21384311 is an odd 8-digits composite number following 21384310
and preceding 21384312 . In scientific notation, it is written as 2.1384311 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 19739352 positive integers (up to 21384311) that are relatively prime to 21384311.
21384311 has 4 divisors, whose sum is 23029272
The reverse of 21384311 is 11348312
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million three hundred eighty-four thousand three hundred eleven
Scientific notation
2.1384311 × 10^7
Engineering notation
2.1384311 × 10^6
Prime Factorization
13 × 1644947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21384311
Product of the distinct prime numbers
The prime factorization of 21384311 is 13 × 1644947.
Since it has a total of 2 prime factors.
5 , 6 , 99 , 1 , 912 , 674 , 4645 , 7097 , 83116 , 92156 , 928532 , 298397 , 8969732 , 4071239 , 29902667 , 55270985 , 546905897 , 460382019 , 3391938511 , 2645402809
n×2
42768622
n×3
64152933
n×4
85537244
n×5
106921555
n÷2
10692155.5
n÷3
7128103.6666667
n÷3
5346077.75
n÷5
4276862.2
n2
457288756944721
n3
9.7788049953093E+21
n4
2.0911300722805E+29
n5
4.4717375807098E+36
2 √n
4624.3173550266
3 √n
277.56524613574
4 √n
68.002333452806
5 √n
29.242806624224
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
-21384310
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 21384311 can be divided by 4 positive divisors.
The sum of these divisors (counting 21384311) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100100110001110111
3
Ternary
1111020102202112
4
Quaternary
1101210301313
5
Quinary
20433244221
6
Senary
2042201235
8
Octal
121446167
10
Decimal
21384311
12
Duodecimal
71b321b
16
Hexadecimal
1464c77
20
Vigesimal
6dd0fb
36
Base36
cqc8n
md5
d84b32ac27763601ef13a015a2b6a8cf
sha1
1d4a568a8f40c0ee0ea5b90c0700f47df513fb57
sha256
95b218c3ed1be0d2470adda18d37f728501e9c7ced5cd11b5d9dcdd30dbc7d7a
sha512
7211e95941b0991abf1255b2688957aae2a6f29f58b6df54ed62e39ae6d4d0c293304252b7d4d0893a52ca25b389bbb4f39b5adea92d00527e82e92c96a407b6
ripemd-160
3d1b3b25ec15a8848b5c3cbcf85fcc2167bbac55
Diameter
42768622
Circumference
134361588.67936
Area
1.4366149993867E+15
Volume
4.0961362578868E+22
Surface area
5.746459997547E+15
Circumference
134361588.67936
Perimeter
85537244
Area
457288756944721
Diagonal
30241982.638204
Surface area
2743732541668326
Volume
9.7788049953093E+21
Space diagonal
37038713.136854
Perimeter
64152933
Area
1.9801184018957E+14
Altitude
18519356.568427
Surface area
1.9801184018957E+14
Volume
1.1524432206807E+21
Height
10080660.879401