816398428 is an even 9-digits composite number following 816398427
and preceding 816398429 . In scientific notation, it is written as 8.16398428 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 407936240 positive integers (up to 816398428) that are relatively prime to 816398428.
816398428 has 12 divisors, whose sum is 1429617672
The reverse of 816398428 is 824893618
Previous prime number is 1571
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
eight hundred sixteen million three hundred ninety-eight thousand four hundred twenty-eight
Scientific notation
8.16398428 × 10^8
Engineering notation
8.16398428 × 10^6
Prime Factorization
2 × 2 × 1571 × 129917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
408199214
Product of the distinct prime numbers
The prime factorization of 816398428 is 2 × 2 × 1571 × 129917.
Since it has a total of 4 prime factors.
1 , 3 , 68 , 75 , 924 , 992 , 5563 , 3635 , 20288 , 44746 , 602239 , 575576 , 6759040 , 5339915 , 12601021 , 28075473 , 733087959 , 967960411 , 1461688342 , 323291273
n×2
1632796856
n×3
2449195284
n×4
3265593712
n×5
4081992140
n÷2
408199214
n÷3
272132809.33333
n÷3
204099607
n÷5
163279685.6
n2
666506393240871184
n3
5.441347716938E+26
n4
4.4423077223095E+35
n5
3.6266930411858E+44
2 √n
28572.686748012
3 √n
934.61781133178
4 √n
169.03457264125
5 √n
60.587137173012
1 , 2 , 4 , 1571 , 3142 , 6284 , 129917 , 259834 , 519668 , 204099607 , 408199214 , 816398428
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
-816398427
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 816398428 can be divided by 12 positive divisors.
The sum of these divisors (counting 816398428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000101010010100000001011100
3
Ternary
2002220012100002211
4
Quaternary
300222110001130
5
Quinary
3132444222203
6
Senary
213002130204
8
Octal
6052240134
10
Decimal
816398428
12
Duodecimal
1a94b0964
16
Hexadecimal
30a9405c
20
Vigesimal
cf29g18
36
Base36
di2924
md5
76a4718b93f228b92668d7264c03d82e
sha1
ac285c71fd22026bf6071c0d635897d0c45c3dd2
sha256
c7fd63875612edc2a2a82664e5b741099e3d41bc405afc54388cd0bfcb6d3b97
sha512
ca98396c623214d57dd540eb2e56c0689656ecc496fecbfe8b55ffa1ffd5626ddb04a3ea4c7ba61c73975b599e5dcb5e7f29d60260b030790f5585476b370633
ripemd-160
7e0918e894c4d2ef3b0748ffdf1b50e1c812b465
Diameter
1632796856
Circumference
5129582607.6141
Area
2.0938915885762E+18
Volume
2.2792664017547E+27
Surface area
8.3755663543046E+18
Circumference
5129582607.6141
Perimeter
3265593712
Area
666506393240871184
Diagonal
1154561729.1777
Surface area
3999038359445227104
Volume
5.441347716938E+26
Space diagonal
1414043556.5154
Perimeter
2449195284
Area
2.8860573416567E+17
Altitude
707021778.25768
Surface area
2.8860573416567E+17
Volume
6.4126897824013E+25
Height
384853909.72589