21492493 is an odd 8-digits composite number following 21492492
and preceding 21492494 . In scientific notation, it is written as 2.1492493 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 19538620 positive integers (up to 21492493) that are relatively prime to 21492493.
21492493 has 4 divisors, whose sum is 23446368
The reverse of 21492493 is 39429412
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-two thousand four hundred ninety-three
Scientific notation
2.1492493 × 10^7
Engineering notation
2.1492493 × 10^6
Prime Factorization
11 × 1953863
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492493
Product of the distinct prime numbers
The prime factorization of 21492493 is 11 × 1953863.
Since it has a total of 2 prime factors.
6 , 10 , 4 , 17 , 671 , 869 , 7494 , 843 , 2803 , 55355 , 472271 , 89989 , 8593839 , 1448940 , 95327663 , 76026630 , 886219446 , 349915078 , 4809154537 , 1319477023
n×2
42984986
n×3
64477479
n×4
85969972
n×5
107462465
n÷2
10746246.5
n÷3
7164164.3333333
n÷3
5373123.25
n÷5
4298498.6
n2
461927255355049
n3
9.9279683022276E+21
n4
2.1337678923985E+29
n5
4.5859991490999E+36
2 √n
4635.9996764452
3 √n
278.03252125451
4 √n
68.088175746198
5 √n
29.27233446818
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492492
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492493 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492493) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111001100001101
3
Ternary
1111102221011021
4
Quaternary
1101333030031
5
Quinary
21000224433
6
Senary
2044354141
8
Octal
121771415
10
Decimal
21492493
12
Duodecimal
7245951
16
Hexadecimal
147f30d
20
Vigesimal
6e6b4d
36
Base36
csnpp
md5
5f6f98c35081120c168b7b3f3735fe27
sha1
e8953f6b9ebbe925dcfbc4f78d4bd655764bd1cc
sha256
d06f306b852418e7560ebb11649aefb182bfee6eb05672b8d53ed4fc0a4206a9
sha512
5c567ac0577414ea82fbcdc089c18c5c1af324a0b647e0fe9d2ab23b27b1d786c2cd8b6b193d01f7f8fc09ad7c0412ae1cb585387d5db82603ba477fd1a25282
ripemd-160
fd630e98af63ee5fec83350cd04d804c7e69c4ca
Diameter
42984986
Circumference
135041316.23226
Area
1.4511872719163E+15
Volume
4.1586176377801E+22
Surface area
5.8047490876653E+15
Circumference
135041316.23226
Perimeter
85969972
Area
461927255355049
Diagonal
30394975.089809
Surface area
2771563532130294
Volume
9.9279683022276E+21
Space diagonal
37226089.857318
Perimeter
64477479
Area
2.0002036891895E+14
Altitude
18613044.928659
Surface area
2.0002036891895E+14
Volume
1.170022284985E+21
Height
10131658.36327