20995875 is an odd 8-digits composite number following 20995874
and preceding 20995876 . In scientific notation, it is written as 2.0995875 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 11196000 positive integers (up to 20995875) that are relatively prime to 20995875.
20995875 has 16 divisors, whose sum is 29766048
The reverse of 20995875 is 57859902
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million nine hundred ninety-five thousand eight hundred seventy-five
Scientific notation
2.0995875 × 10^7
Engineering notation
2.0995875 × 10^6
Prime Factorization
45 × 3 × 25 × 6221
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20995875
Product of the distinct prime numbers
The prime factorization of 20995875 is 45 × 3 × 25 × 6221.
Since it has a total of 4 prime factors.
9 , 9 , 50 , 7 , 535 , 683 , 7111 , 2382 , 63038 , 31680 , 214766 , 226795 , 4641956 , 8359717 , 62682259 , 10172878 , 194305573 , 64190729 , 1310844291 , 4158574906
n×2
41991750
n×3
62987625
n×4
83983500
n×5
104979375
n÷2
10497937.5
n÷3
6998625
n÷3
5248968.75
n÷5
4199175
n2
440826767015625
n3
9.2555436969142E+21
n4
1.9432823851745E+29
n5
4.0800914048825E+36
2 √n
4582.1255984532
3 √n
275.87435207071
4 √n
67.69139973773
5 √n
29.135789830526
1 , 3 , 25 , 45 , 75 , 135 , 1125 , 3375 , 6221 , 18663 , 155525 , 279945 , 466575 , 839835 , 6998625 , 20995875
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
-20995874
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 20995875 can be divided by 16 positive divisors.
The sum of these divisors (counting 20995875) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000101111100100011
3
Ternary
1110111200221000
4
Quaternary
1100011330203
5
Quinary
20333332000
6
Senary
2030003043
8
Octal
120057443
10
Decimal
20995875
12
Duodecimal
7046483
16
Hexadecimal
1405f23
20
Vigesimal
6b49df
36
Base36
ci0ir
md5
101886dc30faa310c2066858c6175171
sha1
234074069315113223ae14d269c174a38f2d4039
sha256
93b0a2255e987c221f4f3aae59d7608d61cc43f7ad59c0daec28f7fab900b2fd
sha512
fda6b8e8ebc4ab0a47c3a1ad08368fb1b40211686762f74a63860c9cc9f852e7af80a0461cd6389d9e375657143419afac8cb8e1fb480a2f20239015891e3a2a
ripemd-160
f52b47464c2f3317e733aa576f6a6dd64aa6faa1
Diameter
41991750
Circumference
131920973.31138
Area
1.384898132762E+15
Volume
3.8769530777607E+22
Surface area
5.5395925310481E+15
Circumference
131920973.31138
Perimeter
83983500
Area
440826767015625
Diagonal
29692651.17889
Surface area
2644960602093750
Volume
9.2555436969142E+21
Space diagonal
36365922.249365
Perimeter
62987625
Area
1.9088358945185E+14
Altitude
18182961.124683
Surface area
1.9088358945185E+14
Volume
1.0907762852761E+21
Height
9897550.3929634