21498839 is an odd 8-digits composite number following 21498838
and preceding 21498840 . In scientific notation, it is written as 2.1498839 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 20998824 positive integers (up to 21498839) that are relatively prime to 21498839.
21498839 has 4 divisors, whose sum is 21998856
The reverse of 21498839 is 93889412
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million four hundred ninety-eight thousand eight hundred thirty-nine
Scientific notation
2.1498839 × 10^7
Engineering notation
2.1498839 × 10^6
Prime Factorization
43 × 499973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21498839
Product of the distinct prime numbers
The prime factorization of 21498839 is 43 × 499973.
Since it has a total of 2 prime factors.
10 , 1 , 28 , 99 , 202 , 10 , 352 , 7812 , 83505 , 54901 , 946627 , 449861 , 6254678 , 8242054 , 6051402 , 79294865 , 316951509 , 78496293 , 2870906152 , 6426211116
n×2
42997678
n×3
64496517
n×4
85995356
n×5
107494195
n÷2
10749419.5
n÷3
7166279.6666667
n÷3
5374709.75
n÷5
4299767.8
n2
462200078347921
n3
9.9367650701893E+21
n4
2.1362891242482E+29
n5
4.5927735939664E+36
2 √n
4636.684052208
3 √n
278.05988306798
4 √n
68.093201218683
5 √n
29.274062888413
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
-21498838
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 21498839 can be divided by 4 positive divisors.
The sum of these divisors (counting 21498839) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000101111010111
3
Ternary
1111110020212022
4
Quaternary
1102000233113
5
Quinary
21000430324
6
Senary
2044443355
8
Octal
122005727
10
Decimal
21498839
12
Duodecimal
724955b
16
Hexadecimal
1480bd7
20
Vigesimal
6e771j
36
Base36
csslz
md5
62c3160053d542c72b8f0846ab53b3c4
sha1
b8dac317b05bf57fc312c5fff5c246c2602bb075
sha256
756551754bd85ba7a66a0a426dbda1854d0be53cb0ae23c6edbbd7d9a383aa0f
sha512
b3a07d288e6b3b572f9de7a8ed33f9fc96375d7e388bbc0b06d96e4a0f2ab293b7d9f9653100824a47eb380cd33a03836e2e66cbc606723bc2d260f95d1ff0d3
ripemd-160
da63390d1e7d0f9b4f7af3f70965a398da56efa1
Diameter
42997678
Circumference
135081189.32622
Area
1.4520443706265E+15
Volume
4.1623024193273E+22
Surface area
5.8081774825058E+15
Circumference
135081189.32622
Perimeter
85995356
Area
462200078347921
Diagonal
30403949.689076
Surface area
2773200470087526
Volume
9.9367650701893E+21
Space diagonal
37237081.451743
Perimeter
64496517
Area
2.0013850474023E+14
Altitude
18618540.725872
Surface area
2.0013850474023E+14
Volume
1.1710589940314E+21
Height
10134649.896359