81717070 is an even 8-digits composite number following 81717069
and preceding 81717071 . In scientific notation, it is written as 8.1717070 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 31559584 positive integers (up to 81717070) that are relatively prime to 81717070.
81717070 has 16 divisors, whose sum is 152163360
The reverse of 81717070 is 07071718
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million seven hundred seventeen thousand seventy
Scientific notation
8.1717070 × 10^7
Engineering notation
8.1717070 × 10^6
Prime Factorization
2 × 29 × 5 × 281783
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81717070
Product of the distinct prime numbers
The prime factorization of 81717070 is 2 × 29 × 5 × 281783.
Since it has a total of 4 prime factors.
10 , 5 , 60 , 91 , 49 , 475 , 5831 , 7621 , 64938 , 54135 , 534505 , 559165 , 5626982 , 2416282 , 10693416 , 37400068 , 278997625 , 251602791 , 5295239510 , 2048367116
n×2
163434140
n×3
245151210
n×4
326868280
n×5
408585350
n÷2
40858535
n÷3
27239023.333333
n÷3
20429267.5
n÷5
16343414
n2
6677679529384900
n3
5.4568040554031E+23
n4
4.4591403897166E+31
n5
3.643878873663E+39
2 √n
9039.7494434304
3 √n
433.94790444085
4 √n
95.077596958644
5 √n
38.235128780697
1 , 2 , 5 , 10 , 29 , 58 , 145 , 290 , 281783 , 563566 , 1408915 , 2817830 , 8171707 , 16343414 , 40858535 , 81717070
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
-81717069
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 81717070 can be divided by 16 positive divisors.
The sum of these divisors (counting 81717070) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111101110011101001110
3
Ternary
12200202122202011
4
Quaternary
10313232131032
5
Quinary
131404421240
6
Senary
12035251434
8
Octal
467563516
10
Decimal
81717070
12
Duodecimal
23449b7a
16
Hexadecimal
4dee74e
20
Vigesimal
15aecda
36
Base36
1cnham
md5
21bfd1ee28d874143122ea4ce52c6def
sha1
f7f20cf25283c6195b0f9760da776fb490d84dc5
sha256
121b925ac7f261407184b50761b4e1969d1ad35a1d71bf7880c5d11b103aafef
sha512
03c782e8b512be01fcb153dbd5e754c6104d5d24165795b0806ebeb8111184f5b6fa8bb70785c748cc656260bc5404adc52a95962f7864b668e200f02097ed20
ripemd-160
87ce1c3d02c93f5edfa7822c0b977405cfd75a6d
Diameter
163434140
Circumference
513443493.56977
Area
2.0978548952543E+16
Volume
2.2857407376711E+24
Surface area
8.391419581017E+16
Circumference
513443493.56977
Perimeter
326868280
Area
6677679529384900
Diagonal
115565388.67139
Surface area
40066077176309400
Volume
5.4568040554031E+23
Space diagonal
141538117.08566
Perimeter
245151210
Area
2.8915200553893E+15
Altitude
70769058.542831
Surface area
2.8915200553893E+15
Volume
6.4309052519697E+22
Height
38521796.223797