21554490 is an even 8-digits composite number following 21554489
and preceding 21554491 . In scientific notation, it is written as 2.1554490 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5729984 positive integers (up to 21554490) that are relatively prime to 21554490.
21554490 has 32 divisors, whose sum is 51891840
The reverse of 21554490 is 09445512
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred fifty-four thousand four hundred ninety
Scientific notation
2.1554490 × 10^7
Engineering notation
2.1554490 × 10^6
Prime Factorization
2 × 3 × 5 × 389 × 1847
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21554490
Product of the distinct prime numbers
The prime factorization of 21554490 is 2 × 3 × 5 × 389 × 1847.
Since it has a total of 5 prime factors.
2 , 2 , 2 , 97 , 83 , 248 , 2878 , 613 , 9611 , 2201 , 837512 , 844263 , 312290 , 5773484 , 69327472 , 8552193 , 213810315 , 132888103 , 9203949380 , 6984114139
n×2
43108980
n×3
64663470
n×4
86217960
n×5
107772450
n÷2
10777245
n÷3
7184830
n÷3
5388622.5
n÷5
4310898
n2
464596039160100
n3
1.0014130680116E+22
n4
2.1584947960325E+29
n5
4.6525254496135E+36
2 √n
4642.6813373308
3 √n
278.29960109289
4 √n
68.13722431484
5 √n
29.289202744558
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 389 , 778 , 1167 , 1847 , 1945 , 2334 , 3694 , 3890 , 5541 , 5835 , 9235 , 11082 , 11670 , 18470 , 27705 , 55410 , 718483 , 1436966 , 2155449 , 3592415 , 4310898 , 7184830 , 10777245 , 21554490
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21554489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21554490 can be divided by 32 positive divisors.
The sum of these divisors (counting 21554490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001110010100111010
3
Ternary
1111120002012110
4
Quaternary
1102032110322
5
Quinary
21004220430
6
Senary
2045553150
8
Octal
122162472
10
Decimal
21554490
12
Duodecimal
72757b6
16
Hexadecimal
148e53a
20
Vigesimal
6ee64a
36
Base36
ctzju
md5
04ee5990004ca504d13c66e597f78523
sha1
d2322465d447d9ba8d4f65cfdf23d9e5d731ca70
sha256
1a23ba8cbfa3d26635efa0ba8843dbd9620a4487f48c578b69cfa9192a644f69
sha512
67777a9790883f672bd1e1e3e6f3ce1cdcae0e5353bee290c6e62413675572bd463aef55a2d7687de9f1b6d8d069da998ae3b494b814283e32dc0af546f78fa8
ripemd-160
8d565e5fbe57f66221c48950114eb09dbf9477d6
Diameter
43108980
Circumference
135430854.87175
Area
1.4595715035123E+15
Volume
4.1947092502321E+22
Surface area
5.8382860140491E+15
Circumference
135430854.87175
Perimeter
86217960
Area
464596039160100
Diagonal
30482652.088035
Surface area
2787576234960600
Volume
1.0014130680116E+22
Space diagonal
37333471.811235
Perimeter
64663470
Area
2.0117598620514E+14
Altitude
18666735.905618
Surface area
2.0117598620514E+14
Volume
1.1801766185997E+21
Height
10160884.029345