21492028 is an even 8-digits composite number following 21492027
and preceding 21492029 . In scientific notation, it is written as 2.1492028 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 10278752 positive integers (up to 21492028) that are relatively prime to 21492028.
21492028 has 12 divisors, whose sum is 39246480
The reverse of 21492028 is 82029412
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred ninety-two thousand twenty-eight
Scientific notation
2.1492028 × 10^7
Engineering notation
2.1492028 × 10^6
Prime Factorization
2 × 2 × 23 × 233609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10746014
Product of the distinct prime numbers
The prime factorization of 21492028 is 2 × 2 × 23 × 233609.
Since it has a total of 4 prime factors.
7 , 2 , 76 , 57 , 597 , 468 , 3846 , 9722 , 50823 , 28790 , 183586 , 902700 , 3510656 , 4872651 , 68073613 , 86554843 , 568011191 , 304677889 , 1579277903 , 9791341862
n×2
42984056
n×3
64476084
n×4
85968112
n×5
107460140
n÷2
10746014
n÷3
7164009.3333333
n÷3
5373007
n÷5
4298405.6
n2
461907267552784
n3
9.9273239276479E+21
n4
2.1335832381808E+29
n5
4.5855030695312E+36
2 √n
4635.9495251782
3 √n
278.03051611943
4 √n
68.087807463438
5 √n
29.272207802992
1 , 2 , 4 , 23 , 46 , 92 , 233609 , 467218 , 934436 , 5373007 , 10746014 , 21492028
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
-21492027
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 21492028 can be divided by 12 positive divisors.
The sum of these divisors (counting 21492028) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111000100111100
3
Ternary
1111102220112001
4
Quaternary
1101333010330
5
Quinary
21000221103
6
Senary
2044352044
8
Octal
121770474
10
Decimal
21492028
12
Duodecimal
7245624
16
Hexadecimal
147f13c
20
Vigesimal
6e6a18
36
Base36
csncs
md5
53db9aff10bf7d324a8a9e1549f103a8
sha1
236b5dcc3e9404c27d24144469c6897bfdcb2d71
sha256
af113e2b2f7599f23747380e5e9d92dcdeca48a7cc1f2738aac2c481b97bc0a3
sha512
3a1877954e40d26af286d02e4884c47e270a0626b702dee0cc62851bcf95453e788db6b48dedac2760094638cd40f4d0f856617b487b3a886ecf0f71c5b10eb8
ripemd-160
2f3ec56d9e9cf92a3b4a27509f6590472c9e4751
Diameter
42984056
Circumference
135038394.55109
Area
1.4511244783836E+15
Volume
4.1583477227873E+22
Surface area
5.8044979135342E+15
Circumference
135038394.55109
Perimeter
85968112
Area
461907267552784
Diagonal
30394317.480502
Surface area
2771443605316704
Volume
9.9273239276479E+21
Space diagonal
37225284.453693
Perimeter
64476084
Area
2.0001171394668E+14
Altitude
18612642.226846
Surface area
2.0001171394668E+14
Volume
1.1699463447126E+21
Height
10131439.160167