21497826 is an even 8-digits composite number following 21497825
and preceding 21497827 . In scientific notation, it is written as 2.1497826 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 5780736 positive integers (up to 21497826) that are relatively prime to 21497826.
21497826 has 32 divisors, whose sum is 52030080
The reverse of 21497826 is 62879412
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-seven thousand eight hundred twenty-six
Scientific notation
2.1497826 × 10^7
Engineering notation
2.1497826 × 10^6
Prime Factorization
2 × 7 × 3 × 17 × 30109
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21497826
Product of the distinct prime numbers
The prime factorization of 21497826 is 2 × 7 × 3 × 17 × 30109.
Since it has a total of 5 prime factors.
7 , 9 , 50 , 9 , 463 , 525 , 8919 , 3999 , 34214 , 4460 , 679951 , 718780 , 9330080 , 3908605 , 4883221 , 67630310 , 630109043 , 175757019 , 5690157467 , 813745480
n×2
42995652
n×3
64493478
n×4
85991304
n×5
107489130
n÷2
10748913
n÷3
7165942
n÷3
5374456.5
n÷5
4299565.2
n2
462156522726276
n3
9.9353605103345E+21
n4
2.1358865149844E+29
n5
4.5916916654882E+36
2 √n
4636.5748133725
3 √n
278.05551571453
4 √n
68.092399086627
5 √n
29.273787011333
1 , 2 , 3 , 6 , 7 , 14 , 17 , 21 , 34 , 42 , 51 , 102 , 119 , 238 , 357 , 714 , 30109 , 60218 , 90327 , 180654 , 210763 , 421526 , 511853 , 632289 , 1023706 , 1264578 , 1535559 , 3071118 , 3582971 , 7165942 , 10748913 , 21497826
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
-21497825
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 21497826 can be divided by 32 positive divisors.
The sum of these divisors (counting 21497826) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000000011111100010
3
Ternary
1111110012110210
4
Quaternary
1102000133202
5
Quinary
21000412301
6
Senary
2044434550
8
Octal
122003742
10
Decimal
21497826
12
Duodecimal
7248a56
16
Hexadecimal
14807e2
20
Vigesimal
6e74b6
36
Base36
csrtu
md5
be991421915e95b5497048682b3f16f9
sha1
cf1fa4576981772ff6d67a681451eaad2e171c3a
sha256
01156bae80157e7737b54695467262a5fbe9923410cd1d5ee5d5a9b5d7639e96
sha512
1f13b45a7728038307114ed20dbc121c76b9c7e94a504d8a58333c13c7be0b1a2817187d715efd916266d65c953ee79c604bdb3770330210ff4ea9bfb219ecc9
ripemd-160
1d1a8393be13112b9a63fd68b7569c3436c40273
Diameter
42995652
Circumference
135074824.4595
Area
1.4519075366055E+15
Volume
4.1617140786711E+22
Surface area
5.8076301464219E+15
Circumference
135074824.4595
Perimeter
85991304
Area
462156522726276
Diagonal
30402517.090737
Surface area
2772939136357656
Volume
9.9353605103345E+21
Space diagonal
37235326.884275
Perimeter
64493478
Area
2.0011964460282E+14
Altitude
18617663.442138
Surface area
2.0011964460282E+14
Volume
1.1708934650651E+21
Height
10134172.363579