21486908 is an even 8-digits composite number following 21486907
and preceding 21486909 . In scientific notation, it is written as 2.1486908 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 10743452 positive integers (up to 21486908) that are relatively prime to 21486908.
21486908 has 6 divisors, whose sum is 37602096
The reverse of 21486908 is 80968412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred eighty-six thousand nine hundred eight
Scientific notation
2.1486908 × 10^7
Engineering notation
2.1486908 × 10^6
Prime Factorization
2 × 2 × 5371727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10743454
Product of the distinct prime numbers
The prime factorization of 21486908 is 2 × 2 × 5371727.
Since it has a total of 3 prime factors.
1 , 2 , 36 , 3 , 374 , 372 , 2732 , 6114 , 34599 , 35845 , 592571 , 867208 , 4504739 , 1341580 , 18269594 , 51074641 , 430194523 , 675663867 , 1835943499 , 3207372535
n×2
42973816
n×3
64460724
n×4
85947632
n×5
107434540
n÷2
10743454
n÷3
7162302.6666667
n÷3
5371727
n÷5
4297381.6
n2
461687215400464
n3
9.920230722086E+21
n4
2.1315508486423E+29
n5
4.58004369821E+36
2 √n
4635.3972861018
3 √n
278.00843616033
4 √n
68.083751997828
5 √n
29.270812978943
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21486907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21486908 can be divided by 6 positive divisors.
The sum of these divisors (counting 21486908) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010001111101110100111100
3
Ternary
1111102122111102
4
Quaternary
1101331310330
5
Quinary
21000040113
6
Senary
2044312232
8
Octal
121756474
10
Decimal
21486908
12
Duodecimal
7242678
16
Hexadecimal
147dd3c
20
Vigesimal
6e5h58
36
Base36
csjek
md5
0c697ab3c65466ddc283a91d24861574
sha1
c40d2588fc96c032ae262b4c12945b1940d782e0
sha256
c74ca1ba59ac1e1929e1d6d360dbde787c67800411b9fb05dab83195259eedcd
sha512
1fd66a8991e5a2fd84939b927381cfd8bcc5c7c96682fb63ff22a4701171a51b1194a056a634ce26f63f4e33ca7d36693ca19492320e1a2e073fa5ef571195cd
ripemd-160
21c07f802c1e2397d014d66c616a866f6907542c
Diameter
42973816
Circumference
135006224.64232
Area
1.4504331641584E+15
Volume
4.1553765277895E+22
Surface area
5.8017326566337E+15
Circumference
135006224.64232
Perimeter
85947632
Area
461687215400464
Diagonal
30387076.707063
Surface area
2770123292402784
Volume
9.920230722086E+21
Space diagonal
37216416.353558
Perimeter
64460724
Area
1.9991642856965E+14
Altitude
18608208.176779
Surface area
1.9991642856965E+14
Volume
1.1691104024203E+21
Height
10129025.569021