21054925 is an odd 8-digits composite number following 21054924
and preceding 21054926 . In scientific notation, it is written as 2.1054925 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 15671040 positive integers (up to 21054925) that are relatively prime to 21054925.
21054925 has 16 divisors, whose sum is 25857792
The reverse of 21054925 is 52945012
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million fifty-four thousand nine hundred twenty-five
Scientific notation
2.1054925 × 10^7
Engineering notation
2.1054925 × 10^6
Prime Factorization
5 × 85 × 107 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21054925
Product of the distinct prime numbers
The prime factorization of 21054925 is 5 × 85 × 107 × 463.
Since it has a total of 4 prime factors.
2 , 7 , 55 , 55 , 84 , 56 , 5641 , 4492 , 29251 , 71600 , 431127 , 517597 , 7421932 , 8082059 , 64036789 , 30618849 , 449193407 , 482841942 , 1244874458 , 7228328980
n×2
42109850
n×3
63164775
n×4
84219700
n×5
105274625
n÷2
10527462.5
n÷3
7018308.3333333
n÷3
5263731.25
n÷5
4210985
n2
443309866755625
n3
9.3338559962997E+21
n4
1.9652363796289E+29
n5
4.1377904580358E+36
2 √n
4588.5645903703
3 √n
276.1327382586
4 √n
67.738944414349
5 √n
29.152160057075
1 , 5 , 85 , 107 , 425 , 463 , 535 , 2315 , 9095 , 39355 , 45475 , 49541 , 196775 , 247705 , 4210985 , 21054925
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21054924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21054925 can be divided by 16 positive divisors.
The sum of these divisors (counting 21054925) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010100010111001101
3
Ternary
1110121200221001
4
Quaternary
1100110113031
5
Quinary
20342224200
6
Senary
2031140301
8
Octal
120242715
10
Decimal
21054925
12
Duodecimal
7074691
16
Hexadecimal
14145cd
20
Vigesimal
6bbh65
36
Base36
cja31
md5
15a0e67e9af1df6de8560e1038f61603
sha1
5b3cf874f942d9cf48151476554a3a6caadf5e71
sha256
2724eced28b4d977947afd23b12811db48d11e495653f7abf089de7b9fcb424c
sha512
43260787668c9db245af53c115568ae7de104c3d6e56b924d782a4b5e92fe86b1d73c8e2a9e5a0e96a7a9625f40313d01d9ecd5e3098d464cdbeb61d06924d08
ripemd-160
3063483b1ac753ef741c41120b05d5578d3c46d5
Diameter
42109850
Circumference
132291995.40377
Area
1.3926990206633E+15
Volume
3.9097564570187E+22
Surface area
5.5707960826534E+15
Circumference
132291995.40377
Perimeter
84219700
Area
443309866755625
Diagonal
29776160.489748
Surface area
2659859200533750
Volume
9.3338559962997E+21
Space diagonal
36468199.849552
Perimeter
63164775
Area
1.9195880317933E+14
Altitude
18234099.924776
Surface area
1.9195880317933E+14
Volume
1.100005478267E+21
Height
9925386.8299161