21054913 is an odd 8-digits composite number following 21054912
and preceding 21054914 . In scientific notation, it is written as 2.1054913 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 18308400 positive integers (up to 21054913) that are relatively prime to 21054913.
21054913 has 8 divisors, whose sum is 23967936
The reverse of 21054913 is 31945012
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million fifty-four thousand nine hundred thirteen
Scientific notation
2.1054913 × 10^7
Engineering notation
2.1054913 × 10^6
Prime Factorization
23 × 11 × 83221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21054913
Product of the distinct prime numbers
The prime factorization of 21054913 is 23 × 11 × 83221.
Since it has a total of 3 prime factors.
4 , 4 , 30 , 47 , 662 , 403 , 9513 , 7673 , 3907 , 62914 , 274889 , 997307 , 3483382 , 3299693 , 58363400 , 3893403 , 684131896 , 262869979 , 59649290 , 5106637727
n×2
42109826
n×3
63164739
n×4
84219652
n×5
105274565
n÷2
10527456.5
n÷3
7018304.3333333
n÷3
5263728.25
n÷5
4210982.6
n2
443309361437569
n3
9.3338400371536E+21
n4
1.9652318993819E+29
n5
4.137778666631E+36
2 √n
4588.5632827716
3 √n
276.13268579908
4 √n
67.738934762599
5 √n
29.15215673409
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
-21054912
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 21054913 can be divided by 8 positive divisors.
The sum of these divisors (counting 21054913) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010100010111000001
3
Ternary
1110121200220121
4
Quaternary
1100110113001
5
Quinary
20342224123
6
Senary
2031140241
8
Octal
120242701
10
Decimal
21054913
12
Duodecimal
7074681
16
Hexadecimal
14145c1
20
Vigesimal
6bbh5d
36
Base36
cja2p
md5
6c8f2f6b7a0d2cab46fb6954fe0656b2
sha1
fc22a4e455e29359677d358184ea5d1b7b0a9ec8
sha256
a6d7094c18bb871669c4bd0fbbbb757ea5636db8b0fddd46fa782c9fdd9a4796
sha512
a15386256d7a86469a8efdddaeba567b773f1e9686fda5e0e996d301e8a9882fe2b950621ccf4496f0067dd9cf9f3a55bcbd2735d2e95714fd657d801f85c7f0
ripemd-160
787e4d81eb9f78a5123388876c8151a5a606c74d
Diameter
42109826
Circumference
132291920.00554
Area
1.3926974331598E+15
Volume
3.9097497720672E+22
Surface area
5.5707897326394E+15
Circumference
132291920.00554
Perimeter
84219652
Area
443309361437569
Diagonal
29776143.519186
Surface area
2659856168625414
Volume
9.3338400371536E+21
Space diagonal
36468179.064942
Perimeter
63164739
Area
1.919585843702E+14
Altitude
18234089.532471
Surface area
1.919585843702E+14
Volume
1.1000035974636E+21
Height
9925381.1730619