21051707 is an odd 8-digits prime number following 21051706
and preceding 21051708 . In scientific notation, it is written as 2.1051707 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 21051706 positive integers (up to 21051707) that are relatively prime to 21051707.
21051707 has 2 divisors, whose sum is 21051708
The reverse of 21051707 is 70715012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million fifty-one thousand seven hundred seven
Scientific notation
2.1051707 × 10^7
Engineering notation
2.1051707 × 10^6
Prime Factorization
21051707
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21051707
Product of the distinct prime numbers
The prime factorization of 21051707 is 21051707.
Since it has a total of 1 prime factors.
4 , 5 , 34 , 12 , 527 , 979 , 9781 , 7555 , 97312 , 24937 , 143918 , 802473 , 2907628 , 7808841 , 61115849 , 46009950 , 265026459 , 991366091 , 2417565363 , 6668623870
n×2
42103414
n×3
63155121
n×4
84206828
n×5
105258535
n÷2
10525853.5
n÷3
7017235.6666667
n÷3
5262926.75
n÷5
4210341.4
n2
443174367613849
n3
9.329576936917E+21
n4
1.9640352010993E+29
n5
4.134629359123E+36
2 √n
4588.2139226501
3 √n
276.11866965112
4 √n
67.736355988864
5 √n
29.151268888982
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21051708
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10525854
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4588.2140316249
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999049958
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21051707 can be divided by 2 positive divisors.
The sum of these divisors (counting 21051707) is 21051708, the average is 10525854.
Base
System
Value
2
Binary
1010000010011100100111011
3
Ternary
1110121112111212
4
Quaternary
1100103210323
5
Quinary
20342123312
6
Senary
2031113335
8
Octal
120234473
10
Decimal
21051707
12
Duodecimal
707284b
16
Hexadecimal
141393b
20
Vigesimal
6bb957
36
Base36
cj7ln
md5
434bc77714efaf5ad329ff953e2ee266
sha1
fbb7701c870d3a6e86193146e698751d20d0e875
sha256
b4463a0b22b425ae8d3348c482a08e37d57ec09c30943d27fce79cee6bca295a
sha512
853034338e03229863b8f9e5df1a940199eadde925c1f9e1509d634434ccba9be976e076b0f3d3c085e0a86bad239abd86aee1f6a8b7a0656b840d0c61395401
ripemd-160
b4ffafcd30428b3d8330c5d3aa87b818eb9130c1
Diameter
42103414
Circumference
132271776.11345
Area
1.392273337555E+15
Volume
3.9079640488159E+22
Surface area
5.5690933502199E+15
Circumference
132271776.11345
Perimeter
84206828
Area
443174367613849
Diagonal
29771609.550505
Surface area
2659046205683094
Volume
9.329576936917E+21
Space diagonal
36462626.110053
Perimeter
63155121
Area
1.9190013032985E+14
Altitude
18231313.055027
Surface area
1.9190013032985E+14
Volume
1.0995011862826E+21
Height
9923869.8501682