21442395 is an odd 8-digits composite number following 21442394
and preceding 21442396 . In scientific notation, it is written as 2.1442395 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10556160 positive integers (up to 21442395) that are relatively prime to 21442395.
21442395 has 16 divisors, whose sum is 36947232
The reverse of 21442395 is 59324412
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred forty-two thousand three hundred ninety-five
Scientific notation
2.1442395 × 10^7
Engineering notation
2.1442395 × 10^6
Prime Factorization
3 × 13 × 5 × 109961
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21442395
Product of the distinct prime numbers
The prime factorization of 21442395 is 3 × 13 × 5 × 109961.
Since it has a total of 4 prime factors.
3 , 10 , 62 , 73 , 676 , 672 , 5455 , 7672 , 39073 , 38677 , 637299 , 708416 , 4004010 , 3464749 , 54714937 , 28344204 , 515005908 , 569750425 , 9029783549 , 2173756636
n×2
42884790
n×3
64327185
n×4
85769580
n×5
107211975
n÷2
10721197.5
n÷3
7147465
n÷3
5360598.75
n÷5
4288479
n2
459776303336025
n3
9.8587051077709E+21
n4
2.1139424910934E+29
n5
4.5327989901309E+36
2 √n
4630.593374504
3 √n
277.8163262354
4 √n
68.048463425003
5 √n
29.258675237013
1 , 3 , 5 , 13 , 15 , 39 , 65 , 195 , 109961 , 329883 , 549805 , 1429493 , 1649415 , 4288479 , 7147465 , 21442395
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
-21442394
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 21442395 can be divided by 16 positive divisors.
The sum of these divisors (counting 21442395) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110010111101011011
3
Ternary
1111100101102210
4
Quaternary
1101302331123
5
Quinary
20442124040
6
Senary
2043330203
8
Octal
121627533
10
Decimal
21442395
12
Duodecimal
7220963
16
Hexadecimal
1472f5b
20
Vigesimal
6e05jf
36
Base36
crl23
md5
1aa1aae6fc2f23db12363754ac8ac22e
sha1
9e3eada25c568b68cc81ea4323d42893abbf28d5
sha256
f09d0738454661da4e4b6dcbcff1993197352b5e85e2d259586cb7765519a81f
sha512
5899aa3da996dfe465740387ea84870b7fc18c232e22c97e5084c12c07a52ea3b79d3f6b1cf4ed355547503eef11c797924d49632a70501b5eaf0e4c102ad7a1
ripemd-160
e4af3eecb76e0e1fb3bb4bbad9862da04f8734c7
Diameter
42884790
Circumference
134726541.21474
Area
1.4444298568551E+15
Volume
4.1296047387308E+22
Surface area
5.7777194274205E+15
Circumference
134726541.21474
Perimeter
85769580
Area
459776303336025
Diagonal
30324125.818761
Surface area
2758657820016150
Volume
9.8587051077709E+21
Space diagonal
37139317.575961
Perimeter
64327185
Area
1.9908897937355E+14
Altitude
18569658.78798
Surface area
1.9908897937355E+14
Volume
1.1618595392372E+21
Height
10108041.939587