819942020 is an even 9-digits composite number following 819942019
and preceding 819942021 . In scientific notation, it is written as 8.19942020 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 327976800 positive integers (up to 819942020) that are relatively prime to 819942020.
819942020 has 12 divisors, whose sum is 1721878284
The reverse of 819942020 is 020249918
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
eight hundred nineteen million nine hundred forty-two thousand twenty
Scientific notation
8.19942020 × 10^8
Engineering notation
8.19942020 × 10^6
Prime Factorization
2 × 2 × 5 × 40997101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
409971010
Product of the distinct prime numbers
The prime factorization of 819942020 is 2 × 2 × 5 × 40997101.
Since it has a total of 4 prime factors.
10 , 3 , 1 , 5 , 504 , 811 , 5779 , 320 , 99474 , 25681 , 649772 , 5726 , 1077607 , 8305083 , 36649891 , 70745148 , 737969953 , 937753214 , 1339292551 , 263426296
n×2
1639884040
n×3
2459826060
n×4
3279768080
n×5
4099710100
n÷2
409971010
n÷3
273314006.66667
n÷3
204985505
n÷5
163988404
n2
672304916161680400
n3
5.5125105101354E+26
n4
4.5199390029516E+35
n5
3.706087916357E+44
2 √n
28634.629733943
3 √n
935.96810134309
4 √n
169.21769923369
5 √n
60.639642003539
1 , 2 , 4 , 5 , 10 , 20 , 40997101 , 81994202 , 163988404 , 204985505 , 409971010 , 819942020
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
-819942019
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 819942020 can be divided by 12 positive divisors.
The sum of these divisors (counting 819942020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000110111110101001010000100
3
Ternary
2010010212100222222
4
Quaternary
300313311022010
5
Quinary
3134401121040
6
Senary
213210111512
8
Octal
6067651204
10
Decimal
819942020
12
Duodecimal
1aa71b598
16
Hexadecimal
30df5284
20
Vigesimal
cg4cf10
36
Base36
dk67b8
md5
0f5ed0e295e598d54e9ced8c02407680
sha1
f9f4cb94b7fa357a0d19dc32cacb50f28771dd84
sha256
7f03c756568a07df9e047628dc21cc64cdafb48a7f4d36a8169dfeeb74e7b99d
sha512
c963c2dd54d7dc641ecc90f7dadfe4ab2aa53bc48cf478b3b7e26a2513dcac033f30bc1f9adf3b7522702cbb298d8437280f17455a7ad81aa767c05839607e37
ripemd-160
eb1b3fd045173bee804e84dfeb14a88840776e41
Diameter
1639884040
Circumference
5151847652.8032
Area
2.1121081855858E+18
Volume
2.3090750028637E+27
Surface area
8.4484327423433E+18
Circumference
5151847652.8032
Perimeter
3279768080
Area
672304916161680400
Diagonal
1159573125.0436
Surface area
4033829496970082400
Volume
5.5125105101354E+26
Space diagonal
1420181237.9007
Perimeter
2459826060
Area
2.9111656824259E+17
Altitude
710090618.95033
Surface area
2.9111656824259E+17
Volume
6.4965559384647E+25
Height
386524375.01453