814885721 is an odd 9-digits composite number following 814885720
and preceding 814885722 . In scientific notation, it is written as 8.14885721 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 746259696 positive integers (up to 814885721) that are relatively prime to 814885721.
814885721 has 12 divisors, whose sum is 889362432
The reverse of 814885721 is 127588418
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
eight hundred fourteen million eight hundred eighty-five thousand seven hundred twenty-one
Scientific notation
8.14885721 × 10^8
Engineering notation
8.14885721 × 10^6
Prime Factorization
13 × 13 × 127 × 37967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
62683517
Product of the distinct prime numbers
The prime factorization of 814885721 is 13 × 13 × 127 × 37967.
Since it has a total of 4 prime factors.
5 , 3 , 2 , 62 , 143 , 82 , 5412 , 804 , 77427 , 39628 , 104640 , 193690 , 1240540 , 6767037 , 8213032 , 40515756 , 922602267 , 256703195 , 5411193891 , 6021407939
n×2
1629771442
n×3
2444657163
n×4
3259542884
n×5
4074428605
n÷2
407442860.5
n÷3
271628573.66667
n÷3
203721430.25
n÷5
162977144.2
n2
664038738289689841
n3
5.4111568602312E+26
n4
4.4094744594936E+35
n5
3.5932177741556E+44
2 √n
28546.203267685
3 √n
934.04020242166
4 √n
168.95621701401
5 √n
60.564668097414
1 , 13 , 127 , 169 , 1651 , 21463 , 37967 , 493571 , 4821809 , 6416423 , 62683517 , 814885721
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-814885720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 814885721 can be divided by 12 positive divisors.
The sum of these divisors (counting 814885721) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000100100100010101101011001
3
Ternary
2002210100111001122
4
Quaternary
300210202231121
5
Quinary
3132102320341
6
Senary
212505455025
8
Octal
6044425531
10
Decimal
814885721
12
Duodecimal
1a8aa1475
16
Hexadecimal
30922b59
20
Vigesimal
ced0e61
36
Base36
dh5tuh
md5
6f9278f5de793cf8e9e5dca96525c4a0
sha1
9225686d6d02c4cf4dd1574becbff91e74053ff9
sha256
780b06354f4317901a3811a60cfea60ca1f1cb05713cd7094520ecc51f8a4ef7
sha512
be6e1add8679d66cf4295c86a90e33df5d11c514b2afed4327c646a7d48e6cb12aa9c4d1921c80f35b08c6485412af4b968fce99b495d32ec046d042a158c75f
ripemd-160
f40087cacb305987898ad57e63c7a240821db969
Diameter
1629771442
Circumference
5120077989.2176
Area
2.0861392219099E+18
Volume
2.2666200852699E+27
Surface area
8.3445568876397E+18
Circumference
5120077989.2176
Perimeter
3259542884
Area
664038738289689841
Diagonal
1152422438.4224
Surface area
3984232429738139046
Volume
5.4111568602312E+26
Space diagonal
1411423471.1344
Perimeter
2444657163
Area
2.8753720822792E+17
Altitude
705711735.5672
Surface area
2.8753720822792E+17
Volume
6.377109516556E+25
Height
384140812.80746