21495973 is an odd 8-digits composite number following 21495972
and preceding 21495974 . In scientific notation, it is written as 2.1495973 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 18835200 positive integers (up to 21495973) that are relatively prime to 21495973.
21495973 has 16 divisors, whose sum is 24373440
The reverse of 21495973 is 37959412
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety-five thousand nine hundred seventy-three
Scientific notation
2.1495973 × 10^7
Engineering notation
2.1495973 × 10^6
Prime Factorization
61 × 17 × 19 × 1091
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21495973
Product of the distinct prime numbers
The prime factorization of 21495973 is 61 × 17 × 19 × 1091.
Since it has a total of 4 prime factors.
2 , 7 , 28 , 69 , 24 , 36 , 6150 , 7716 , 62692 , 7751 , 542540 , 571016 , 8336544 , 3708016 , 68333130 , 14961488 , 746710707 , 173159827 , 6830038563 , 7478492541
n×2
42991946
n×3
64487919
n×4
85983892
n×5
107479865
n÷2
10747986.5
n÷3
7165324.3333333
n÷3
5373993.25
n÷5
4299194.6
n2
462076855216729
n3
9.9327916036637E+21
n4
2.1351502012698E+29
n5
4.5897131077441E+36
2 √n
4636.3749848346
3 √n
278.04752650863
4 √n
68.09093173716
5 √n
29.27328234451
1 , 17 , 19 , 61 , 323 , 1037 , 1091 , 1159 , 18547 , 19703 , 20729 , 66551 , 352393 , 1131367 , 1264469 , 21495973
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
-21495972
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 21495973 can be divided by 16 positive divisors.
The sum of these divisors (counting 21495973) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000000000010100101
3
Ternary
1111110002221011
4
Quaternary
1102000002211
5
Quinary
21000332343
6
Senary
2044422221
8
Octal
122000245
10
Decimal
21495973
12
Duodecimal
7247971
16
Hexadecimal
14800a5
20
Vigesimal
6e6jid
36
Base36
csqed
md5
a96be253a429dc0c0ff70ffcf981e3a8
sha1
f05b70f1d006c0fbc8587ef73f69def7ce4f34f7
sha256
5504659913f451baa382d85a830e0b89807449d1c2a917de274e47538d504efc
sha512
1358e6da9ea126ba7cf3565d0da736def174a0c0f486e235ef5e6bea67ee0df88038dc6c8d62b2e2629359b886330a4287f28111117dc451a71fadf8d6403601
ripemd-160
68140ddab85825e44e28f80f82cca51ee4425087
Diameter
42991946
Circumference
135063181.71713
Area
1.4516572537428E+15
Volume
4.1606380175611E+22
Surface area
5.806629014971E+15
Circumference
135063181.71713
Perimeter
85983892
Area
462076855216729
Diagonal
30399896.553006
Surface area
2772461131300374
Volume
9.9327916036637E+21
Space diagonal
37232117.394129
Perimeter
64487919
Area
2.0008514755926E+14
Altitude
18616058.697064
Surface area
2.0008514755926E+14
Volume
1.1705907165106E+21
Height
10133298.851002