21054881 is an odd 8-digits prime number following 21054880
and preceding 21054882 . In scientific notation, it is written as 2.1054881 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21054880 positive integers (up to 21054881) that are relatively prime to 21054881.
21054881 has 2 divisors, whose sum is 21054882
The reverse of 21054881 is 18845012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million fifty-four thousand eight hundred eighty-one
Scientific notation
2.1054881 × 10^7
Engineering notation
2.1054881 × 10^6
Prime Factorization
21054881
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21054881
Product of the distinct prime numbers
The prime factorization of 21054881 is 21054881.
Since it has a total of 1 prime factors.
5 , 2 , 75 , 63 , 427 , 460 , 7707 , 4127 , 42048 , 52886 , 681268 , 609585 , 4670144 , 2931203 , 20280772 , 75826365 , 93117207 , 833282858 , 3892189703 , 6503540149
n×2
42109762
n×3
63164643
n×4
84219524
n×5
105274405
n÷2
10527440.5
n÷3
7018293.6666667
n÷3
5263720.25
n÷5
4210976.2
n2
443308013924161
n3
9.3337974795196E+21
n4
1.9652199520938E+29
n5
4.1377472230162E+36
2 √n
4588.5597958401
3 √n
276.13254590694
4 √n
67.738909024578
5 √n
29.152147872789
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21054882
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10527441
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4588.5599048067
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999050102
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21054881 can be divided by 2 positive divisors.
The sum of these divisors (counting 21054881) is 21054882, the average is 10527441.
Base
System
Value
2
Binary
1010000010100010110100001
3
Ternary
1110121200212102
4
Quaternary
1100110112201
5
Quinary
20342224011
6
Senary
2031140145
8
Octal
120242641
10
Decimal
21054881
12
Duodecimal
7074655
16
Hexadecimal
14145a1
20
Vigesimal
6bbh41
36
Base36
cja1t
md5
9ae2ccd949a6ccd94f376bd273b12276
sha1
e3dc491e64f023198350d1ed4ac1dc9552ca37fe
sha256
5d9ca849958a026a9633f7345be5a137f276e23cddcc4f5b62cd5add6c1ad7c2
sha512
ad5cc1c4218593c6c0d0ac1ecbb7fb6fdd31c8a6683e5d0b1bb36956fcb8bcb8dedbbe305c8c752645ad89c2cb0ad2c32494a979a9c2e63e3b9bcc7753275cd4
ripemd-160
91dbc09a1c9928d3737d799a8ffe120ef08d968d
Diameter
42109762
Circumference
132291718.94361
Area
1.3926931998216E+15
Volume
3.9097319455671E+22
Surface area
5.5707727992865E+15
Circumference
132291718.94361
Perimeter
84219524
Area
443308013924161
Diagonal
29776098.264352
Surface area
2659848083544966
Volume
9.3337974795196E+21
Space diagonal
36468123.639317
Perimeter
63164643
Area
1.9195800087977E+14
Altitude
18234061.819658
Surface area
1.9195800087977E+14
Volume
1.0999985819984E+21
Height
9925366.0881172