21554730 is an even 8-digits composite number following 21554729
and preceding 21554731 . In scientific notation, it is written as 2.1554730 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5703264 positive integers (up to 21554730) that are relatively prime to 21554730.
21554730 has 16 divisors, whose sum is 33307680
The reverse of 21554730 is 03745512
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million five hundred fifty-four thousand seven hundred thirty
Scientific notation
2.1554730 × 10^7
Engineering notation
2.1554730 × 10^6
Prime Factorization
2 × 45 × 139 × 1723
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21554730
Product of the distinct prime numbers
The prime factorization of 21554730 is 2 × 45 × 139 × 1723.
Since it has a total of 4 prime factors.
7 , 3 , 33 , 43 , 230 , 59 , 5424 , 7779 , 79339 , 71140 , 153475 , 705954 , 9897840 , 2642757 , 62596352 , 14614474 , 709715990 , 563074607 , 3026070698 , 6275902408
n×2
43109460
n×3
64664190
n×4
86218920
n×5
107773650
n÷2
10777365
n÷3
7184910
n÷3
5388682.5
n÷5
4310946
n2
464606385372900
n3
1.0014465192989E+22
n4
2.1585909332927E+29
n5
4.6527844747573E+36
2 √n
4642.7071843915
3 √n
278.30063400461
4 √n
68.137413983739
5 √n
29.28926796881
1 , 2 , 45 , 90 , 139 , 278 , 1723 , 3446 , 6255 , 12510 , 77535 , 155070 , 239497 , 478994 , 10777365 , 21554730
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
-21554729
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 21554730 can be divided by 16 positive divisors.
The sum of these divisors (counting 21554730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001110011000101010
3
Ternary
1111120002112100
4
Quaternary
1102032120222
5
Quinary
21004222410
6
Senary
2045554230
8
Octal
122163052
10
Decimal
21554730
12
Duodecimal
7275976
16
Hexadecimal
148e62a
20
Vigesimal
6ee6ga
36
Base36
ctzqi
md5
62852161a8091f2b36703cfc0deb53ae
sha1
76289d899759c0b84447c0025a2053dfedca6108
sha256
949388f8f915a50dac3db16a0d261a9a891ef7cf2a6d2f5012c4ad97e754d1d8
sha512
536d796d7b353ef31e1e1ebad57172d81374177d7638760e63411ef15fc1956e62c983623e59be2fe44369f14db81574756c6caf40d5041cfd13e0ea7c89fd5a
ripemd-160
494acfcf0f353d402c63f76e7cc869a8deb3ddae
Diameter
43109460
Circumference
135432362.83622
Area
1.4596040070984E+15
Volume
4.1948493706566E+22
Surface area
5.8384160283936E+15
Circumference
135432362.83622
Perimeter
86218920
Area
464606385372900
Diagonal
30482991.49929
Surface area
2787638312237400
Volume
1.0014465192989E+22
Space diagonal
37333887.503429
Perimeter
64664190
Area
2.011804662467E+14
Altitude
18666943.751715
Surface area
2.011804662467E+14
Volume
1.1802160413198E+21
Height
10160997.16643