21554428 is an even 8-digits composite number following 21554427
and preceding 21554429 . In scientific notation, it is written as 2.1554428 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 9199344 positive integers (up to 21554428) that are relatively prime to 21554428.
21554428 has 24 divisors, whose sum is 43287552
The reverse of 21554428 is 82445512
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred fifty-four thousand four hundred twenty-eight
Scientific notation
2.1554428 × 10^7
Engineering notation
2.1554428 × 10^6
Prime Factorization
2 × 2 × 7 × 263 × 2927
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10777214
Product of the distinct prime numbers
The prime factorization of 21554428 is 2 × 2 × 7 × 263 × 2927.
Since it has a total of 5 prime factors.
1 , 8 , 95 , 44 , 278 , 553 , 9893 , 8957 , 86709 , 72327 , 645552 , 215427 , 8911741 , 1324873 , 49658404 , 99615579 , 960699749 , 756388719 , 9171092380 , 314201543
n×2
43108856
n×3
64663284
n×4
86217712
n×5
107772140
n÷2
10777214
n÷3
7184809.3333333
n÷3
5388607
n÷5
4310885.6
n2
464593366407184
n3
1.0014044265501E+22
n4
2.1584699610956E+29
n5
4.6524585366598E+36
2 √n
4642.6746601501
3 √n
278.29933425611
4 √n
68.137175316784
5 √n
29.289185894866
1 , 2 , 4 , 7 , 14 , 28 , 263 , 526 , 1052 , 1841 , 2927 , 3682 , 5854 , 7364 , 11708 , 20489 , 40978 , 81956 , 769801 , 1539602 , 3079204 , 5388607 , 10777214 , 21554428
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21554427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21554428 can be divided by 24 positive divisors.
The sum of these divisors (counting 21554428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010001110010011111100
3
Ternary
1111120002010011
4
Quaternary
1102032103330
5
Quinary
21004220203
6
Senary
2045553004
8
Octal
122162374
10
Decimal
21554428
12
Duodecimal
7275764
16
Hexadecimal
148e4fc
20
Vigesimal
6ee618
36
Base36
ctzi4
md5
b1c24d85af304c45a5d718c64f42c8da
sha1
a3c9dcf230be89ccf23055b23f387a9de24d28a6
sha256
3bd2f0237e47e9227691306eaf78717df9a22d6031d20af102962094fc117ca0
sha512
6ad273ac5d1993ebab73c716e56764b9ab374e8b84fa66bb93986dcacf8ec0fc142008d70730bc112957d07369c2fa6acfbfa4af96f9d291007418a0bbace5d5
ripemd-160
a76cc5433f5684c55a70034c1f40272727d2c17c
Diameter
43108856
Circumference
135430465.31426
Area
1.4595631068114E+15
Volume
4.1946730529629E+22
Surface area
5.8382524272454E+15
Circumference
135430465.31426
Perimeter
86217712
Area
464593366407184
Diagonal
30482564.406794
Surface area
2787560198443104
Volume
1.0014044265501E+22
Space diagonal
37333364.424085
Perimeter
64663284
Area
2.0117482886918E+14
Altitude
18666682.212043
Surface area
2.0117482886918E+14
Volume
1.1801664345397E+21
Height
10160854.802265