21061207 is an odd 8-digits prime number following 21061206
and preceding 21061208 . In scientific notation, it is written as 2.1061207 × 10^7.
The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors.
There are 21061206 positive integers (up to 21061207) that are relatively prime to 21061207.
21061207 has 2 divisors, whose sum is 21061208
The reverse of 21061207 is 70216012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million sixty-one thousand two hundred seven
Scientific notation
2.1061207 × 10^7
Engineering notation
2.1061207 × 10^6
Prime Factorization
21061207
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21061207
Product of the distinct prime numbers
The prime factorization of 21061207 is 21061207.
Since it has a total of 1 prime factors.
8 , 3 , 29 , 39 , 322 , 937 , 6155 , 6002 , 97899 , 27642 , 165394 , 985081 , 1038419 , 161679 , 34375480 , 38743772 , 20513489 , 178812250 , 7669488523 , 9425929465
n×2
42122414
n×3
63183621
n×4
84244828
n×5
105306035
n÷2
10530603.5
n÷3
7020402.3333333
n÷3
5265301.75
n÷5
4212241.4
n2
443574440296849
n3
9.3422131070011E+21
n4
1.9675828408466E+29
n5
4.1439669500719E+36
2 √n
4589.2490671133
3 √n
276.16019807889
4 √n
67.743996539275
5 √n
29.153899431756
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21061208
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10530604
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4589.2491760636
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999050387
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21061207 can be divided by 2 positive divisors.
The sum of these divisors (counting 21061207) is 21061208, the average is 10530604.
Base
System
Value
2
Binary
1010000010101111001010111
3
Ternary
1110122000112201
4
Quaternary
1100111321113
5
Quinary
20342424312
6
Senary
2031225331
8
Octal
120257127
10
Decimal
21061207
12
Duodecimal
7078247
16
Hexadecimal
1415e57
20
Vigesimal
6bcd07
36
Base36
cjexj
md5
c3c273dac6f0ffb0e78f49f0f831057c
sha1
6cb0e07dadaa9d4e8e83cb7456b0ed976a28f20a
sha256
d3e3d527fb9f86397d3604722d7dcc960aa5a60a48dcfbf05fda86e1e5c84efe
sha512
378fb6dab69794a83c6eca78ad0f08d1e6600d379320cea90e02d4c68adda3d92f342187a0b3c2e5262c475b87591de546b628aa9d1534bda1e306ba9cfc0bfc
ripemd-160
87887f7eb76d693c4a5455fe9c8259ad3577524a
Diameter
42122414
Circumference
132331466.37387
Area
1.3935302029568E+15
Volume
3.9132570753633E+22
Surface area
5.5741208118271E+15
Circumference
132331466.37387
Perimeter
84244828
Area
443574440296849
Diagonal
29785044.579347
Surface area
2661446641781094
Volume
9.3422131070011E+21
Space diagonal
36479080.592725
Perimeter
63183621
Area
1.9207336688327E+14
Altitude
18239540.296363
Surface area
1.9207336688327E+14
Volume
1.1009903732084E+21
Height
9928348.1931157