
142757442
Circumference
448485731.03247
Area
1.6006168933924E+16
Volume
1.5233331554846E+24
Surface area
6.4024675735696E+16
Circumference
448485731.03247
Perimeter
285514884
Area
5094921811595841
Diagonal
100944755.30305
Surface area
30569530869575046
Volume
3.6366900250671E+23
Space diagonal
123631571.35128
Perimeter
214136163
Area
2.2061658595687E+15
Altitude
61815785.675642
Surface area
2.2061658595687E+15
Volume
4.2858802963308E+22
Height
33648251.767682