81354313 is an odd 8-digits composite number following 81354312
and preceding 81354314 . In scientific notation, it is written as 8.1354313 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 81332608 positive integers (up to 81354313) that are relatively prime to 81354313.
81354313 has 4 divisors, whose sum is 81376020
The reverse of 81354313 is 31345318
Previous prime number is 4817
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million three hundred fifty-four thousand three hundred thirteen
Scientific notation
8.1354313 × 10^7
Engineering notation
8.1354313 × 10^6
Prime Factorization
4817 × 16889
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81354313
Product of the distinct prime numbers
The prime factorization of 81354313 is 4817 × 16889.
Since it has a total of 2 prime factors.
8 , 5 , 69 , 95 , 318 , 224 , 9445 , 2258 , 4910 , 87708 , 322010 , 352284 , 1123727 , 7897449 , 27294096 , 17433382 , 268503839 , 357967921 , 2013676918 , 8982039881
n×2
162708626
n×3
244062939
n×4
325417252
n×5
406771565
n÷2
40677156.5
n÷3
27118104.333333
n÷3
20338578.25
n÷5
16270862.6
n2
6618524243701969
n3
5.3844549292022E+23
n4
4.3804863164471E+31
n5
3.5637145488045E+39
2 √n
9019.6625768373
3 √n
433.30482725039
4 √n
94.971904144528
5 √n
38.20112179756
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
-81354312
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 81354313 can be divided by 4 positive divisors.
The sum of these divisors (counting 81354313) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110010101111001001001
3
Ternary
12200002020010201
4
Quaternary
10312111321021
5
Quinary
131311314223
6
Senary
12023412201
8
Octal
466257111
10
Decimal
81354313
12
Duodecimal
232b4061
16
Hexadecimal
4d95e49
20
Vigesimal
15895fd
36
Base36
1cfpe1
md5
b3d813a1b94e2060d7f534b5410ecef7
sha1
d4ad14a3facadf6e128774b2fe02eabc251c2bb6
sha256
a6a31659b27a2252d1aa72c961e7676b9612dbafddff4351e5b70712f03cbf22
sha512
348eea04ec94214757347a6d267ec927e89f611b667a7960605671738dd4d132cbb8b5b97ce78315f68b52de5d1e7318cd263f6cfa75acdb2e711564c2c4cbcb
ripemd-160
592e2358cf5c44b7663cdc624c3a8409bf340d51
Diameter
162708626
Circumference
511164224.11729
Area
2.079270714162E+16
Volume
2.2554352065556E+24
Surface area
8.317082856648E+16
Circumference
511164224.11729
Perimeter
325417252
Area
6618524243701969
Diagonal
115052372.80215
Surface area
39711145462211814
Volume
5.3844549292022E+23
Space diagonal
140909803.53086
Perimeter
244062939
Area
2.8659050653045E+15
Altitude
70454901.765431
Surface area
2.8659050653045E+15
Volume
6.3456409890537E+22
Height
38350790.934049