20985250 is an even 8-digits composite number following 20985249
and preceding 20985251 . In scientific notation, it is written as 2.0985250 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 7032000 positive integers (up to 20985250) that are relatively prime to 20985250.
20985250 has 16 divisors, whose sum is 37848384
The reverse of 20985250 is 05258902
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred eighty-five thousand two hundred fifty
Scientific notation
2.0985250 × 10^7
Engineering notation
2.0985250 × 10^6
Prime Factorization
2 × 3575 × 5 × 587
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20985250
Product of the distinct prime numbers
The prime factorization of 20985250 is 2 × 3575 × 5 × 587.
Since it has a total of 4 prime factors.
9 , 3 , 46 , 80 , 314 , 992 , 4491 , 2489 , 88689 , 39898 , 649161 , 540253 , 8635267 , 2254106 , 30368380 , 13751967 , 28250976 , 916854548 , 3015934271 , 8677791536
n×2
41970500
n×3
62955750
n×4
83941000
n×5
104926250
n÷2
10492625
n÷3
6995083.3333333
n÷3
5246312.5
n÷5
4197050
n2
440380717562500
n3
9.2414994532285E+21
n4
1.9393517640086E+29
n5
4.0697781605662E+36
2 √n
4580.9660553206
3 √n
275.82780864936
4 √n
67.682834273696
5 √n
29.132840389753
1 , 2 , 5 , 10 , 587 , 1174 , 2935 , 3575 , 5870 , 7150 , 17875 , 35750 , 2098525 , 4197050 , 10492625 , 20985250
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
-20985249
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 20985250 can be divided by 16 positive divisors.
The sum of these divisors (counting 20985250) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000011010110100010
3
Ternary
1110111011100111
4
Quaternary
1100003112202
5
Quinary
20333012000
6
Senary
2025441534
8
Octal
120032642
10
Decimal
20985250
12
Duodecimal
70402aa
16
Hexadecimal
14035a2
20
Vigesimal
6b332a
36
Base36
chsbm
md5
43be721dfa9555ffe176a72e19114ab7
sha1
fd93a7b31c741b823178138c192a89774ccf0d77
sha256
a945459405b4a9115ab06e24349fabcd9f9298c4e0613f54f3bcda8f9a132521
sha512
362ac0c3b1db64f2893770e88b1b903810dffd7e703273c263ce0d3c645f7c66fbeb720d1e1ef2b73a5288a2947ca7f4c4e122d85a0a385e7e1f8b8d73454983
ripemd-160
4aeafedd12a6c289c4fd2722cd3f8b3a73e05816
Diameter
41970500
Circumference
131854214.46749
Area
1.383496827077E+15
Volume
3.8710702387222E+22
Surface area
5.5339873083078E+15
Circumference
131854214.46749
Perimeter
83941000
Area
440380717562500
Diagonal
29677625.15979
Surface area
2642284305375000
Volume
9.2414994532285E+21
Space diagonal
36347519.209535
Perimeter
62955750
Area
1.9069044437297E+14
Altitude
18173759.604767
Surface area
1.9069044437297E+14
Volume
1.0891211552849E+21
Height
9892541.71993