21554420 is an even 8-digits composite number following 21554419
and preceding 21554421 . In scientific notation, it is written as 2.1554420 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 8621760 positive integers (up to 21554420) that are relatively prime to 21554420.
21554420 has 12 divisors, whose sum is 45264324
The reverse of 21554420 is 02445512
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million five hundred fifty-four thousand four hundred twenty
Scientific notation
2.1554420 × 10^7
Engineering notation
2.1554420 × 10^6
Prime Factorization
2 × 2 × 5 × 1077721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10777210
Product of the distinct prime numbers
The prime factorization of 21554420 is 2 × 2 × 5 × 1077721.
Since it has a total of 4 prime factors.
8 , 6 , 33 , 50 , 945 , 583 , 2770 , 8755 , 9579 , 74459 , 561967 , 485909 , 7834790 , 5148468 , 17610021 , 27527043 , 231182486 , 606755750 , 7206079940 , 6448225279
n×2
43108840
n×3
64663260
n×4
86217680
n×5
107772100
n÷2
10777210
n÷3
7184806.6666667
n÷3
5388605
n÷5
4310884
n2
464593021536400
n3
1.0014033115265E+22
n4
2.1584667566032E+29
n5
4.6524499027864E+36
2 √n
4642.6737985777
3 √n
278.29929982552
4 √n
68.137168994446
5 √n
29.289183720709
1 , 2 , 4 , 5 , 10 , 20 , 1077721 , 2155442 , 4310884 , 5388605 , 10777210 , 21554420
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21554419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21554420 can be divided by 12 positive divisors.
The sum of these divisors (counting 21554420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001110010011110100
3
Ternary
1111120002002212
4
Quaternary
1102032103310
5
Quinary
21004220140
6
Senary
2045552552
8
Octal
122162364
10
Decimal
21554420
12
Duodecimal
7275758
16
Hexadecimal
148e4f4
20
Vigesimal
6ee610
36
Base36
ctzhw
md5
8aa2b7a1683dcd0a5fc147c4c4018569
sha1
1063b9fe43703bed0d3a2c141ecf0c3bf8d092f9
sha256
88f0c6d135a5d021dc4a949f3c676d72b15165c293ad26665658181c76058d3d
sha512
ec6c5fb1672ce8ee0bf543a19685bb2c4c1be8e2dbf2a6cabed0aca611963079f91644661353a1bacb4a0a09373c2a6c71d7a3c7c1d7e03969e70c435895cccf
ripemd-160
ec256864a5ab68929be52dab1319555390375120
Diameter
43108840
Circumference
135430415.04878
Area
1.4595620233678E+15
Volume
4.1946683823627E+22
Surface area
5.8382480934714E+15
Circumference
135430415.04878
Perimeter
86217680
Area
464593021536400
Diagonal
30482553.093086
Surface area
2787558129218400
Volume
1.0014033115265E+22
Space diagonal
37333350.567679
Perimeter
64663260
Area
2.0117467953575E+14
Altitude
18666675.283839
Surface area
2.0117467953575E+14
Volume
1.1801651204717E+21
Height
10160851.031029