20865089 is an odd 8-digits composite number following 20865088
and preceding 20865090 . In scientific notation, it is written as 2.0865089 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 17851680 positive integers (up to 20865089) that are relatively prime to 20865089.
20865089 has 8 divisors, whose sum is 23889408
The reverse of 20865089 is 98056802
Previous prime number is 617
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million eight hundred sixty-five thousand eighty-nine
Scientific notation
2.0865089 × 10^7
Engineering notation
2.0865089 × 10^6
Prime Factorization
7 × 617 × 4831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20865089
Product of the distinct prime numbers
The prime factorization of 20865089 is 7 × 617 × 4831.
Since it has a total of 3 prime factors.
7 , 8 , 5 , 95 , 628 , 840 , 7794 , 8811 , 90106 , 26002 , 757729 , 807288 , 9346299 , 9426964 , 28417950 , 72786823 , 772817213 , 432196459 , 837835137 , 3317624393
n×2
41730178
n×3
62595267
n×4
83460356
n×5
104325445
n÷2
10432544.5
n÷3
6955029.6666667
n÷3
5216272.25
n÷5
4173017.8
n2
435351938977921
n3
9.0836569530969E+21
n4
1.8953131077184E+29
n5
3.954587667541E+36
2 √n
4567.8319802725
3 √n
275.30033963501
4 √n
67.585737994583
5 √n
29.099400933941
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
-20865088
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 20865089 can be divided by 8 positive divisors.
The sum of these divisors (counting 20865089) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100110000001000001
3
Ternary
1110021001112002
4
Quaternary
1033212001001
5
Quinary
20320140324
6
Senary
2023113345
8
Octal
117460101
10
Decimal
20865089
12
Duodecimal
6ba2855
16
Hexadecimal
13e6041
20
Vigesimal
6a82e9
36
Base36
cf7lt
md5
c5e384e026ab958223d8e974fa374238
sha1
228583f53aad87d610b287ad77a55e830c57128f
sha256
a634b85853eb45a2ff990804ad1a539d4092a74219d31128679a1fe1b9af2249
sha512
91944b11ef6ab398787db936b22a306dc2f118a2f8a239dbba605a04fdef9e32f17deb7675b581ed74ddf4772bbac635461aae72f116ca8e777d0defe75b2c67
ripemd-160
ccc53b0a4a0ec2642fa42f17eeb5a06a1356fc48
Diameter
41730178
Circumference
131099220.63779
Area
1.3676984532191E+15
Volume
3.8049533268772E+22
Surface area
5.4707938128764E+15
Circumference
131099220.63779
Perimeter
83460356
Area
435351938977921
Diagonal
29507691.843922
Surface area
2612111633867526
Volume
9.0836569530969E+21
Space diagonal
36139394.252446
Perimeter
62595267
Area
1.8851291937085E+14
Altitude
18069697.126223
Surface area
1.8851291937085E+14
Volume
1.0705192382512E+21
Height
9835897.2813072