21497783 is an odd 8-digits prime number following 21497782
and preceding 21497784 . In scientific notation, it is written as 2.1497783 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 21497782 positive integers (up to 21497783) that are relatively prime to 21497783.
21497783 has 2 divisors, whose sum is 21497784
The reverse of 21497783 is 38779412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 41 Digital Root 5
Name
twenty-one million four hundred ninety-seven thousand seven hundred eighty-three
Scientific notation
2.1497783 × 10^7
Engineering notation
2.1497783 × 10^6
Prime Factorization
21497783
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21497783 Product of the distinct prime numbers
The prime factorization of 21497783 is 21497783.
Since it has a total of 1 prime factors.
5 , 4 , 72 , 81 , 748 , 417 , 3936 , 2081 , 1088 , 15071 , 234834 , 696163 , 8687230 , 1403390 , 69342534 , 55885497 , 913148163 , 423278472 , 8738108235 , 2654511714
n×2
42995566
n×3
64493349
n×4
85991132
n×5
107488915
n÷2
10748891.5
n÷3
7165927.6666667
n÷3
5374445.75
n÷5
4299556.6
n2
462154673915089
n3
9.9353008922623E+21
n4
2.1358694262156E+29
n5
4.5916457441118E+36
2 √n4636.5701763265
3 √n278.05533032532
4 √n68.092365036959
5 √n29.273775300624
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21497784 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10748892 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.5702841648 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069672 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497783 can be divided by 2 positive divisors.
The sum of these divisors (counting 21497783) is 21497784, the average is 10748892.
Base
System
Value
2
Binary
1010010000000011110110111
3
Ternary
1111110012102012
4
Quaternary
1102000132313
5
Quinary
21000412113
6
Senary
2044434435
8
Octal
122003667
10
Decimal
21497783
12
Duodecimal
7248a1b
16
Hexadecimal
14807b7
20
Vigesimal
6e7493
36
Base36
csrsn
md5
b8d32552693d81ba1107e5425413791e
sha1
6af693ca236ea838e481b28ad6029841ab67ad8c
sha256
1a82e74dc9e3fbf2a958101a83eb065d88f20a80673ba9e1ae78305c757282f6
sha512
2b0e185083bfbf03ab0337e54c3ad01047dac3939c3d4fa6c5e90e7a7a78d2f5fa36e20c9c30a625ce30ca79f448a1443f361bb97ca8f680ecdf0a1d10ad7ca4
ripemd-160
7b15ed60aa854db08de69c480a9c0a518748d677
Diameter
42995566
Circumference
135074554.28254
Area
1.4519017283938E+15
Volume
4.1616891059114E+22
Surface area
5.8076069135753E+15
Circumference
135074554.28254
Perimeter
85991132
Area
462154673915089
Diagonal
30402456.279554
Surface area
2772928043490534
Volume
9.9353008922623E+21
Space diagonal
37235252.40609
Perimeter
64493349
Area
2.0011884404409E+14
Altitude
18617626.203045
Surface area
2.0011884404409E+14
Volume
1.1708864390079E+21
Height
10134152.093185