21849904 is an even 8-digits composite number following 21849903
and preceding 21849905 . In scientific notation, it is written as 2.1849904 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 10887552 positive integers (up to 21849904) that are relatively prime to 21849904.
21849904 has 20 divisors, whose sum is 42479176
The reverse of 21849904 is 40994812
Previous prime number is 313
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million eight hundred forty-nine thousand nine hundred four
Scientific notation
2.1849904 × 10^7
Engineering notation
2.1849904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 313 × 4363
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2731238
Product of the distinct prime numbers
The prime factorization of 21849904 is 2 × 2 × 2 × 2 × 313 × 4363.
Since it has a total of 6 prime factors.
10 , 6 , 14 , 92 , 697 , 608 , 6231 , 6537 , 54593 , 3995 , 103311 , 953859 , 5518877 , 9220645 , 40878427 , 75210485 , 206657381 , 713364599 , 7576706609 , 6387858473
n×2
43699808
n×3
65549712
n×4
87399616
n×5
109249520
n÷2
10924952
n÷3
7283301.3333333
n÷3
5462476
n÷5
4369980.8
n2
477418304809216
n3
1.0431544127924E+22
n4
2.2792823776691E+29
n5
4.9802101140961E+36
2 √n
4674.3880882956
3 √n
279.56524367006
4 √n
68.369496767898
5 √n
29.369050541111
1 , 2 , 4 , 8 , 16 , 313 , 626 , 1252 , 2504 , 4363 , 5008 , 8726 , 17452 , 34904 , 69808 , 1365619 , 2731238 , 5462476 , 10924952 , 21849904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21849903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21849904 can be divided by 20 positive divisors.
The sum of these divisors (counting 21849904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010011010110011100110000
3
Ternary
1112010002102201
4
Quaternary
1103112130300
5
Quinary
21043144104
6
Senary
2100152544
8
Octal
123263460
10
Decimal
21849904
12
Duodecimal
7398754
16
Hexadecimal
14d6730
20
Vigesimal
6gb4f4
36
Base36
d0bhs
md5
721c9f8345274b58cfcf8e02c2c3dc42
sha1
f2a1b7eb01408c3a17b082bafc5fd95129ca4225
sha256
12957e9af69bd4ecd806edeedfb15deaea5c7682d5ca4964d73012a9ecd1c5eb
sha512
d2c0d78d58775da4e968919be507c1ade3922b431c1c49518d0631aaa0025fbb203d8b0e42ff87aa73eaaaa4726aa3157720edb62de0854f6ebb2ab8a85f3a2f
ripemd-160
fca8f591fbae6b6f3d8899e51e035c7086d1395b
Diameter
43699808
Circumference
137286995.77608
Area
1.4998538390779E+15
Volume
4.3695549863845E+22
Surface area
5.9994153563117E+15
Circumference
137286995.77608
Perimeter
87399616
Area
477418304809216
Diagonal
30900430.57335
Surface area
2864509828855296
Volume
1.0431544127924E+22
Space diagonal
37845143.868502
Perimeter
65549712
Area
2.0672819009824E+14
Altitude
18922571.934251
Surface area
2.0672819009824E+14
Volume
1.2293692651836E+21
Height
10300143.52445