21297430 is an even 8-digits composite number following 21297429
and preceding 21297431 . In scientific notation, it is written as 2.1297430 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 6243840 positive integers (up to 21297430) that are relatively prime to 21297430.
21297430 has 32 divisors, whose sum is 44073216
The reverse of 21297430 is 03479212
Previous prime number is 187
Is Prime? no Number parity even Number length 8 Sum of Digits 28 Digital Root 1
Name
twenty-one million two hundred ninety-seven thousand four hundred thirty
Scientific notation
2.1297430 × 10^7
Engineering notation
2.1297430 × 10^6
Prime Factorization
2 × 7 × 5 × 187 × 1627
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
21297430 Product of the distinct prime numbers
The prime factorization of 21297430 is 2 × 7 × 5 × 187 × 1627.
Since it has a total of 5 prime factors.
10 , 9 , 66 , 31 , 213 , 400 , 5304 , 4587 , 56305 , 9222 , 205007 , 564102 , 9418743 , 9219528 , 11919475 , 70358561 , 72563025 , 343937491 , 6634730459 , 1387886428
n×2
42594860
n×3
63892290
n×4
85189720
n×5
106487150
n÷2
10648715
n÷3
7099143.3333333
n÷3
5324357.5
n÷5
4259486
n2
453580524604900
n3
9.6600994721361E+21
n4
2.0573529230086E+29
n5
4.381632986307E+36
2 √n4614.9138670185
3 √n277.1888349947
4 √n67.933157346163
5 √n29.21900615418
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 187 , 374 , 935 , 1309 , 1627 , 1870 , 2618 , 3254 , 6545 , 8135 , 11389 , 13090 , 16270 , 22778 , 56945 , 113890 , 304249 , 608498 , 1521245 , 2129743 , 3042490 , 4259486 , 10648715 , 21297430
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
-21297429 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 21297430 can be divided by 32 positive divisors.
The sum of these divisors (counting 21297430) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001001111100100010110
3
Ternary
1111002000120201
4
Quaternary
1101033210112
5
Quinary
20423004210
6
Senary
2040251114
8
Octal
121174426
10
Decimal
21297430
12
Duodecimal
7170a9a
16
Hexadecimal
144f916
20
Vigesimal
6d23ba
36
Base36
coh7a
md5
62cd2220536336f61e7122d09feb74e2
sha1
7b1704c828f865a405ed9583c971e84446cdf353
sha256
0cb917bd898ff6bca6313aec1145638d1e33d991b4a5807e723b6f755efc36f7
sha512
40d6f462b8d351f9363a10241724f384f40e738404567c627e5e26baea6690534b7e45b8cb4a8cc6b5b1ac3ce58e704d9bb91ed3c78141c14046f04624e96540
ripemd-160
cfb06ddf91f921db86a3d7cd34419f31c27c74b3
Diameter
42594860
Circumference
133815699.25669
Area
1.4249652439102E+15
Volume
4.0464130046146E+22
Surface area
5.6998609756406E+15
Circumference
133815699.25669
Perimeter
85189720
Area
453580524604900
Diagonal
30119114.349692
Surface area
2721483147629400
Volume
9.6600994721361E+21
Space diagonal
36888230.830642
Perimeter
63892290
Area
1.9640612848486E+14
Altitude
18444115.415321
Surface area
1.9640612848486E+14
Volume
1.138453640614E+21
Height
10039704.783231