81662364 is an even 8-digits composite number following 81662363
and preceding 81662365 . In scientific notation, it is written as 8.1662364 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 23094720 positive integers (up to 81662364) that are relatively prime to 81662364.
81662364 has 24 divisors, whose sum is 190765568
The reverse of 81662364 is 46326618
Previous prime number is 6867
Is Prime? no Number parity even Number length 8 Sum of Digits 36 Digital Root 9
Name
eighty-one million six hundred sixty-two thousand three hundred sixty-four
Scientific notation
8.1662364 × 10^7
Engineering notation
8.1662364 × 10^6
Prime Factorization
2 × 2 × 3 × 6867 × 991
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
40831182 Product of the distinct prime numbers
The prime factorization of 81662364 is 2 × 2 × 3 × 6867 × 991.
Since it has a total of 5 prime factors.
7 , 3 , 97 , 31 , 690 , 725 , 9511 , 605 , 79118 , 14614 , 857683 , 370 , 7565475 , 8573627 , 93447920 , 88499117 , 655085797 , 362889095 , 3219444062 , 6199736378
n×2
163324728
n×3
244987092
n×4
326649456
n×5
408311820
n÷2
40831182
n÷3
27220788
n÷3
20415591
n÷5
16332472.8
n2
6668741694068496
n3
5.44585211643E+23
n4
4.4472115782208E+31
n5
3.6316981068568E+39
2 √n9036.7230786386
3 √n433.85104645038
4 √n95.061680390358
5 √n38.230008060392
1 , 2 , 3 , 4 , 6 , 12 , 991 , 1982 , 2973 , 3964 , 5946 , 6867 , 11892 , 13734 , 20601 , 27468 , 41202 , 82404 , 6805197 , 13610394 , 20415591 , 27220788 , 40831182 , 81662364
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-81662363 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81662364 can be divided by 24 positive divisors.
The sum of these divisors (counting 81662364) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111100001000110011100
3
Ternary
12200122212201000
4
Quaternary
10313201012130
5
Quinary
131401143424
6
Senary
12034150300
8
Octal
467410634
10
Decimal
81662364
12
Duodecimal
23422390
16
Hexadecimal
4de119c
20
Vigesimal
15a7fi4
36
Base36
1cmb30
md5
a812732be823bfab6283d50d36a9efbc
sha1
16419735500651e339b34c90250908f49186791c
sha256
c2b21f7bd504d508fd631f4b6ccd62e8de965656fedfdf22237b082313529dd0
sha512
3d8bc7bbb9c6cb9daf4fd2e9906ecdbed695fbcdf45f6fff0cd9390cd8a767c58c0fdc20a9c5768a8f3643f2009f4cfe4b016f2b045e864e072ca466dfe4bfe5
ripemd-160
a077e83f237414a1dfb18ea5d569d0db0074d4f5
Diameter
163324728
Circumference
513099765.63435
Area
2.0950469914774E+16
Volume
2.2811532002017E+24
Surface area
8.3801879659094E+16
Circumference
513099765.63435
Perimeter
326649456
Area
6668741694068496
Diagonal
115488022.70425
Surface area
40012450164410976
Volume
5.44585211643E+23
Space diagonal
141443363.51418
Perimeter
244987092
Area
2.8876498591699E+15
Altitude
70721681.757092
Surface area
2.8876498591699E+15
Volume
6.4179982681113E+22
Height
38496007.568083