81963670 is an even 8-digits composite number following 81963669
and preceding 81963671 . In scientific notation, it is written as 8.1963670 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 32336064 positive integers (up to 81963670) that are relatively prime to 81963670.
81963670 has 16 divisors, whose sum is 149556960
The reverse of 81963670 is 07636918
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million nine hundred sixty-three thousand six hundred seventy
Scientific notation
8.1963670 × 10^7
Engineering notation
8.1963670 × 10^6
Prime Factorization
2 × 5 × 73 × 112279
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81963670
Product of the distinct prime numbers
The prime factorization of 81963670 is 2 × 5 × 73 × 112279.
Since it has a total of 4 prime factors.
6 , 3 , 87 , 71 , 546 , 719 , 4975 , 2529 , 91306 , 4031 , 573297 , 524421 , 9236210 , 4248248 , 93759516 , 79993957 , 770004156 , 76366375 , 5780789527 , 8746154468
n×2
163927340
n×3
245891010
n×4
327854680
n×5
409818350
n÷2
40981835
n÷3
27321223.333333
n÷3
20490917.5
n÷5
16392734
n2
6718043199868900
n3
5.506354758798E+23
n4
4.5132104435305E+31
n5
3.6991929143409E+39
2 √n
9053.3789272293
3 √n
434.38397852497
4 √n
95.149245542092
5 √n
38.258177629404
1 , 2 , 5 , 10 , 73 , 146 , 365 , 730 , 112279 , 224558 , 561395 , 1122790 , 8196367 , 16392734 , 40981835 , 81963670
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
-81963669
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 81963670 can be divided by 16 positive divisors.
The sum of these divisors (counting 81963670) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000101010101010010110
3
Ternary
12201020012000111
4
Quaternary
10320222222112
5
Quinary
131440314140
6
Senary
12044433234
8
Octal
470525226
10
Decimal
81963670
12
Duodecimal
2354881a
16
Hexadecimal
4e2aa96
20
Vigesimal
15c593a
36
Base36
1csrkm
md5
cc57984e08e4068355c7e9991d3de1c5
sha1
7a72661b739717d060b3debcf3c6499fd42ac935
sha256
20e360d2a43b7e1d916879bdee61bb52481b7c14f938e5923abb2a40fbbe2159
sha512
8689e1f76623c02abd071d77dc40f57f43b351bd1f84571d58b626538617d0b21a241766136483577c7aaa3259e38ef3b2a1cf851fcb77d74268abf50b8071a6
ripemd-160
71cae36de970a44f2fe3b5ca25bdd1ca82f50e24
Diameter
163927340
Circumference
514992927.06652
Area
2.1105355163207E+16
Volume
2.3064964877732E+24
Surface area
8.4421420652828E+16
Circumference
514992927.06652
Perimeter
327854680
Area
6718043199868900
Diagonal
115914133.73587
Surface area
40308259199213400
Volume
5.506354758798E+23
Space diagonal
141965240.81481
Perimeter
245891010
Area
2.9089980374039E+15
Altitude
70982620.407404
Surface area
2.9089980374039E+15
Volume
6.4893013159415E+22
Height
38638044.578624