71781290 is an even 8-digits composite number following 71781289
and preceding 71781291 . In scientific notation, it is written as 7.1781290 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors.
There are 24482304 positive integers (up to 71781290) that are relatively prime to 71781290.
71781290 has 32 divisors, whose sum is 148435200
The reverse of 71781290 is 09218717
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million seven hundred eighty-one thousand two hundred ninety
Scientific notation
7.1781290 × 10^7
Engineering notation
7.1781290 × 10^6
Prime Factorization
2 × 7 × 5 × 199 × 5153
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71781290
Product of the distinct prime numbers
The prime factorization of 71781290 is 2 × 7 × 5 × 199 × 5153.
Since it has a total of 5 prime factors.
1 , 3 , 24 , 67 , 12 , 225 , 8525 , 9721 , 76499 , 87935 , 480006 , 945432 , 2570809 , 1594937 , 51959540 , 41111202 , 886076443 , 276210483 , 4866158106 , 5925311366
n×2
143562580
n×3
215343870
n×4
287125160
n×5
358906450
n÷2
35890645
n÷3
23927096.666667
n÷3
17945322.5
n÷5
14356258
n2
5152553594064100
n3
3.6985694377606E+23
n4
2.6548808539703E+31
n5
1.9057077249429E+39
2 √n
8472.3839620263
3 √n
415.59510113374
4 √n
92.045553733063
5 √n
37.256517017779
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 199 , 398 , 995 , 1393 , 1990 , 2786 , 5153 , 6965 , 10306 , 13930 , 25765 , 36071 , 51530 , 72142 , 180355 , 360710 , 1025447 , 2050894 , 5127235 , 7178129 , 10254470 , 14356258 , 35890645 , 71781290
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
-71781289
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 71781290 can be divided by 32 positive divisors.
The sum of these divisors (counting 71781290) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010001110100101110101010
3
Ternary
12000001212102022
4
Quaternary
10101310232222
5
Quinary
121334000130
6
Senary
11042304442
8
Octal
421645652
10
Decimal
71781290
12
Duodecimal
20058122
16
Hexadecimal
4474baa
20
Vigesimal
128cd4a
36
Base36
16qisq
md5
5057ed190a852475480be791c7569dd6
sha1
3af5515ea7a93d127edc067126a82226fc7ee367
sha256
74f74ecbc27b2140631645fa05136243248862bab2bdae5d74455e796c4c2bac
sha512
4efa87c85f9ba3844fdecf5d47d373ee6ab5c1bfbbe7696f87682e0fbd7b24c34a982bd24a6c150cdfde4d3adada6984f74eb4fe9739f24743edda49656e7abd
ripemd-160
7c975df4d74108b8099cb87ac902d5bbf50162c7
Diameter
143562580
Circumference
451015146.6584
Area
1.6187224518339E+16
Volume
1.5492531432614E+24
Surface area
6.4748898073358E+16
Circumference
451015146.6584
Perimeter
287125160
Area
5152553594064100
Diagonal
101514073.84264
Surface area
30915321564384600
Volume
3.6985694377606E+23
Space diagonal
124328841.31284
Perimeter
215343870
Area
2.2311211534102E+15
Altitude
62164420.656418
Surface area
2.2311211534102E+15
Volume
4.3588058835497E+22
Height
33838024.614212