21014986 is an even 8-digits composite number following 21014985
and preceding 21014987 . In scientific notation, it is written as 2.1014986 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10507492 positive integers (up to 21014986) that are relatively prime to 21014986.
21014986 has 4 divisors, whose sum is 31522482
The reverse of 21014986 is 68941012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million fourteen thousand nine hundred eighty-six
Scientific notation
2.1014986 × 10^7
Engineering notation
2.1014986 × 10^6
Prime Factorization
2 × 10507493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21014986
Product of the distinct prime numbers
The prime factorization of 21014986 is 2 × 10507493.
Since it has a total of 2 prime factors.
7 , 5 , 82 , 84 , 955 , 827 , 1456 , 9080 , 25638 , 34659 , 30786 , 644262 , 2130280 , 6103445 , 67968118 , 317536 , 12367548 , 574722954 , 350298561 , 5188682524
n×2
42029972
n×3
63044958
n×4
84059944
n×5
105074930
n÷2
10507493
n÷3
7004995.3333333
n÷3
5253746.5
n÷5
4202997.2
n2
441629636580196
n3
9.2808406299179E+21
n4
1.9503673590596E+29
n5
4.0986942745494E+36
2 √n
4584.2105100006
3 √n
275.95802939476
4 √n
67.706798107728
5 √n
29.141091933528
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21014985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21014986 can be divided by 4 positive divisors.
The sum of these divisors (counting 21014986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001010100111001010
3
Ternary
1110112200010211
4
Quaternary
1100022213022
5
Quinary
20334434421
6
Senary
2030231334
8
Octal
120124712
10
Decimal
21014986
12
Duodecimal
705554a
16
Hexadecimal
140a9ca
20
Vigesimal
6b6h96
36
Base36
cif9m
md5
af3308f1d55357d3a4ce6d5711043950
sha1
b0057b3048a56b908697caa838eec5a7f5a5f22e
sha256
ecf45740fc13ee167132abde21c6ceef4159e529af83d327dc0e55cd6d3277d4
sha512
6d19f0b8e23ef47c7fadf2e6c6944133eb58b37ffc1f6cd6de2eb335caeb5950d2cd24f030f3422ea6a25e5ac8efc89048d3efa7a2dd5ac1c5a3fc83517a7d34
ripemd-160
baa7dcf2fc1436a5066f8a6e1f274be98d1b44cd
Diameter
42029972
Circumference
132041051.26578
Area
1.3874204218879E+15
Volume
3.8875494322784E+22
Surface area
5.5496816875515E+15
Circumference
132041051.26578
Perimeter
84059944
Area
441629636580196
Diagonal
29719678.214281
Surface area
2649777819481176
Volume
9.2808406299179E+21
Space diagonal
36399023.472349
Perimeter
63044958
Area
1.9123124217127E+14
Altitude
18199511.736174
Surface area
1.9123124217127E+14
Volume
1.0937575574211E+21
Height
9906559.4047602