81650345 is an odd 8-digits composite number following 81650344
and preceding 81650346 . In scientific notation, it is written as 8.1650345 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 53553984 positive integers (up to 81650345) that are relatively prime to 81650345.
81650345 has 8 divisors, whose sum is 87635520
The reverse of 81650345 is 54305618
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million six hundred fifty thousand three hundred forty-five
Scientific notation
8.1650345 × 10^7
Engineering notation
8.1650345 × 10^6
Prime Factorization
35 × 23 × 101429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81650345
Product of the distinct prime numbers
The prime factorization of 81650345 is 35 × 23 × 101429.
Since it has a total of 3 prime factors.
5 , 4 , 16 , 91 , 534 , 768 , 3634 , 5080 , 8392 , 17366 , 15779 , 757375 , 2109355 , 2320951 , 80614440 , 90887709 , 225807 , 664399540 , 2003382904 , 1161531730
n×2
163300690
n×3
244951035
n×4
326601380
n×5
408251725
n÷2
40825172.5
n÷3
27216781.666667
n÷3
20412586.25
n÷5
16330069
n2
6666778838619025
n3
5.4434479221194E+23
n4
4.4445940083058E+31
n5
3.629026341631E+39
2 √n
9036.058045409
3 √n
433.82976079192
4 √n
95.058182422183
5 √n
38.228882661866
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81650344
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81650345 can be divided by 8 positive divisors.
The sum of these divisors (counting 81650345) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111011110001010101001
3
Ternary
12200122021012212
4
Quaternary
10313132022221
5
Quinary
131400302340
6
Senary
12034014505
8
Octal
467361251
10
Decimal
81650345
12
Duodecimal
23417435
16
Hexadecimal
4dde2a9
20
Vigesimal
15a65h5
36
Base36
1cm1t5
md5
ee8d7bc3255ba7bf35ba70a16efe4693
sha1
944f0f5d56eec9ba69e2f206bf3b485e597f931a
sha256
7843a71def23c11f6543763b46fc3d79b7dc2586f3456d569388edaf2a5ed5f4
sha512
25f39ba8144acf7185a460a10011397b8c12892c906c6cb2b5833bc09c54e9f1aafb40638e4517d244440fedf6af378cea9daa73c1608da9b5ba7c007d756352
ripemd-160
45a7b2784addb1bf96dd00b4838799fa0ca34849
Diameter
163300690
Circumference
513024248.03014
Area
2.0944303422513E+16
Volume
2.2801461336439E+24
Surface area
8.3777213690054E+16
Circumference
513024248.03014
Perimeter
326601380
Area
6666778838619025
Diagonal
115471025.27144
Surface area
40000673031714150
Volume
5.4434479221194E+23
Space diagonal
141422545.99553
Perimeter
244951035
Area
2.8867999178283E+15
Altitude
70711272.997764
Surface area
2.8867999178283E+15
Volume
6.4151648979441E+22
Height
38490341.757147