1620808889 is an odd 10-digits composite number following 1620808888
and preceding 1620808890 . In scientific notation, it is written as 1.620808889 × 10^9.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 1316145456 positive integers (up to 1620808889) that are relatively prime to 1620808889.
1620808889 has 8 divisors, whose sum is 1949845440
The reverse of 1620808889 is 9888080261
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion six hundred twenty million eight hundred eight thousand eight hundred eighty-nine
Scientific notation
1.620808889 × 10^9
Engineering notation
1.620808889 × 10^9
Prime Factorization
7 × 19 × 12186533
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1620808889
Product of the distinct prime numbers
The prime factorization of 1620808889 is 7 × 19 × 12186533.
Since it has a total of 3 prime factors.
1 , 3 , 37 , 4 , 35 , 383 , 913 , 2549 , 43003 , 85472 , 638860 , 107656 , 1815053 , 5581140 , 98525598 , 65908850 , 432133487 , 825733227 , 8817332645 , 387334355
n×2
3241617778
n×3
4862426667
n×4
6483235556
n×5
8104044445
n÷2
810404444.5
n÷3
540269629.66667
n÷3
405202222.25
n÷5
324161777.8
n2
2627021454661414321
n3
4.2578997253089E+27
n4
6.9012417232514E+36
n5
1.1185593930184E+46
2 √n
40259.270845359
3 √n
1174.6557347247
4 √n
200.64713016976
5 √n
69.493848311839
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
-1620808888
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 1620808889 can be divided by 8 positive divisors.
The sum of these divisors (counting 1620808889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000100110111001010010111001
3
Ternary
11011221211121210212
4
Quaternary
1200212321102321
5
Quinary
11304411341024
6
Senary
424455320505
8
Octal
14046712271
10
Decimal
1620808889
12
Duodecimal
392980135
16
Hexadecimal
609b94b9
20
Vigesimal
156a1249
36
Base36
qszk55
md5
ac4396c0f24354a7aa08be96579feba6
sha1
e001368f497918770a4049fa6090e8515077a8a3
sha256
c9f09557ebc20cff0b618791928a609044cfa901ad8138f1f344e26999b4382f
sha512
4fd1da2a4dcfdab6a7f574dfe2661698523462b5eb599334e17084a4212aab2a92c4e41b1108b33d799535f10bb6f97cefb9a140e6ce4ed2dbbedc4780dad13e
ripemd-160
569362844e179cc43a34aa2d6299a557e86ff493
Diameter
3241617778
Circumference
10183842597.111
Area
8.2530313027871E+18
Volume
1.7835448662337E+28
Surface area
3.3012125211148E+19
Circumference
10183842597.111
Perimeter
6483235556
Area
2627021454661414321
Diagonal
2292169912.8387
Surface area
1.5762128727968E+19
Volume
4.2578997253089E+27
Space diagonal
2807323345.1073
Perimeter
4862426667
Area
1.1375336580118E+18
Altitude
1403661672.5536
Surface area
1.1375336580118E+18
Volume
5.0179829489638E+26
Height
764056637.61289