20989854 is an even 8-digits composite number following 20989853
and preceding 20989855 . In scientific notation, it is written as 2.0989854 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 6996456 positive integers (up to 20989854) that are relatively prime to 20989854.
20989854 has 24 divisors, whose sum is 47163480
The reverse of 20989854 is 45898902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million nine hundred eighty-nine thousand eight hundred fifty-four
Scientific notation
2.0989854 × 10^7
Engineering notation
2.0989854 × 10^6
Prime Factorization
2 × 9 × 9 × 3 × 43189
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2332206
Product of the distinct prime numbers
The prime factorization of 20989854 is 2 × 9 × 9 × 3 × 43189.
Since it has a total of 5 prime factors.
8 , 10 , 38 , 86 , 473 , 926 , 7889 , 8008 , 64708 , 68415 , 663519 , 529370 , 1121613 , 6360262 , 5744239 , 7277888 , 945286091 , 258364938 , 6600395320 , 8996118188
n×2
41979708
n×3
62969562
n×4
83959416
n×5
104949270
n÷2
10494927
n÷3
6996618
n÷3
5247463.5
n÷5
4197970.8
n2
440573970941316
n3
9.2475833262585E+21
n4
1.94105423871E+29
n5
4.0742445076604E+36
2 √n
4581.4685418542
3 √n
275.84797866358
4 √n
67.686546239664
5 √n
29.134118581131
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 81 , 162 , 243 , 486 , 43189 , 86378 , 129567 , 259134 , 388701 , 777402 , 1166103 , 2332206 , 3498309 , 6996618 , 10494927 , 20989854
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20989853
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20989854 can be divided by 24 positive divisors.
The sum of these divisors (counting 20989854) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000100011110011110
3
Ternary
1110111101200000
4
Quaternary
1100010132132
5
Quinary
20333133404
6
Senary
2025515130
8
Octal
120043636
10
Decimal
20989854
12
Duodecimal
7042aa6
16
Hexadecimal
140479e
20
Vigesimal
6b3ece
36
Base36
chvvi
md5
807a1319dbd90eb8628a9b52fdfa7e00
sha1
6113711e51a0616f225b18bbec4d272ef64c4b65
sha256
ca8ccea21bfad245b084efbb2b8c0c1008b3269196e4237f48c10673600e21dc
sha512
bbe1bfdcde1e45835876a8fb96f9703bfdfa185782c4027733d49e4eb4039a8217371cf0e025ee7447f05133bd994d8dd3cad0f2f993be6ba585462b769f4d74
ripemd-160
4a43b81cac0c988a0bb549c35411a4f4ff2439f1
Diameter
41979708
Circumference
131883142.25264
Area
1.3841039504721E+15
Volume
3.8736186454977E+22
Surface area
5.5364158018885E+15
Circumference
131883142.25264
Perimeter
83959416
Area
440573970941316
Diagonal
29684136.199031
Surface area
2643443825647896
Volume
9.2475833262585E+21
Space diagonal
36355493.571453
Perimeter
62969562
Area
1.9077412554068E+14
Altitude
18177746.785726
Surface area
1.9077412554068E+14
Volume
1.0898381465975E+21
Height
9894712.0663437