21892012 is an even 8-digits composite number following 21892011
and preceding 21892013 . In scientific notation, it is written as 2.1892012 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 10650096 positive integers (up to 21892012) that are relatively prime to 21892012.
21892012 has 12 divisors, whose sum is 39346720
The reverse of 21892012 is 21029812
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million eight hundred ninety-two thousand twelve
Scientific notation
2.1892012 × 10^7
Engineering notation
2.1892012 × 10^6
Prime Factorization
2 × 2 × 37 × 147919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10946006
Product of the distinct prime numbers
The prime factorization of 21892012 is 2 × 2 × 37 × 147919.
Since it has a total of 4 prime factors.
8 , 1 , 43 , 21 , 327 , 894 , 4319 , 767 , 86797 , 66570 , 736703 , 648088 , 9903473 , 3835687 , 17730256 , 11645333 , 536709659 , 954612224 , 3522474496 , 3297547564
n×2
43784024
n×3
65676036
n×4
87568048
n×5
109460060
n÷2
10946006
n÷3
7297337.3333333
n÷3
5473003
n÷5
4378402.4
n2
479260189408144
n3
1.0491969817645E+22
n4
2.2969032915153E+29
n5
5.0283834420692E+36
2 √n
4678.8900393149
3 √n
279.74471630116
4 √n
68.402412525545
5 √n
29.380361527018
1 , 2 , 4 , 37 , 74 , 148 , 147919 , 295838 , 591676 , 5473003 , 10946006 , 21892012
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
-21892011
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 21892012 can be divided by 12 positive divisors.
The sum of these divisors (counting 21892012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011100000101110101100
3
Ternary
1112012020012021
4
Quaternary
1103200232230
5
Quinary
21101021022
6
Senary
2101115524
8
Octal
123405654
10
Decimal
21892012
12
Duodecimal
73b8ba4
16
Hexadecimal
14e0bac
20
Vigesimal
6gga0c
36
Base36
d17zg
md5
1454f2c94ae2bac9c5c625bc454785b1
sha1
6a5f8b27259d7a29830bebde4e6bc1e3d9bb0c4c
sha256
ce8375469fd16cbb4d35cfa2aff5d63c33f5875ad9b706feb49ef9df032bd758
sha512
3ef5159a4590a179c2432f806e07d82af5b3198b75b5c7160427e665c79e08f303b2522aec5a2de83cf76c1f47fbd9be09ff7f2cbe8198016cf86cb6c2407a4a
ripemd-160
e9245491caba64b5f8da5027db4366661608dd56
Diameter
43784024
Circumference
137551568.143
Area
1.5056402902027E+15
Volume
4.3948660401067E+22
Surface area
6.0225611608107E+15
Circumference
137551568.143
Perimeter
87568048
Area
479260189408144
Diagonal
30959980.278035
Surface area
2875561136448864
Volume
1.0491969817645E+22
Space diagonal
37918077.063908
Perimeter
65676036
Area
2.07525749525E+14
Altitude
18959038.531954
Surface area
2.07525749525E+14
Volume
1.2364905010103E+21
Height
10319993.426012