21442854 is an even 8-digits composite number following 21442853
and preceding 21442855 . In scientific notation, it is written as 2.1442854 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6836808 positive integers (up to 21442854) that are relatively prime to 21442854.
21442854 has 16 divisors, whose sum is 44750592
The reverse of 21442854 is 45824412
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred forty-two thousand eight hundred fifty-four
Scientific notation
2.1442854 × 10^7
Engineering notation
2.1442854 × 10^6
Prime Factorization
2 × 3 × 23 × 155383
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21442854
Product of the distinct prime numbers
The prime factorization of 21442854 is 2 × 3 × 23 × 155383.
Since it has a total of 4 prime factors.
8 , 10 , 97 , 50 , 711 , 812 , 6800 , 2038 , 74105 , 19999 , 412671 , 586138 , 2828530 , 1257938 , 29545637 , 91091678 , 576778258 , 680219931 , 2018828269 , 7150695185
n×2
42885708
n×3
64328562
n×4
85771416
n×5
107214270
n÷2
10721427
n÷3
7147618
n÷3
5360713.5
n÷5
4288570.8
n2
459795987665316
n3
9.8593382332932E+21
n4
2.1141235027312E+29
n5
4.5332841607034E+36
2 √n
4630.6429359215
3 √n
277.81830855102
4 √n
68.048827586679
5 √n
29.258800499297
1 , 2 , 3 , 6 , 23 , 46 , 69 , 138 , 155383 , 310766 , 466149 , 932298 , 3573809 , 7147618 , 10721427 , 21442854
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
-21442853
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 21442854 can be divided by 16 positive divisors.
The sum of these divisors (counting 21442854) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110011000100100110
3
Ternary
1111100102001210
4
Quaternary
1101303010212
5
Quinary
20442132404
6
Senary
2043332250
8
Octal
121630446
10
Decimal
21442854
12
Duodecimal
7221086
16
Hexadecimal
1473126
20
Vigesimal
6e072e
36
Base36
crleu
md5
1aff79d93dda08b4493fc0db26f7d955
sha1
67b91f7b98ff082a874093eb7e124639ca2e596f
sha256
b3ef7f023d716e9eb735de8ee8b6e240927a89e5b45b94ee70808a6c8e21cb9f
sha512
a989e8c13b845309eb8baf874cd54a3a231699063129d9b9f998b4f6e2f27e0327db8300b67bbe75a99e01a170022e1499e3dcf5a6e1976e9e0ae93fdad076e7
ripemd-160
214e134969579a67ea3a709b909eecc1399f3fae
Diameter
42885708
Circumference
134729425.1968
Area
1.4444916969994E+15
Volume
4.1298699417294E+22
Surface area
5.7779667879977E+15
Circumference
134729425.1968
Perimeter
85771416
Area
459795987665316
Diagonal
30324774.942786
Surface area
2758775925991896
Volume
9.8593382332932E+21
Space diagonal
37140112.587282
Perimeter
64328562
Area
1.9909750293816E+14
Altitude
18570056.293641
Surface area
1.9909750293816E+14
Volume
1.1619341537956E+21
Height
10108258.314262