21054955 is an odd 8-digits composite number following 21054954
and preceding 21054956 . In scientific notation, it is written as 2.1054955 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 16826208 positive integers (up to 21054955) that are relatively prime to 21054955.
21054955 has 8 divisors, whose sum is 25292592
The reverse of 21054955 is 55945012
Previous prime number is 1373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million fifty-four thousand nine hundred fifty-five
Scientific notation
2.1054955 × 10^7
Engineering notation
2.1054955 × 10^6
Prime Factorization
5 × 1373 × 3067
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21054955
Product of the distinct prime numbers
The prime factorization of 21054955 is 5 × 1373 × 3067.
Since it has a total of 3 prime factors.
3 , 8 , 7 , 92 , 251 , 989 , 8374 , 6854 , 7346 , 61550 , 113128 , 713745 , 7326226 , 4804792 , 58292309 , 5997929 , 871049754 , 16352633 , 3112601632 , 8184084169
n×2
42109910
n×3
63164865
n×4
84219820
n×5
105274775
n÷2
10527477.5
n÷3
7018318.3333333
n÷3
5263738.75
n÷5
4210991
n2
443311130052025
n3
9.3338958942445E+21
n4
1.96524758028E+29
n5
4.1378199366655E+36
2 √n
4588.5678593653
3 √n
276.1328694073
4 √n
67.738968543707
5 √n
29.152168364531
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21054954
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21054955 can be divided by 8 positive divisors.
The sum of these divisors (counting 21054955) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010100010111101011
3
Ternary
1110121200222011
4
Quaternary
1100110113223
5
Quinary
20342224310
6
Senary
2031140351
8
Octal
120242753
10
Decimal
21054955
12
Duodecimal
70746b7
16
Hexadecimal
14145eb
20
Vigesimal
6bbh7f
36
Base36
cja3v
md5
3d32c0170b5c2e55c844b2443c9dfc8d
sha1
3c1817b791073dc12beafac914f33815a9ee4d59
sha256
b3f07ed22368a88f5fa23ae1bc5cbc653549ce8923d546262f4430fb05a532cf
sha512
91c882c808a02d593222fdde1d3428c8a1ac71fe705a48859b223efe333311e5c0acb5317d2d34ec3d591724a9f6aa0d8ab3f9855f7f2aee1b62749d7d8be9a0
ripemd-160
49343017215ceb01503c0830fe8be646c2807472
Diameter
42109910
Circumference
132292183.89933
Area
1.392702989426E+15
Volume
3.9097731694307E+22
Surface area
5.5708119577041E+15
Circumference
132292183.89933
Perimeter
84219820
Area
443311130052025
Diagonal
29776202.916155
Surface area
2659866780312150
Volume
9.3338958942445E+21
Space diagonal
36468251.811076
Perimeter
63164865
Area
1.9195935020272E+14
Altitude
18234125.905538
Surface area
1.9195935020272E+14
Volume
1.1000101802849E+21
Height
9925400.9720517