814642721 is an odd 9-digits composite number following 814642720
and preceding 814642722 . In scientific notation, it is written as 8.14642721 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 799682400 positive integers (up to 814642721) that are relatively prime to 814642721.
814642721 has 8 divisors, whose sum is 829735200
The reverse of 814642721 is 127246418
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
eight hundred fourteen million six hundred forty-two thousand seven hundred twenty-one
Scientific notation
8.14642721 × 10^8
Engineering notation
8.14642721 × 10^6
Prime Factorization
89 × 139 × 65851
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
814642721
Product of the distinct prime numbers
The prime factorization of 814642721 is 89 × 139 × 65851.
Since it has a total of 3 prime factors.
5 , 8 , 5 , 27 , 710 , 136 , 9470 , 3021 , 43257 , 58900 , 482074 , 618919 , 7289426 , 8802221 , 94183406 , 34623242 , 124244914 , 868686969 , 4390478792 , 8790049418
n×2
1629285442
n×3
2443928163
n×4
3258570884
n×5
4073213605
n÷2
407321360.5
n÷3
271547573.66667
n÷3
203660680.25
n÷5
162928544.2
n2
663642762878283841
n3
5.4063174612312E+26
n4
4.4042171672072E+35
n5
3.5878634569686E+44
2 √n
28541.946692544
3 √n
933.9473491834
4 √n
168.94361986338
5 √n
60.561055573655
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
-814642720
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 814642721 can be divided by 8 positive divisors.
The sum of these divisors (counting 814642721) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000100011100111011000100001
3
Ternary
2002202220010201122
4
Quaternary
300203213120201
5
Quinary
3132022031341
6
Senary
212500342025
8
Octal
6043473041
10
Decimal
814642721
12
Duodecimal
1a89a4915
16
Hexadecimal
308e7621
20
Vigesimal
ceba6g1
36
Base36
dh0mch
md5
579172665896fa8cc71fb51e39928ef9
sha1
cfc8d4de7aa1a62886e06a7dbbcec738b7998ce3
sha256
dfdf7281d16eb804b9e7781fff463db73338a2447c58a9e98d704c4952d50dbf
sha512
8f8681ff49a1350252287aac17b9be2b21dbd42bfd6e43cba5defcc1fde1dba5d3d81d46ea0a2c0bd95accbc2bd4b5f1998dc90de7c9ee592fdf8c1f0a5b18f8
ripemd-160
7a4f90c43e263a152755abfbcd3dcbba255237c1
Diameter
1629285442
Circumference
5118551175.188
Area
2.0848952284664E+18
Volume
2.2645929625571E+27
Surface area
8.3395809138658E+18
Circumference
5118551175.188
Perimeter
3258570884
Area
663642762878283841
Diagonal
1152078784.5267
Surface area
3981856577269703046
Volume
5.4063174612312E+26
Space diagonal
1411002582.7882
Perimeter
2443928163
Area
2.8736574584514E+17
Altitude
705501291.39408
Surface area
2.8736574584514E+17
Volume
6.3714062301397E+25
Height
384026261.50891