21049655 is an odd 8-digits composite number following 21049654
and preceding 21049656 . In scientific notation, it is written as 2.1049655 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 14072320 positive integers (up to 21049655) that are relatively prime to 21049655.
21049655 has 16 divisors, whose sum is 23224320
The reverse of 21049655 is 55694012
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million forty-nine thousand six hundred fifty-five
Scientific notation
2.1049655 × 10^7
Engineering notation
2.1049655 × 10^6
Prime Factorization
55 × 47 × 17 × 479
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21049655
Product of the distinct prime numbers
The prime factorization of 21049655 is 55 × 47 × 17 × 479.
Since it has a total of 4 prime factors.
8 , 5 , 99 , 62 , 356 , 74 , 2702 , 5424 , 20613 , 832 , 331533 , 65674 , 68148 , 9941950 , 16508119 , 63199779 , 744554356 , 695458663 , 3077001158 , 3390038851
n×2
42099310
n×3
63148965
n×4
84198620
n×5
105248275
n÷2
10524827.5
n÷3
7016551.6666667
n÷3
5262413.75
n÷5
4209931
n2
443087975619025
n3
9.3268490214289E+21
n4
1.9632695413817E+29
n5
4.1326146518092E+36
2 √n
4587.9903007744
3 √n
276.10969787002
4 √n
67.734705290378
5 √n
29.150700567029
1 , 17 , 47 , 55 , 479 , 799 , 935 , 2585 , 8143 , 22513 , 26345 , 43945 , 382721 , 447865 , 1238215 , 21049655
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
-21049654
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 21049655 can be divided by 16 positive divisors.
The sum of these divisors (counting 21049655) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010011000100110111
3
Ternary
1110121102200212
4
Quaternary
1100103010313
5
Quinary
20342042110
6
Senary
2031100035
8
Octal
120230467
10
Decimal
21049655
12
Duodecimal
707161b
16
Hexadecimal
1413137
20
Vigesimal
6bb42f
36
Base36
cj60n
md5
1b2f865a23db3918a12cbad325deae83
sha1
a7716edb47dbd03f65914055e2935116f363bcdc
sha256
616bd75d92bd504431406b848473b69de4769d459ca7295807089740f18a793e
sha512
fe79f2d7f5d91bc5a8d3b466088ae7a9c53e5d3701750011d6bd6af0583e326c1df5a56f6d2b43d7c34b60f996945a7b1909834a0b1f00c6fc68a776a1451b3c
ripemd-160
ebf5875044cf07cce7f29e3f370516a8a867b39b
Diameter
42099310
Circumference
132258883.0172
Area
1.3920019290987E+15
Volume
3.9068213822483E+22
Surface area
5.5680077163948E+15
Circumference
132258883.0172
Perimeter
84198620
Area
443087975619025
Diagonal
29768707.584275
Surface area
2658527853714150
Volume
9.3268490214289E+21
Space diagonal
36459071.941796
Perimeter
63148965
Area
1.9186272149875E+14
Altitude
18229535.970898
Surface area
1.9186272149875E+14
Volume
1.0991796983592E+21
Height
9922902.5280915