820147642 is an even 9-digits composite number following 820147641
and preceding 820147643 . In scientific notation, it is written as 8.20147642 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 407407168 positive integers (up to 820147642) that are relatively prime to 820147642.
820147642 has 16 divisors, whose sum is 1238240520
The reverse of 820147642 is 246741028
Previous prime number is 1877
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
eight hundred twenty million one hundred forty-seven thousand six hundred forty-two
Scientific notation
8.20147642 × 10^8
Engineering notation
8.20147642 × 10^6
Prime Factorization
2 × 197 × 1877 × 1109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
820147642
Product of the distinct prime numbers
The prime factorization of 820147642 is 2 × 197 × 1877 × 1109.
Since it has a total of 4 prime factors.
6 , 6 , 51 , 7 , 349 , 190 , 5679 , 6415 , 99527 , 56110 , 69508 , 973076 , 2414159 , 544586 , 73765299 , 4128607 , 371869755 , 290265731 , 917027509 , 9977745795
n×2
1640295284
n×3
2460442926
n×4
3280590568
n×5
4100738210
n÷2
410073821
n÷3
273382547.33333
n÷3
205036910.5
n÷5
164029528.4
n2
672642154678160164
n3
5.5166587706909E+26
n4
4.5244746825008E+35
n5
3.7107372421417E+44
2 √n
28638.219951666
3 √n
936.04633433303
4 √n
169.22830718194
5 √n
60.642683095128
1 , 2 , 197 , 394 , 1109 , 1877 , 2218 , 3754 , 218473 , 369769 , 436946 , 739538 , 2081593 , 4163186 , 410073821 , 820147642
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-820147641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820147642 can be divided by 16 positive divisors.
The sum of these divisors (counting 820147642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000111000100111010110111010
3
Ternary
2010011020211001121
4
Quaternary
300320213112322
5
Quinary
3134424211032
6
Senary
213214335454
8
Octal
6070472672
10
Decimal
820147642
12
Duodecimal
1aa7ba58a
16
Hexadecimal
30e275ba
20
Vigesimal
cg5i922
36
Base36
dkalyy
md5
641cc0800970c25eeaba86a6fd9e0a14
sha1
a7b9027389e354b102d1ee953240060a6efd3336
sha256
4b201e103ed8b5c3c8497bea8dac4e5a9f36793a8d27bba13a968c9e263fe91b
sha512
8f586a816e0b1c5d9ad77ed740523e9c52304f87763231b602c81fde080e3a432ffa4d1c426a7a6195198d29c195a7c1055b596be5de0dd797f088b84a4f3ebf
ripemd-160
668541691b4b2144612e8f36bd17be0ae8a58ff6
Diameter
1640295284
Circumference
5153139613.9324
Area
2.1131676516317E+18
Volume
2.3108126221819E+27
Surface area
8.4526706065269E+18
Circumference
5153139613.9324
Perimeter
3280590568
Area
672642154678160164
Diagonal
1159863918.4647
Surface area
4035852928068960984
Volume
5.5166587706909E+26
Space diagonal
1420537385.6518
Perimeter
2460442926
Area
2.9126259680379E+17
Altitude
710268692.82591
Surface area
2.9126259680379E+17
Volume
6.501444710413E+25
Height
386621306.1549