21121510 is an even 8-digits composite number following 21121509
and preceding 21121511 . In scientific notation, it is written as 2.1121510 × 10^7.
The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors.
There are 8448600 positive integers (up to 21121510) that are relatively prime to 21121510.
21121510 has 8 divisors, whose sum is 38018736
The reverse of 21121510 is 01512112
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty-one million one hundred twenty-one thousand five hundred ten
Scientific notation
2.1121510 × 10^7
Engineering notation
2.1121510 × 10^6
Prime Factorization
2 × 5 × 2112151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21121510
Product of the distinct prime numbers
The prime factorization of 21121510 is 2 × 5 × 2112151.
Since it has a total of 3 prime factors.
3 , 10 , 13 , 22 , 210 , 476 , 8818 , 1906 , 97671 , 27455 , 684321 , 262785 , 579286 , 3660536 , 37663983 , 7124683 , 158616395 , 165773109 , 2915685140 , 2068241187
n×2
42243020
n×3
63364530
n×4
84486040
n×5
105607550
n÷2
10560755
n÷3
7040503.3333333
n÷3
5280377.5
n÷5
4224302
n2
446118184680100
n3
9.4226896989026E+21
n4
1.9902143470227E+29
n5
4.2036332232783E+36
2 √n
4595.8144000819
3 √n
276.42351663126
4 √n
67.79243615686
5 √n
29.170575185918
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
-21121509
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 21121510 can be divided by 8 positive divisors.
The sum of these divisors (counting 21121510) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100100100111100110
3
Ternary
1110202002021011
4
Quaternary
1100210213212
5
Quinary
20401342020
6
Senary
2032412434
8
Octal
120444746
10
Decimal
21121510
12
Duodecimal
70a711a
16
Hexadecimal
14249e6
20
Vigesimal
6c03fa
36
Base36
ckpgm
md5
fb4ab73b0ad90ffc3f0d38e07c45bfc0
sha1
b5ca4a825c35e33e4c61c789a79447502c97f4e5
sha256
5c6a38b3672aae0376f35b8c43c3cfc708c862fed35bba7e7c600758855350a3
sha512
972a70fcc895445347ec15a4d7e8ef860ae75a3d77998e7141fef669bc13b9143829d340f4f74c2ffdad3201614556546303b8cfd2e3b3f5b20f266108e10f2d
ripemd-160
5decf11f62bb3712c97d25d733c0a3b38f92eb67
Diameter
42243020
Circumference
132710361.29745
Area
1.4015216116238E+15
Volume
3.9469670313505E+22
Surface area
5.6060864464953E+15
Circumference
132710361.29745
Perimeter
84486040
Area
446118184680100
Diagonal
29870325.899799
Surface area
2676709108080600
Volume
9.4226896989026E+21
Space diagonal
36583528.452574
Perimeter
63364530
Area
1.9317484051158E+14
Altitude
18291764.226287
Surface area
1.9317484051158E+14
Volume
1.1104746305184E+21
Height
9956775.299933