20621812 is an even 8-digits composite number following 20621811
and preceding 20621813 . In scientific notation, it is written as 2.0621812 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 10204416 positive integers (up to 20621812) that are relatively prime to 20621812.
20621812 has 12 divisors, whose sum is 36460900
The reverse of 20621812 is 21812602
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million six hundred twenty-one thousand eight hundred twelve
Scientific notation
2.0621812 × 10^7
Engineering notation
2.0621812 × 10^6
Prime Factorization
2 × 2 × 97 × 53149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10310906
Product of the distinct prime numbers
The prime factorization of 20621812 is 2 × 2 × 97 × 53149.
Since it has a total of 4 prime factors.
10 , 9 , 37 , 83 , 815 , 604 , 9522 , 9879 , 92831 , 9724 , 925415 , 63115 , 6737549 , 7103361 , 17007778 , 51880289 , 799795416 , 994043508 , 4221731782 , 6159269520
n×2
41243624
n×3
61865436
n×4
82487248
n×5
103109060
n÷2
10310906
n÷3
6873937.3333333
n÷3
5155453
n÷5
4124362.4
n2
425259130163344
n3
8.769613833512E+21
n4
1.8084532778728E+29
n5
3.7293583507077E+36
2 √n
4541.1245303339
3 √n
274.22619714545
4 √n
67.387866343533
5 √n
29.031225198442
1 , 2 , 4 , 97 , 194 , 388 , 53149 , 106298 , 212596 , 5155453 , 10310906 , 20621812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20621811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20621812 can be divided by 12 positive divisors.
The sum of these divisors (counting 20621812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110101010100111110100
3
Ternary
1102210200210211
4
Quaternary
1032222213310
5
Quinary
20234344222
6
Senary
2013555204
8
Octal
116524764
10
Decimal
20621812
12
Duodecimal
6aa5b04
16
Hexadecimal
13aa9f4
20
Vigesimal
68heac
36
Base36
c9zw4
md5
f42c4b2b29b877b4589494497457d304
sha1
73d797c5e66706d5b7054a495908093ec80ca8ff
sha256
e6642523d257e80df2e1433be6b592a82ca0cb81c3d0855e1a6417eed7945809
sha512
3f6c0561f048074acec3a7ec94f766afa56b818b943ee1d37187f763938181736e6ceb231b568f0d748633985781e25d49c116102086cd4cf2e2207809685994
ripemd-160
82ac2985b5bbc50ce051f72f04907649d2e27c03
Diameter
41243624
Circumference
129570666.16582
Area
1.3359909591931E+15
Volume
3.6734072525574E+22
Surface area
5.3439638367726E+15
Circumference
129570666.16582
Perimeter
82487248
Area
425259130163344
Diagonal
29163646.211108
Surface area
2551554780980064
Volume
8.769613833512E+21
Space diagonal
35718026.128134
Perimeter
61865436
Area
1.8414260495636E+14
Altitude
17859013.064067
Surface area
1.8414260495636E+14
Volume
1.0335089016773E+21
Height
9721215.4037027