21549892 is an even 8-digits composite number following 21549891
and preceding 21549893 . In scientific notation, it is written as 2.1549892 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 8398080 positive integers (up to 21549892) that are relatively prime to 21549892.
21549892 has 24 divisors, whose sum is 40742912
The reverse of 21549892 is 29894512
Previous prime number is 511
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million five hundred forty-nine thousand eight hundred ninety-two
Scientific notation
2.1549892 × 10^7
Engineering notation
2.1549892 × 10^6
Prime Factorization
2 × 2 × 811 × 511 × 13
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10774946
Product of the distinct prime numbers
The prime factorization of 21549892 is 2 × 2 × 811 × 511 × 13.
Since it has a total of 5 prime factors.
5 , 8 , 44 , 27 , 828 , 108 , 2933 , 8763 , 32693 , 59063 , 534734 , 234109 , 4254363 , 1598265 , 28707287 , 52469994 , 424458773 , 857522579 , 4496979104 , 7695042852
n×2
43099784
n×3
64649676
n×4
86199568
n×5
107749460
n÷2
10774946
n÷3
7183297.3333333
n÷3
5387473
n÷5
4309978.4
n2
464397845211664
n3
1.0007723409344E+22
n4
2.1566535863724E+29
n5
4.6475651867737E+36
2 √n
4642.1861229382
3 √n
278.27981074501
4 √n
68.133590268958
5 √n
29.287953044408
1 , 2 , 4 , 13 , 26 , 52 , 511 , 811 , 1022 , 1622 , 2044 , 3244 , 6643 , 10543 , 13286 , 21086 , 26572 , 42172 , 414421 , 828842 , 1657684 , 5387473 , 10774946 , 21549892
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
-21549891
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 21549892 can be divided by 24 positive divisors.
The sum of these divisors (counting 21549892) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010001101001101000100
3
Ternary
1111112211220011
4
Quaternary
1102031031010
5
Quinary
21004044032
6
Senary
2045520004
8
Octal
122151504
10
Decimal
21549892
12
Duodecimal
7273004
16
Hexadecimal
148d344
20
Vigesimal
6edeec
36
Base36
ctw04
md5
83dcebc716cc6b6ee3d8565126a7a359
sha1
77529f2f1a38235fbaa08e5f11b71e4a83ee42fb
sha256
5b25b2ef8d52f32bef631f2bff3fbc81489678980ff177bddbfb638365aaa36e
sha512
fbc70ed94d85675bb55623384fcca44f4291fab2e53ba08ac0f331eaa02f73109a6a4f7b7a81b645dd5cbf6a22d0565dc0d87e645977b7295784bbc845cfdc7e
ripemd-160
399f16c1296d6b8725f352839c2042b9a81e7f28
Diameter
43099784
Circumference
135401964.78571
Area
1.4589488588599E+15
Volume
4.1920253789272E+22
Surface area
5.8357954354396E+15
Circumference
135401964.78571
Perimeter
86199568
Area
464397845211664
Diagonal
30476149.534075
Surface area
2786387071269984
Volume
1.0007723409344E+22
Space diagonal
37325507.841622
Perimeter
64649676
Area
2.0109016570803E+14
Altitude
18662753.920811
Surface area
2.0109016570803E+14
Volume
1.1794215144978E+21
Height
10158716.511358