21492040 is an even 8-digits composite number following 21492039
and preceding 21492041 . In scientific notation, it is written as 2.1492040 × 10^7.
The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors.
There are 8144064 positive integers (up to 21492040) that are relatively prime to 21492040.
21492040 has 32 divisors, whose sum is 50904000
The reverse of 21492040 is 04029412
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million four hundred ninety-two thousand forty
Scientific notation
2.1492040 × 10^7
Engineering notation
2.1492040 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 19 × 28279
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5373010
Product of the distinct prime numbers
The prime factorization of 21492040 is 2 × 2 × 2 × 5 × 19 × 28279.
Since it has a total of 6 prime factors.
10 , 10 , 48 , 4 , 470 , 563 , 6247 , 8549 , 86861 , 5133 , 840636 , 84555 , 5964342 , 5369264 , 67266870 , 79427108 , 517909130 , 308198728 , 1858696852 , 2389702027
n×2
42984080
n×3
64476120
n×4
85968160
n×5
107460200
n÷2
10746020
n÷3
7164013.3333333
n÷3
5373010
n÷5
4298408
n2
461907783361600
n3
9.9273405563188E+21
n4
2.1335880033003E+29
n5
4.5855158710449E+36
2 √n
4635.9508194113
3 √n
278.03056786522
4 √n
68.087816967584
5 √n
29.272211071799
1 , 2 , 4 , 5 , 8 , 10 , 19 , 20 , 38 , 40 , 76 , 95 , 152 , 190 , 380 , 760 , 28279 , 56558 , 113116 , 141395 , 226232 , 282790 , 537301 , 565580 , 1074602 , 1131160 , 2149204 , 2686505 , 4298408 , 5373010 , 10746020 , 21492040
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492039
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492040 can be divided by 32 positive divisors.
The sum of these divisors (counting 21492040) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111000101001000
3
Ternary
1111102220112111
4
Quaternary
1101333011020
5
Quinary
21000221130
6
Senary
2044352104
8
Octal
121770510
10
Decimal
21492040
12
Duodecimal
7245634
16
Hexadecimal
147f148
20
Vigesimal
6e6a20
36
Base36
csnd4
md5
11b3a206051ef12ecd870021fbe8bee6
sha1
b8af7968c0d557bc845bdb299614fc7dc2d9c563
sha256
2c38702dfb7e286dae004f9166ad51c1df6f1fcedc01e2e9d595df3a6bfdaeea
sha512
5e56cc41dbe86efff8aae02a864ea761ab1b0b7db56798dff1266328a6cf05d352355842eb8ba473ecb40237b5230ead6b2c6b8f767d77856e0b8f660f436474
ripemd-160
e6179c3e98300f0f4bfbd5c7141a333296c8eb41
Diameter
42984080
Circumference
135038469.94932
Area
1.4511260988447E+15
Volume
4.1583546881887E+22
Surface area
5.804504395379E+15
Circumference
135038469.94932
Perimeter
85968160
Area
461907783361600
Diagonal
30394334.451065
Surface area
2771446700169600
Volume
9.9273405563188E+21
Space diagonal
37225305.238303
Perimeter
64476120
Area
2.0001193729845E+14
Altitude
18612652.619151
Surface area
2.0001193729845E+14
Volume
1.1699483044202E+21
Height
10131444.817022