20984940 is an even 8-digits composite number following 20984939
and preceding 20984941 . In scientific notation, it is written as 2.0984940 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 5595840 positive integers (up to 20984940) that are relatively prime to 20984940.
20984940 has 24 divisors, whose sum is 45701712
The reverse of 20984940 is 04948902
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million nine hundred eighty-four thousand nine hundred forty
Scientific notation
2.0984940 × 10^7
Engineering notation
2.0984940 × 10^6
Prime Factorization
2 × 2 × 5 × 27 × 38861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10492470
Product of the distinct prime numbers
The prime factorization of 20984940 is 2 × 2 × 5 × 27 × 38861.
Since it has a total of 5 prime factors.
6 , 8 , 9 , 6 , 280 , 497 , 4221 , 7724 , 80516 , 68805 , 707762 , 550707 , 6275252 , 6688065 , 37977728 , 89787712 , 209283605 , 495855713 , 2070407652 , 2117819397
n×2
41969880
n×3
62954820
n×4
83939760
n×5
104924700
n÷2
10492470
n÷3
6994980
n÷3
5246235
n÷5
4196988
n2
440367706803600
n3
9.2410899052111E+21
n4
1.9392371719546E+29
n5
4.0694775699237E+36
2 √n
4580.9322195379
3 √n
275.82645044075
4 √n
67.682584314858
5 √n
29.132754317547
1 , 2 , 4 , 5 , 10 , 20 , 27 , 54 , 108 , 135 , 270 , 540 , 38861 , 77722 , 155444 , 194305 , 388610 , 777220 , 1049247 , 2098494 , 4196988 , 5246235 , 10492470 , 20984940
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
-20984939
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 20984940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20984940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000011010001101100
3
Ternary
1110111010221000
4
Quaternary
1100003101230
5
Quinary
20333004230
6
Senary
2025440300
8
Octal
120032154
10
Decimal
20984940
12
Duodecimal
7040090
16
Hexadecimal
140346c
20
Vigesimal
6b3270
36
Base36
chs30
md5
3883f58f426d3d9689d4da56c4d3a47c
sha1
c702d2230f040d425e5482cc7c020d03a408a3d0
sha256
d8d9d667fea03fa3559f47b535393131ba72ed244a12d82ba7d71897f6c098e1
sha512
5073ad61cb4458e23cc919c528a7aab180281908d66e6f5c027159b3aff14b49f4d10b5f32ba9ae999e4d9de3dd40f760b0d6becbe5d259438ff19ee6737f61f
ripemd-160
910d8aeefc344f189821681d25bf65da521e1a4c
Diameter
41969880
Circumference
131852266.68005
Area
1.3834559525724E+15
Volume
3.8708986876499E+22
Surface area
5.5338238102895E+15
Circumference
131852266.68005
Perimeter
83939760
Area
440367706803600
Diagonal
29677186.753586
Surface area
2642206240821600
Volume
9.2410899052111E+21
Space diagonal
36346982.273784
Perimeter
62954820
Area
1.9068481054911E+14
Altitude
18173491.136892
Surface area
1.9068481054911E+14
Volume
1.0890728895882E+21
Height
9892395.5845286