21497743 is an odd 8-digits composite number following 21497742
and preceding 21497744 . In scientific notation, it is written as 2.1497743 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 21155040 positive integers (up to 21497743) that are relatively prime to 21497743.
21497743 has 8 divisors, whose sum is 21843360
The reverse of 21497743 is 34779412
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-seven thousand seven hundred forty-three
Scientific notation
2.1497743 × 10^7
Engineering notation
2.1497743 × 10^6
Prime Factorization
167 × 109 × 1181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21497743
Product of the distinct prime numbers
The prime factorization of 21497743 is 167 × 109 × 1181.
Since it has a total of 3 prime factors.
2 , 2 , 32 , 42 , 570 , 133 , 5759 , 6774 , 91393 , 39756 , 553689 , 659176 , 3865223 , 3194572 , 59112510 , 37675640 , 732848178 , 746672395 , 212347060 , 9620932249
n×2
42995486
n×3
64493229
n×4
85990972
n×5
107488715
n÷2
10748871.5
n÷3
7165914.3333333
n÷3
5374435.75
n÷5
4299548.6
n2
462152954094049
n3
9.9352454338047E+21
n4
2.1358535297786E+29
n5
4.5916030268822E+36
2 √n
4636.5658627911
3 √n
278.05515787001
4 √n
68.092333362803
5 √n
29.273764406925
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497742
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497743 can be divided by 8 positive divisors.
The sum of these divisors (counting 21497743) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000000011110001111
3
Ternary
1111110012100201
4
Quaternary
1102000132033
5
Quinary
21000411433
6
Senary
2044434331
8
Octal
122003617
10
Decimal
21497743
12
Duodecimal
72489a7
16
Hexadecimal
148078f
20
Vigesimal
6e7473
36
Base36
csrrj
md5
fe240adb796276dfdeaabd7dd40ec86b
sha1
465f0f161bb57a596de11f7db6f70756be4917ad
sha256
312e1147c472c6b464032b0a5b287535ba4dc6da79f330765ae590fc833be708
sha512
163f1fa1be324cd39bae0f0a9a7199e8740f5b544d325db42e0b76a096abb4aafb97527ee195b2fd1c03eea281ee82ac045fef71d00feebfb28c23ea670c4fe5
ripemd-160
3225de86769bbf77b38a90c21e58bdb739803ca3
Diameter
42995486
Circumference
135074302.95512
Area
1.4518963254167E+15
Volume
4.161665875527E+22
Surface area
5.8075853016667E+15
Circumference
135074302.95512
Perimeter
85990972
Area
462152954094049
Diagonal
30402399.711011
Surface area
2772917724564294
Volume
9.9352454338047E+21
Space diagonal
37235183.124058
Perimeter
64493229
Area
2.0011809933973E+14
Altitude
18617591.562029
Surface area
2.0011809933973E+14
Volume
1.170879903166E+21
Height
10134133.237004