21497782 is an even 8-digits composite number following 21497781
and preceding 21497783 . In scientific notation, it is written as 2.1497782 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 10738152 positive integers (up to 21497782) that are relatively prime to 21497782.
21497782 has 8 divisors, whose sum is 32278896
The reverse of 21497782 is 28779412
Previous prime number is 1117
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety-seven thousand seven hundred eighty-two
Scientific notation
2.1497782 × 10^7
Engineering notation
2.1497782 × 10^6
Prime Factorization
2 × 1117 × 9623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21497782
Product of the distinct prime numbers
The prime factorization of 21497782 is 2 × 1117 × 9623.
Since it has a total of 3 prime factors.
8 , 9 , 10 , 38 , 754 , 300 , 1070 , 7956 , 77133 , 65218 , 797752 , 451446 , 295387 , 9857915 , 33881008 , 6136417 , 153027844 , 207334083 , 5175700577 , 3753443343
n×2
42995564
n×3
64493346
n×4
85991128
n×5
107488910
n÷2
10748891
n÷3
7165927.3333333
n÷3
5374445.5
n÷5
4299556.4
n2
462154630919524
n3
9.9352995057984E+21
n4
2.1358690288036E+29
n5
4.5916446761772E+36
2 √n
4636.5700684881
3 √n
278.05532601394
4 √n
68.092364245106
5 √n
29.273775028282
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
-21497781
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 21497782 can be divided by 8 positive divisors.
The sum of these divisors (counting 21497782) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000000011110110110
3
Ternary
1111110012102011
4
Quaternary
1102000132312
5
Quinary
21000412112
6
Senary
2044434434
8
Octal
122003666
10
Decimal
21497782
12
Duodecimal
7248a1a
16
Hexadecimal
14807b6
20
Vigesimal
6e7492
36
Base36
csrsm
md5
4a321a3ba62d9e6bc3305250af756c39
sha1
ad45ee7b3864a114a5d513683a037266f061a366
sha256
815f3a6a4d1a1b72cf71282d3d22c8188067ab20076d387aa9eba2ec37834af1
sha512
abe44061d8c27d164dc7fb097d73c261c58a2888bd7207df3553e2cb406a21b042fb62c49d797e6170f5c443d1b3fc4b2c34306f84fe9092d4ed2e090bccb6f2
ripemd-160
6c2970b5710cf659382d5b8baee56e01e126bc6b
Diameter
42995564
Circumference
135074547.99935
Area
1.4519015933193E+15
Volume
4.1616885251507E+22
Surface area
5.8076063732771E+15
Circumference
135074547.99935
Perimeter
85991128
Area
462154630919524
Diagonal
30402454.86534
Surface area
2772927785517144
Volume
9.9352995057984E+21
Space diagonal
37235250.67404
Perimeter
64493346
Area
2.0011882542646E+14
Altitude
18617625.33702
Surface area
2.0011882542646E+14
Volume
1.1708862756116E+21
Height
10134151.62178