71291778 is an even 8-digits composite number following 71291777
and preceding 71291779 . In scientific notation, it is written as 7.1291778 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 22366016 positive integers (up to 71291778) that are relatively prime to 71291778.
71291778 has 16 divisors, whose sum is 150971040
The reverse of 71291778 is 87719217
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million two hundred ninety-one thousand seven hundred seventy-eight
Scientific notation
7.1291778 × 10^7
Engineering notation
7.1291778 × 10^6
Prime Factorization
2 × 3 × 17 × 698939
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71291778
Product of the distinct prime numbers
The prime factorization of 71291778 is 2 × 3 × 17 × 698939.
Since it has a total of 4 prime factors.
5 , 6 , 9 , 28 , 990 , 940 , 5087 , 2959 , 55448 , 35957 , 627038 , 719782 , 898566 , 38669 , 8890220 , 80555358 , 880996365 , 413044788 , 657402326 , 8914222395
n×2
142583556
n×3
213875334
n×4
285167112
n×5
356458890
n÷2
35645889
n÷3
23763926
n÷3
17822944.5
n÷5
14258355.6
n2
5082517610401284
n3
3.6234171716182E+23
n4
2.5831985260039E+31
n5
1.841608158458E+39
2 √n
8443.4458605477
3 √n
414.648229514
4 √n
91.888224819874
5 √n
37.205563726402
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 698939 , 1397878 , 2096817 , 4193634 , 11881963 , 23763926 , 35645889 , 71291778
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
-71291777
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 71291778 can be divided by 16 positive divisors.
The sum of these divisors (counting 71291778) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111111101001110000010
3
Ternary
11222010222221020
4
Quaternary
10033331032002
5
Quinary
121222314103
6
Senary
11024010310
8
Octal
417751602
10
Decimal
71291778
12
Duodecimal
1ba60996
16
Hexadecimal
43fd382
20
Vigesimal
125b98i
36
Base36
16g136
md5
9dea797125aa51fcbc0b2269cd59e2ce
sha1
31bf328e67e26163c08dd6e9d47640b38731f91d
sha256
f9fcdf250f28033c4a935756275c03c638289be6749d7bb022a499b9f52a2d56
sha512
c50c5ae9f1cc92d7fda4cea33286ee71c0d9381fe569e10f3cb22e44ee55e7524b4117936ed0567c3c32a8b48fe6c069aa8f08759e3f1cb9adf01de1fd6d58c3
ripemd-160
41bbe6c044f52d83b5fcf129e7b18a70d79d8359
Diameter
142583556
Circumference
447939452.05231
Area
1.5967199986577E+16
Volume
1.5177734356329E+24
Surface area
6.386879994631E+16
Circumference
447939452.05231
Perimeter
285167112
Area
5082517610401284
Diagonal
100821799.33329
Surface area
30495105662407704
Volume
3.6234171716182E+23
Space diagonal
123480981.65792
Perimeter
213875334
Area
2.2007946828946E+15
Altitude
61740490.828961
Surface area
2.2007946828946E+15
Volume
4.2702380885317E+22
Height
33607266.444431