21492289 is an odd 8-digits composite number following 21492288
and preceding 21492290 . In scientific notation, it is written as 2.1492289 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 16832448 positive integers (up to 21492289) that are relatively prime to 21492289.
21492289 has 16 divisors, whose sum is 26720512
The reverse of 21492289 is 98229412
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-two thousand two hundred eighty-nine
Scientific notation
2.1492289 × 10^7
Engineering notation
2.1492289 × 10^6
Prime Factorization
7 × 13 × 103 × 2293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492289
Product of the distinct prime numbers
The prime factorization of 21492289 is 7 × 13 × 103 × 2293.
Since it has a total of 4 prime factors.
6 , 10 , 78 , 9 , 773 , 583 , 4924 , 1424 , 87280 , 95593 , 618843 , 985693 , 5676186 , 9482138 , 19222673 , 51456424 , 949914769 , 85780208 , 4374069176 , 5983428827
n×2
42984578
n×3
64476867
n×4
85969156
n×5
107461445
n÷2
10746144.5
n÷3
7164096.3333333
n÷3
5373072.25
n÷5
4298457.8
n2
461918486459521
n3
9.9276856054306E+21
n4
2.1336868813305E+29
n5
4.5857815089065E+36
2 √n
4635.9776746658
3 √n
278.03164158591
4 √n
68.088014177723
5 √n
29.272278899207
1 , 7 , 13 , 91 , 103 , 721 , 1339 , 2293 , 9373 , 16051 , 29809 , 208663 , 236179 , 1653253 , 3070327 , 21492289
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
-21492288
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 21492289 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492289) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111001001000001
3
Ternary
1111102220212201
4
Quaternary
1101333021001
5
Quinary
21000223124
6
Senary
2044353201
8
Octal
121771101
10
Decimal
21492289
12
Duodecimal
7245801
16
Hexadecimal
147f241
20
Vigesimal
6e6ae9
36
Base36
csnk1
md5
2ddbaa2c2ab36517b67acfbff2575d7d
sha1
f3908e3034b7c450c982d7f547b1107d985a480f
sha256
6e8525da4f8f38cf015451c6bef61c0a0bb96bef39e47ee0c98699f16eb1dedc
sha512
cda93452376270f62471d74cb74a0d4a33f8ce89e946b6d4f453313955ad3789bed6ad72ade8b8b912f4d1abf876ea2e68fed50f95da442e627d258492ae0a55
ripemd-160
cdce4106a6c7564329fd7e0992f098f09e22af1e
Diameter
42984578
Circumference
135040034.46246
Area
1.4511597236185E+15
Volume
4.1584992220227E+22
Surface area
5.8046388944742E+15
Circumference
135040034.46246
Perimeter
85969156
Area
461918486459521
Diagonal
30394686.590242
Surface area
2771510918757126
Volume
9.9276856054306E+21
Space diagonal
37225736.518954
Perimeter
64476867
Area
2.000165718758E+14
Altitude
18612868.259477
Surface area
2.000165718758E+14
Volume
1.169988968848E+21
Height
10131562.196747