16389989 is an odd 8-digits composite number following 16389988
and preceding 16389990 . In scientific notation, it is written as 1.6389989 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 11370240 positive integers (up to 16389989) that are relatively prime to 16389989.
16389989 has 16 divisors, whose sum is 18532800
The reverse of 16389989 is 98998361
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixteen million three hundred eighty-nine thousand nine hundred eighty-nine
Scientific notation
1.6389989 × 10^7
Engineering notation
1.6389989 × 10^6
Prime Factorization
77 × 17 × 19 × 659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16389989
Product of the distinct prime numbers
The prime factorization of 16389989 is 77 × 17 × 19 × 659.
Since it has a total of 4 prime factors.
7 , 2 , 27 , 31 , 679 , 957 , 7022 , 9877 , 10054 , 9176 , 642803 , 562477 , 2394759 , 569788 , 91288193 , 84170306 , 11648897 , 247720650 , 8917700450 , 8006149023
n×2
32779978
n×3
49169967
n×4
65559956
n×5
81949945
n÷2
8194994.5
n÷3
5463329.6666667
n÷3
4097497.25
n÷5
3277997.8
n2
268631739420121
n3
4.4028712541466E+21
n4
7.216301142388E+28
n5
1.1827509634443E+36
2 √n
4048.4551374568
3 √n
254.01511163115
4 √n
63.627471562657
5 √n
27.727820404732
1 , 17 , 19 , 77 , 323 , 659 , 1309 , 1463 , 11203 , 12521 , 24871 , 50743 , 212857 , 862631 , 964117 , 16389989
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
-16389988
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 16389989 can be divided by 16 positive divisors.
The sum of these divisors (counting 16389989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110100001011101100101
3
Ternary
1010211200211122
4
Quaternary
332201131211
5
Quinary
13143434424
6
Senary
1343143325
8
Octal
76413545
10
Decimal
16389989
12
Duodecimal
55a4b45
16
Hexadecimal
fa1765
20
Vigesimal
528ej9
36
Base36
9ralh
md5
6769026b6fbdfc278a42d00fcfe678d8
sha1
c5c355fa4e8d0c8a870113f6302b6ef5850b4061
sha256
64e98acae16fc1b87d2144f22ab4316be47d6defe00415a4025284c28e54ecd7
sha512
594959aa467e6a6aa728760a75d0624cda58cd222adc44b80a893a3b4e228a37f44e99a9bee74cbcafb4b2278babd13faddd66c6ea25023d05f584e030aca1b8
ripemd-160
f55324aec894825acdd97a831951189c8b58219e
Diameter
32779978
Circumference
102981338.06964
Area
8.439314990833E+14
Volume
1.8442703982305E+22
Surface area
3.3757259963332E+15
Circumference
102981338.06964
Perimeter
65559956
Area
268631739420121
Diagonal
23178944.730946
Surface area
1611790436520726
Volume
4.4028712541466E+21
Space diagonal
28388293.683495
Perimeter
49169967
Area
1.1632095530031E+14
Altitude
14194146.841748
Surface area
1.1632095530031E+14
Volume
5.188833534164E+20
Height
7726314.9103153