21492030 is an even 8-digits composite number following 21492029
and preceding 21492031 . In scientific notation, it is written as 2.1492030 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 4817280 positive integers (up to 21492030) that are relatively prime to 21492030.
21492030 has 16 divisors, whose sum is 33176304
The reverse of 21492030 is 03029412
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million four hundred ninety-two thousand thirty
Scientific notation
2.1492030 × 10^7
Engineering notation
2.1492030 × 10^6
Prime Factorization
2 × 105 × 53 × 1931
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492030
Product of the distinct prime numbers
The prime factorization of 21492030 is 2 × 105 × 53 × 1931.
Since it has a total of 4 prime factors.
7 , 4 , 37 , 10 , 209 , 496 , 1606 , 5970 , 73584 , 67668 , 168904 , 639878 , 9467499 , 3162896 , 75668003 , 53744455 , 600054958 , 18666568 , 3835076763 , 6437365963
n×2
42984060
n×3
64476090
n×4
85968120
n×5
107460150
n÷2
10746015
n÷3
7164010
n÷3
5373007.5
n÷5
4298406
n2
461907353520900
n3
9.9273266990918E+21
n4
2.1335840323668E+29
n5
4.5855052031149E+36
2 √n
4635.9497408837
3 √n
278.03052474373
4 √n
68.087809047463
5 √n
29.272208347794
1 , 2 , 53 , 105 , 106 , 210 , 1931 , 3862 , 5565 , 11130 , 102343 , 202755 , 204686 , 405510 , 10746015 , 21492030
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492029
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492030 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492030) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111000100111110
3
Ternary
1111102220112010
4
Quaternary
1101333010332
5
Quinary
21000221110
6
Senary
2044352050
8
Octal
121770476
10
Decimal
21492030
12
Duodecimal
7245626
16
Hexadecimal
147f13e
20
Vigesimal
6e6a1a
36
Base36
csncu
md5
b89f622978ceb7b758289a418a2b33ca
sha1
da9a01234699c4eff0eaf5393a3a5e4d0cf4c324
sha256
c6989aa5fe4e053c2a36a6db99ad59b3aa7e886c77ffa8ae788da5608236e3b5
sha512
afab00cbe4f926bb5ec77c9111aff0aab7b5b6c2c6816eed4d56a4b22149b26e26a9636a6d0340ac0a5001306057cb763bd64feea23fa3f1f90055dd9b5a4330
ripemd-160
057b0cf7077e3e75faf0bc056873065f873f1e8e
Diameter
42984060
Circumference
135038407.11746
Area
1.4511247484604E+15
Volume
4.158348883687E+22
Surface area
5.8044989938415E+15
Circumference
135038407.11746
Perimeter
85968120
Area
461907353520900
Diagonal
30394320.308929
Surface area
2771444121125400
Volume
9.9273266990918E+21
Space diagonal
37225287.917795
Perimeter
64476090
Area
2.0001175117197E+14
Altitude
18612643.958897
Surface area
2.0001175117197E+14
Volume
1.1699466713303E+21
Height
10131440.102976