81768223 is an odd 8-digits composite number following 81768222
and preceding 81768224 . In scientific notation, it is written as 8.1768223 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 81003928 positive integers (up to 81768223) that are relatively prime to 81768223.
81768223 has 4 divisors, whose sum is 82532520
The reverse of 81768223 is 32286718
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million seven hundred sixty-eight thousand two hundred twenty-three
Scientific notation
8.1768223 × 10^7
Engineering notation
8.1768223 × 10^6
Prime Factorization
107 × 764189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81768223
Product of the distinct prime numbers
The prime factorization of 81768223 is 107 × 764189.
Since it has a total of 2 prime factors.
8 , 3 , 97 , 21 , 602 , 135 , 8561 , 3340 , 65746 , 97507 , 38282 , 249670 , 4298380 , 6262048 , 38487900 , 64556613 , 130489239 , 107407215 , 4677241334 , 6989884234
n×2
163536446
n×3
245304669
n×4
327072892
n×5
408841115
n÷2
40884111.5
n÷3
27256074.333333
n÷3
20442055.75
n÷5
16353644.6
n2
6686042292577729
n3
5.4670579716693E+23
n4
4.4703161538138E+31
n5
3.6552980814555E+39
2 √n
9042.5783380627
3 √n
434.03843267854
4 √n
95.092472562568
5 √n
38.239914444211
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81768222
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81768223 can be divided by 4 positive divisors.
The sum of these divisors (counting 81768223) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111111010111100011111
3
Ternary
12200212020220201
4
Quaternary
10313322330133
5
Quinary
131413040343
6
Senary
12040324331
8
Octal
467727437
10
Decimal
81768223
12
Duodecimal
234736a7
16
Hexadecimal
4dfaf1f
20
Vigesimal
15b10b3
36
Base36
1cokrj
md5
f090018c8fe0c2ba6e75c47175dbe596
sha1
8944dcf1945da5c913a863d1cc412c659b1e8e00
sha256
6b7907408a5cedac4155a807902c5b7b0519df16b1963f0840b50b46f7466c2a
sha512
15d62839c443b246711be40cafec7f57110473f1f240a703c6e0584d247dc5358950d9d991df9a146c6cb3027149b5fede7e699e3991a4a946680a251c49d695
ripemd-160
88c5943db5302c90cbe6859893c8a21aa8fae8d2
Diameter
163536446
Circumference
513764897.34778
Area
2.1004821347953E+16
Volume
2.2900358880728E+24
Surface area
8.4019285391811E+16
Circumference
513764897.34778
Perimeter
327072892
Area
6686042292577729
Diagonal
115637729.93775
Surface area
40116253755466374
Volume
5.4670579716693E+23
Space diagonal
141626716.68062
Perimeter
245304669
Area
2.8951412380747E+15
Altitude
70813358.340311
Surface area
2.8951412380747E+15
Volume
6.4429896081789E+22
Height
38545909.979249