20621804 is an even 8-digits composite number following 20621803
and preceding 20621805 . In scientific notation, it is written as 2.0621804 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 8805456 positive integers (up to 20621804) that are relatively prime to 20621804.
20621804 has 24 divisors, whose sum is 41395200
The reverse of 20621804 is 40812602
Previous prime number is 307
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million six hundred twenty-one thousand eight hundred four
Scientific notation
2.0621804 × 10^7
Engineering notation
2.0621804 × 10^6
Prime Factorization
2 × 2 × 7 × 307 × 2399
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10310902
Product of the distinct prime numbers
The prime factorization of 20621804 is 2 × 2 × 7 × 307 × 2399.
Since it has a total of 5 prime factors.
6 , 6 , 11 , 93 , 664 , 309 , 3157 , 5544 , 98055 , 48320 , 632867 , 791399 , 3891789 , 6061683 , 23941414 , 67233847 , 390217460 , 234158884 , 3453719264 , 4802780356
n×2
41243608
n×3
61865412
n×4
82487216
n×5
103109020
n÷2
10310902
n÷3
6873934.6666667
n÷3
5155451
n÷5
4124360.8
n2
425258800214416
n3
8.7696036272968E+21
n4
1.808450471598E+29
n5
3.7293511169002E+36
2 √n
4541.1236494947
3 √n
274.22616168445
4 √n
67.387859807941
5 √n
29.031222945974
1 , 2 , 4 , 7 , 14 , 28 , 307 , 614 , 1228 , 2149 , 2399 , 4298 , 4798 , 8596 , 9596 , 16793 , 33586 , 67172 , 736493 , 1472986 , 2945972 , 5155451 , 10310902 , 20621804
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
-20621803
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 20621804 can be divided by 24 positive divisors.
The sum of these divisors (counting 20621804) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110101010100111101100
3
Ternary
1102210200210112
4
Quaternary
1032222213230
5
Quinary
20234344204
6
Senary
2013555152
8
Octal
116524754
10
Decimal
20621804
12
Duodecimal
6aa5ab8
16
Hexadecimal
13aa9ec
20
Vigesimal
68hea4
36
Base36
c9zvw
md5
871cbd2fbdacf1ddd2a7ae6ba613b272
sha1
bb5e24d6984e5e7b888d58c14311a9e0b732d728
sha256
d1f72c3f1c4322c7df4cd50c24c9022ec6257be29cb653863461a4ef3fbd4a4f
sha512
44a7268b9a3e890cded28ca37e51e0d497392501bd3d74d6dcd23b18185a8af077e248fc9380ac60e6e340e4fb19dc35a8bc8d5fea6b4496c62ce191459c9dc9
ripemd-160
2db1a4d060a4f2b11bd78bee884e26d6b337b2ab
Diameter
41243608
Circumference
129570615.90034
Area
1.335989922628E+15
Volume
3.673402977388E+22
Surface area
5.3439596905121E+15
Circumference
129570615.90034
Perimeter
82487216
Area
425258800214416
Diagonal
29163634.8974
Surface area
2551552801286496
Volume
8.7696036272968E+21
Space diagonal
35718012.271727
Perimeter
61865412
Area
1.8414246208429E+14
Altitude
17859006.135864
Surface area
1.8414246208429E+14
Volume
1.0335076988633E+21
Height
9721211.6324666