21497960 is an even 8-digits composite number following 21497959
and preceding 21497961 . In scientific notation, it is written as 2.1497960 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors.
There are 7817280 positive integers (up to 21497960) that are relatively prime to 21497960.
21497960 has 32 divisors, whose sum is 52768800
The reverse of 21497960 is 06979412
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-seven thousand nine hundred sixty
Scientific notation
2.1497960 × 10^7
Engineering notation
2.1497960 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 11 × 48859
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5374490
Product of the distinct prime numbers
The prime factorization of 21497960 is 2 × 2 × 2 × 5 × 11 × 48859.
Since it has a total of 6 prime factors.
1 , 9 , 8 , 24 , 885 , 504 , 8414 , 6653 , 55133 , 3382 , 780000 , 238878 , 8660476 , 9397397 , 91330983 , 49198600 , 859397856 , 42268550 , 3315170812 , 1629739210
n×2
42995920
n×3
64493880
n×4
85991840
n×5
107489800
n÷2
10748980
n÷3
7165986.6666667
n÷3
5374490
n÷5
4299592
n2
462162284161600
n3
9.9355462984147E+21
n4
2.1359397690147E+29
n5
4.5918347716687E+36
2 √n
4636.5892636722
3 √n
278.05609343747
4 √n
68.092505194567
5 √n
29.273823505048
1 , 2 , 4 , 5 , 8 , 10 , 11 , 20 , 22 , 40 , 44 , 55 , 88 , 110 , 220 , 440 , 48859 , 97718 , 195436 , 244295 , 390872 , 488590 , 537449 , 977180 , 1074898 , 1954360 , 2149796 , 2687245 , 4299592 , 5374490 , 10748980 , 21497960
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
-21497959
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 21497960 can be divided by 32 positive divisors.
The sum of these divisors (counting 21497960) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000000100001101000
3
Ternary
1111110012122202
4
Quaternary
1102000201220
5
Quinary
21000413320
6
Senary
2044435332
8
Octal
122004150
10
Decimal
21497960
12
Duodecimal
7248b48
16
Hexadecimal
1480868
20
Vigesimal
6e74i0
36
Base36
csrxk
md5
ae027d657765d48a6d93901939eb9f39
sha1
8f2164b1fd52d942b0bdaaaa44d60bebbbb25fdc
sha256
27328119a7973ef3db8df6aa8ec3ebbb1bcbb4d1d96deefb7d1383e9e4c5e0c9
sha512
29137c2829968da20272c458a8fa2127df8f0efa74e6febde526945da53ef62369367f6a35fd51b81cb705b931912f0a84984e5f72b2e324196a2380ae6254b3
ripemd-160
fa44e023caf2e084269ac52f06a8c97a834a08f6
Diameter
42995920
Circumference
135075666.40633
Area
1.4519256366884E+15
Volume
4.1617919014001E+22
Surface area
5.8077025467534E+15
Circumference
135075666.40633
Perimeter
85991840
Area
462162284161600
Diagonal
30402706.595354
Surface area
2772973704969600
Volume
9.9355462984147E+21
Space diagonal
37235558.979083
Perimeter
64493880
Area
2.0012213937749E+14
Altitude
18617779.489542
Surface area
2.0012213937749E+14
Volume
1.1709153604003E+21
Height
10134235.531785