21553888 is an even 8-digits composite number following 21553887
and preceding 21553889 . In scientific notation, it is written as 2.1553888 × 10^7.
The sum of its digits is 40. It has a total of 7 prime factors and 24 positive divisors.
There are 10750080 positive integers (up to 21553888) that are relatively prime to 21553888.
21553888 has 24 divisors, whose sum is 42540120
The reverse of 21553888 is 88835512
Previous prime number is 661
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million five hundred fifty-three thousand eight hundred eighty-eight
Scientific notation
2.1553888 × 10^7
Engineering notation
2.1553888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 661 × 1019
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1347118
Product of the distinct prime numbers
The prime factorization of 21553888 is 2 × 2 × 2 × 2 × 2 × 661 × 1019.
Since it has a total of 7 prime factors.
5 , 6 , 95 , 32 , 873 , 490 , 9532 , 8286 , 64263 , 3503 , 65584 , 89748 , 3749276 , 4928550 , 4771547 , 70580927 , 754371920 , 958392548 , 5857471203 , 7648526628
n×2
43107776
n×3
64661664
n×4
86215552
n×5
107769440
n÷2
10776944
n÷3
7184629.3333333
n÷3
5388472
n÷5
4310777.6
n2
464570087916544
n3
1.0013291643103E+22
n4
2.1582536658679E+29
n5
4.6518757789705E+36
2 √n
4642.6165036539
3 √n
278.29701017224
4 √n
68.136748555049
5 √n
29.289039137839
1 , 2 , 4 , 8 , 16 , 32 , 661 , 1019 , 1322 , 2038 , 2644 , 4076 , 5288 , 8152 , 10576 , 16304 , 21152 , 32608 , 673559 , 1347118 , 2694236 , 5388472 , 10776944 , 21553888
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
-21553887
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 21553888 can be divided by 24 positive divisors.
The sum of these divisors (counting 21553888) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010001110001011100000
3
Ternary
1111120001101011
4
Quaternary
1102032023200
5
Quinary
21004211023
6
Senary
2045550304
8
Octal
122161340
10
Decimal
21553888
12
Duodecimal
7275394
16
Hexadecimal
148e2e0
20
Vigesimal
6ee4e8
36
Base36
ctz34
md5
cc93aff548971a11b9e7102c2843334b
sha1
bc8a170c8925094170aa0e547850ae0cd1ea0aae
sha256
79112d50a20746e8a9f1dab4fa79abb9a39b77098f47f5ff08e179a471bc57fd
sha512
b93c041f912d99dc0599d83fdb3acbd37123217282cec254b65729a7404845c89eed73320c2b1fa5e30a725df991a7b5cad6cc91b81c449e0a178d6034688371
ripemd-160
baf74265d7056c4b589df8bf96b096d431314365
Diameter
43107776
Circumference
135427072.39419
Area
1.4594899752762E+15
Volume
4.1943577952301E+22
Surface area
5.8379599011047E+15
Circumference
135427072.39419
Perimeter
86215552
Area
464570087916544
Diagonal
30481800.731471
Surface area
2787420527499264
Volume
1.0013291643103E+22
Space diagonal
37332429.116649
Perimeter
64661664
Area
2.0116474898705E+14
Altitude
18666214.558325
Surface area
2.0116474898705E+14
Volume
1.1800777371395E+21
Height
10160600.243824