21014987 is an odd 8-digits composite number following 21014986
and preceding 21014988 . In scientific notation, it is written as 2.1014987 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 17837352 positive integers (up to 21014987) that are relatively prime to 21014987.
21014987 has 8 divisors, whose sum is 24251136
The reverse of 21014987 is 78941012
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million fourteen thousand nine hundred eighty-seven
Scientific notation
2.1014987 × 10^7
Engineering notation
2.1014987 × 10^6
Prime Factorization
7 × 103 × 29147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21014987
Product of the distinct prime numbers
The prime factorization of 21014987 is 7 × 103 × 29147.
Since it has a total of 3 prime factors.
5 , 4 , 72 , 85 , 830 , 365 , 5388 , 9734 , 97635 , 52804 , 864442 , 902018 , 5734204 , 1794906 , 35964185 , 904817 , 822333994 , 508458760 , 5700337846 , 7295288436
n×2
42029974
n×3
63044961
n×4
84059948
n×5
105074935
n÷2
10507493.5
n÷3
7004995.6666667
n÷3
5253746.75
n÷5
4202997.4
n2
441629678610169
n3
9.2808419548069E+21
n4
1.9503677302932E+29
n5
4.0986952497331E+36
2 √n
4584.2106190706
3 √n
275.95803377192
4 √n
67.706798913186
5 √n
29.141092210864
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
-21014986
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 21014987 can be divided by 8 positive divisors.
The sum of these divisors (counting 21014987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001010100111001011
3
Ternary
1110112200010212
4
Quaternary
1100022213023
5
Quinary
20334434422
6
Senary
2030231335
8
Octal
120124713
10
Decimal
21014987
12
Duodecimal
705554b
16
Hexadecimal
140a9cb
20
Vigesimal
6b6h97
36
Base36
cif9n
md5
59fd9737bee015c0995a4d6248a4e61c
sha1
2a6bae5b1da77853486df68e07168fda22525b08
sha256
00e2bd0e140a9ac5861d992645de0eef258468a31cb9610fb06a4ee6ab6ab9d8
sha512
35ff4a9f82950b6d701266dc3e1a0b10b52ee0cdb51a62d27f91991692b93dea8c92e7ef50422c9344a7b4503b254174e1bf64b2c7e0031c023bc7e8f783b641
ripemd-160
bdb0bd00ca3a712492913d349eab38034d697718
Diameter
42029974
Circumference
132041057.54897
Area
1.3874205539289E+15
Volume
3.8875499872466E+22
Surface area
5.5496822157157E+15
Circumference
132041057.54897
Perimeter
84059948
Area
441629678610169
Diagonal
29719679.628494
Surface area
2649778071661014
Volume
9.2808419548069E+21
Space diagonal
36399025.204399
Perimeter
63044961
Area
1.9123126037078E+14
Altitude
18199512.6022
Surface area
1.9123126037078E+14
Volume
1.0937577135608E+21
Height
9906559.8761648