21549072 is an even 8-digits composite number following 21549071
and preceding 21549073 . In scientific notation, it is written as 2.1549072 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 7183008 positive integers (up to 21549072) that are relatively prime to 21549072.
21549072 has 20 divisors, whose sum is 55668560
The reverse of 21549072 is 27094512
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred forty-nine thousand seventy-two
Scientific notation
2.1549072 × 10^7
Engineering notation
2.1549072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 448939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2693634
Product of the distinct prime numbers
The prime factorization of 21549072 is 2 × 2 × 2 × 2 × 3 × 448939.
Since it has a total of 6 prime factors.
5 , 9 , 55 , 76 , 423 , 310 , 8995 , 2378 , 47954 , 42649 , 536413 , 372194 , 8669536 , 8804212 , 24705539 , 81109013 , 731918116 , 432085101 , 657952459 , 1159118695
n×2
43098144
n×3
64647216
n×4
86196288
n×5
107745360
n÷2
10774536
n÷3
7183024
n÷3
5387268
n÷5
4309814.4
n2
464362504061184
n3
1.0006581034115E+22
n4
2.1563253517797E+29
n5
4.6466810260927E+36
2 √n
4642.097801641
3 √n
278.2762810701
4 √n
68.132942117899
5 √n
29.28773015246
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 448939 , 897878 , 1346817 , 1795756 , 2693634 , 3591512 , 5387268 , 7183024 , 10774536 , 21549072
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
-21549071
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 21549072 can be divided by 20 positive divisors.
The sum of these divisors (counting 21549072) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010010001101000000010000
3
Ternary
1111112210202210
4
Quaternary
1102031000100
5
Quinary
21004032242
6
Senary
2045512120
8
Octal
122150020
10
Decimal
21549072
12
Duodecimal
7272640
16
Hexadecimal
148d010
20
Vigesimal
6edcdc
36
Base36
ctvdc
md5
6911c087b4b469d1b060aba33c6953de
sha1
a8b31bafd5e97a567ab13c6cbbf1a67a82362e0c
sha256
85f98bffdce64f2f883e856e5e373b3791ac4f1b85db82f833ac70685cbd642d
sha512
a1db811153e8cd17ba92a8d5dfcf3e7cfac871755f356dbdd3caeb50ac79ada62ffec484304f6e6e899985263f8bbc168f9c4a582bce115f5ad0ba4b62a35ed7
ripemd-160
083d70bc403d8c7b925d7e43ece6c167a22248a0
Diameter
43098144
Circumference
135396812.57376
Area
1.4588378313612E+15
Volume
4.1915468619101E+22
Surface area
5.8353513254447E+15
Circumference
135396812.57376
Perimeter
86196288
Area
464362504061184
Diagonal
30474989.878954
Surface area
2786175024367104
Volume
1.0006581034115E+22
Space diagonal
37324087.55996
Perimeter
64647216
Area
2.0107486254097E+14
Altitude
18662043.77998
Surface area
2.0107486254097E+14
Volume
1.1792868842859E+21
Height
10158329.959651