20005621 is an odd 8-digits composite number following 20005620
and preceding 20005622 . In scientific notation, it is written as 2.0005621 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors.
There are 18486720 positive integers (up to 20005621) that are relatively prime to 20005621.
20005621 has 16 divisors, whose sum is 21605760
The reverse of 20005621 is 12650002
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million five thousand six hundred twenty-one
Scientific notation
2.0005621 × 10^7
Engineering notation
2.0005621 × 10^6
Prime Factorization
43 × 29 × 61 × 263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20005621
Product of the distinct prime numbers
The prime factorization of 20005621 is 43 × 29 × 61 × 263.
Since it has a total of 4 prime factors.
6 , 5 , 69 , 56 , 967 , 980 , 9055 , 4198 , 59804 , 75180 , 489727 , 565697 , 8962464 , 5445659 , 53727488 , 89228229 , 514656805 , 924675068 , 5575336535 , 1527250085
n×2
40011242
n×3
60016863
n×4
80022484
n×5
100028105
n÷2
10002810.5
n÷3
6668540.3333333
n÷3
5001405.25
n÷5
4001124.2
n2
400224871595641
n3
8.0067470959161E+21
n4
1.6017994784375E+29
n5
3.2044993283618E+36
2 √n
4472.7643577546
3 √n
271.46718884657
4 √n
66.878728739074
5 √n
28.855619819077
1 , 29 , 43 , 61 , 263 , 1247 , 1769 , 2623 , 7627 , 11309 , 16043 , 76067 , 327961 , 465247 , 689849 , 20005621
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
-20005620
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 20005621 can be divided by 16 positive divisors.
The sum of these divisors (counting 20005621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010100001011110101
3
Ternary
1101122101112221
4
Quaternary
1030110023311
5
Quinary
20110134441
6
Senary
1552442341
8
Octal
114241365
10
Decimal
20005621
12
Duodecimal
68493b1
16
Hexadecimal
13142f5
20
Vigesimal
650e11
36
Base36
bwsfp
md5
14c671609d45b135475ae692c8b4a73b
sha1
5bcd9e20938367f9b03855e265be9c0e6d3fe0ac
sha256
d60267142329b4a870ac0dc7f479a497752ce73dc26ae524c8905a300ef14b5e
sha512
b399a5afa774209bbfb88657b22e20b847e31610087e13b00304d59832a4f5772a1a5d3ecfd4e8d73b6093388ba87ee98963555285f0544f5c1c43d866895e44
ripemd-160
278e9e62103c0fee7693c6580830f0e588a074ba
Diameter
40011242
Circumference
125699023.9282
Area
1.2573435163888E+15
Volume
3.3538583807575E+22
Surface area
5.0293740655551E+15
Circumference
125699023.9282
Perimeter
80022484
Area
400224871595641
Diagonal
28292220.541896
Surface area
2401349229573846
Volume
8.0067470959161E+21
Space diagonal
34650752.008967
Perimeter
60016863
Area
1.733024530141E+14
Altitude
17325376.004483
Surface area
1.733024530141E+14
Volume
9.4360419446132E+20
Height
9430740.180632