21452020 is an even 8-digits composite number following 21452019
and preceding 21452021 . In scientific notation, it is written as 2.1452020 × 10^7.
The sum of its digits is 16. It has a total of 5 prime factors and 24 positive divisors.
There are 8371200 positive integers (up to 21452020) that are relatively prime to 21452020.
21452020 has 24 divisors, whose sum is 46149768
The reverse of 21452020 is 02025412
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million four hundred fifty-two thousand twenty
Scientific notation
2.1452020 × 10^7
Engineering notation
2.1452020 × 10^6
Prime Factorization
2 × 2 × 5 × 41 × 26161
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10726010
Product of the distinct prime numbers
The prime factorization of 21452020 is 2 × 2 × 5 × 41 × 26161.
Since it has a total of 5 prime factors.
5 , 3 , 65 , 59 , 537 , 415 , 952 , 7137 , 35129 , 79641 , 976093 , 951301 , 8548979 , 5607261 , 2071578 , 86067314 , 242220009 , 472991850 , 1873740547 , 9009861597
n×2
42904040
n×3
64356060
n×4
85808080
n×5
107260100
n÷2
10726010
n÷3
7150673.3333333
n÷3
5363005
n÷5
4290404
n2
460189162080400
n3
9.871987108732E+21
n4
2.1177406489626E+29
n5
4.5429814756359E+36
2 √n
4631.6325415559
3 √n
277.85788847916
4 √n
68.056098489084
5 √n
29.261301475347
1 , 2 , 4 , 5 , 10 , 20 , 41 , 82 , 164 , 205 , 410 , 820 , 26161 , 52322 , 104644 , 130805 , 261610 , 523220 , 1072601 , 2145202 , 4290404 , 5363005 , 10726010 , 21452020
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
-21452019
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 21452020 can be divided by 24 positive divisors.
The sum of these divisors (counting 21452020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001110101010011110100
3
Ternary
1111100212122021
4
Quaternary
1101311103310
5
Quinary
20442431040
6
Senary
2043442524
8
Octal
121652364
10
Decimal
21452020
12
Duodecimal
7226444
16
Hexadecimal
14754f4
20
Vigesimal
6e1a10
36
Base36
crshg
md5
bd8986812cde458e1e367347e4675a78
sha1
337d424f20f1146a265b0bf38bf734ef1e71ae04
sha256
f0a68b5818e7edadc2d8e30d0f27d8cc5f24fccd1c4315b8f3244530b1f91931
sha512
b8f964750c8b42fa17dab191145b64944a4aa015070d58338c20a9ebbd596669e61e497b014bc71c6105e0eb512b2398f80a78eba0f1950e6218706b387d045e
ripemd-160
bdb4398cb558055cec938aa91e953a3460518651
Diameter
42904040
Circumference
134787016.87332
Area
1.4457268908534E+15
Volume
4.1351682902834E+22
Surface area
5.7829075634137E+15
Circumference
134787016.87332
Perimeter
85808080
Area
460189162080400
Diagonal
30337737.624299
Surface area
2761134972482400
Volume
9.871987108732E+21
Space diagonal
37155988.564984
Perimeter
64356060
Area
1.9926775245395E+14
Altitude
18577994.282492
Surface area
1.9926775245395E+14
Volume
1.1634248380618E+21
Height
10112579.2081