20854421 is an odd 8-digits composite number following 20854420
and preceding 20854422 . In scientific notation, it is written as 2.0854421 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 17138304 positive integers (up to 20854421) that are relatively prime to 20854421.
20854421 has 16 divisors, whose sum is 24835584
The reverse of 20854421 is 12445802
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million eight hundred fifty-four thousand four hundred twenty-one
Scientific notation
2.0854421 × 10^7
Engineering notation
2.0854421 × 10^6
Prime Factorization
7 × 73 × 37 × 1103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20854421
Product of the distinct prime numbers
The prime factorization of 20854421 is 7 × 73 × 37 × 1103.
Since it has a total of 4 prime factors.
1 , 2 , 6 , 73 , 402 , 230 , 5806 , 4453 , 52102 , 37107 , 977694 , 730540 , 8516506 , 4920873 , 31923201 , 50920270 , 221546559 , 713846131 , 7588736607 , 3706473400
n×2
41708842
n×3
62563263
n×4
83417684
n×5
104272105
n÷2
10427210.5
n÷3
6951473.6666667
n÷3
5213605.25
n÷5
4170884.2
n2
434906875245241
n3
9.0697310721587E+21
n4
1.8914399013558E+29
n5
3.9444883999072E+36
2 √n
4566.664099756
3 √n
275.25341268929
4 √n
67.57709744992
5 √n
29.096424709719
1 , 7 , 37 , 73 , 259 , 511 , 1103 , 2701 , 7721 , 18907 , 40811 , 80519 , 285677 , 563633 , 2979203 , 20854421
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
-20854420
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 20854421 can be divided by 16 positive divisors.
The sum of these divisors (counting 20854421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100011011010010101
3
Ternary
1110020111212222
4
Quaternary
1033203122111
5
Quinary
20314320141
6
Senary
2022552125
8
Octal
117433225
10
Decimal
20854421
12
Duodecimal
6b98645
16
Hexadecimal
13e3695
20
Vigesimal
6a6g11
36
Base36
cezdh
md5
3e7a7fd9d89b84086a368994bcd5d2c1
sha1
15289725440d8165c2bd11ccb40be9cb6b739bad
sha256
f6cf0709638ad13b476f93204a1f4c93f834d96592124e6da45d2742ad1fcdc0
sha512
34100207c540f332321afec9f80e07e4ea8c12a325293c61a24cf7a862c5a221819b684a12d895547fedabdc804e477bbb6f4f9a47147dde9e0beefe5c3c5563
ripemd-160
90f2f3237f11953c14418e3d5c0d6117ba79b8ab
Diameter
41708842
Circumference
131032191.61694
Area
1.3663002442661E+15
Volume
3.7991200675105E+22
Surface area
5.4652009770646E+15
Circumference
131032191.61694
Perimeter
83417684
Area
434906875245241
Diagonal
29492605.013638
Surface area
2609441251471446
Volume
9.0697310721587E+21
Space diagonal
36120916.734431
Perimeter
62563263
Area
1.8832020112144E+14
Altitude
18060458.367216
Surface area
1.8832020112144E+14
Volume
1.0688780574436E+21
Height
9830868.3378794