21107509 is an odd 8-digits prime number following 21107508
and preceding 21107510 . In scientific notation, it is written as 2.1107509 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 21107508 positive integers (up to 21107509) that are relatively prime to 21107509.
21107509 has 2 divisors, whose sum is 21107510
The reverse of 21107509 is 90570112
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred seven thousand five hundred nine
Scientific notation
2.1107509 × 10^7
Engineering notation
2.1107509 × 10^6
Prime Factorization
21107509
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21107509
Product of the distinct prime numbers
The prime factorization of 21107509 is 21107509.
Since it has a total of 1 prime factors.
9 , 1 , 16 , 8 , 953 , 756 , 142 , 6816 , 56811 , 84427 , 653989 , 25500 , 2121251 , 8548540 , 89088143 , 5241913 , 399739093 , 13527818 , 6972714878 , 2682610257
n×2
42215018
n×3
63322527
n×4
84430036
n×5
105537545
n÷2
10553754.5
n÷3
7035836.3333333
n÷3
5276877.25
n÷5
4221501.8
n2
445526936185081
n3
9.403963815269E+21
n4
1.9849425086647E+29
n5
4.1897191866122E+36
2 √n
4594.290913732
3 √n
276.36242470601
4 √n
67.781198821885
5 √n
29.166706849244
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21107510
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10553755
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4594.2910225627
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999905247
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21107509 can be divided by 2 positive divisors.
The sum of these divisors (counting 21107509) is 21107510, the average is 10553755.
Base
System
Value
2
Binary
1010000100001001100110101
3
Ternary
1110201101001121
4
Quaternary
1100201030311
5
Quinary
20400420014
6
Senary
2032223541
8
Octal
120411465
10
Decimal
21107509
12
Duodecimal
709abb1
16
Hexadecimal
1421335
20
Vigesimal
6bi8f9
36
Base36
ckenp
md5
7a6773214799e6e7c1e1a3d971705a81
sha1
4c6e1d46da2095fa6aea455f59069f2c96c67b6a
sha256
f2c947f252b2cc2a1094c995100de1f6faced3f99ba14e0b294e21f02561ed1a
sha512
81378220497a51a8eeaa86fd94ea93e81f83b1ad8d9e80b7aade49a477941dbb1bf5e9c36877341b6c8ef7e253f1977033a1d770de47d962d31a920c7bfe38c5
ripemd-160
c51667e302f69603f4e6541677362a09481e5862
Diameter
42215018
Circumference
132622390.41996
Area
1.3996641496954E+15
Volume
3.9391231515565E+22
Surface area
5.5986565987817E+15
Circumference
132622390.41996
Perimeter
84430036
Area
445526936185081
Diagonal
29850525.495712
Surface area
2673161617110486
Volume
9.403963815269E+21
Space diagonal
36559278.009217
Perimeter
63322527
Area
1.9291882240326E+14
Altitude
18279639.004609
Surface area
1.9291882240326E+14
Volume
1.1082677639683E+21
Height
9950175.1652374