816397988 is an even 9-digits composite number following 816397987
and preceding 816397989 . In scientific notation, it is written as 8.16397988 × 10^8.
The sum of its digits is 59. It has a total of 5 prime factors and 24 positive divisors.
There are 349734528 positive integers (up to 816397988) that are relatively prime to 816397988.
816397988 has 24 divisors, whose sum is 1633497600
The reverse of 816397988 is 889793618
Previous prime number is 3089
Is Prime? no
Number parity even
Number length 9
Sum of Digits 59
Digital Root 5
Name
eight hundred sixteen million three hundred ninety-seven thousand nine hundred eighty-eight
Scientific notation
8.16397988 × 10^8
Engineering notation
8.16397988 × 10^6
Prime Factorization
2 × 2 × 7 × 3089 × 9439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
408198994
Product of the distinct prime numbers
The prime factorization of 816397988 is 2 × 2 × 7 × 3089 × 9439.
Since it has a total of 5 prime factors.
1 , 3 , 34 , 31 , 123 , 168 , 9581 , 4314 , 36485 , 24096 , 182034 , 645171 , 4249573 , 5223294 , 88088927 , 10592204 , 621129279 , 940452326 , 6597764153 , 7565027239
n×2
1632795976
n×3
2449193964
n×4
3265591952
n×5
4081989940
n÷2
408198994
n÷3
272132662.66667
n÷3
204099497
n÷5
163279597.6
n2
666505674810448144
n3
5.4413389190583E+26
n4
4.4422981455453E+35
n5
3.6266832681193E+44
2 √n
28572.67904835
3 √n
934.61764342687
4 √n
169.03454986585
5 √n
60.587130642292
1 , 2 , 4 , 7 , 14 , 28 , 3089 , 6178 , 9439 , 12356 , 18878 , 21623 , 37756 , 43246 , 66073 , 86492 , 132146 , 264292 , 29157071 , 58314142 , 116628284 , 204099497 , 408198994 , 816397988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-816397987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 816397988 can be divided by 24 positive divisors.
The sum of these divisors (counting 816397988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000101010010011111010100100
3
Ternary
2002220012022111112
4
Quaternary
300222103322210
5
Quinary
3132444213423
6
Senary
213002124152
8
Octal
6052237244
10
Decimal
816397988
12
Duodecimal
1a94b0658
16
Hexadecimal
30a93ea4
20
Vigesimal
cf29ej8
36
Base36
di28pw
md5
ea7930bbe00a39c99f0dc82cd6b21c02
sha1
71ad35f5460f1959f90ac745b79115b1c3682877
sha256
46d83d930b34e0ae80fc9c26ae5f6b5cb54e38d8953d4022a03fd801560fd4ab
sha512
19e5b7e609191a80107adcb70e0492201af7552cc2a6d861b808ebca5753249f3827e1c0062bd50ead57cb7ead90b5c190925486825a6e72680e7f15332c3b70
ripemd-160
1fa9746eab6f45f8f232b1c56b8050945410d1a0
Diameter
1632795976
Circumference
5129579843.0126
Area
2.0938893315604E+18
Volume
2.2792627165074E+27
Surface area
8.3755573262416E+18
Circumference
5129579843.0126
Perimeter
3265591952
Area
666505674810448144
Diagonal
1154561106.9237
Surface area
3999034048862688864
Volume
5.4413389190583E+26
Space diagonal
1414042794.413
Perimeter
2449193964
Area
2.8860542307617E+17
Altitude
707021397.2065
Surface area
2.8860542307617E+17
Volume
6.4126794140007E+25
Height
384853702.3079