21084916 is an even 8-digits composite number following 21084915
and preceding 21084917 . In scientific notation, it is written as 2.1084916 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10514168 positive integers (up to 21084916) that are relatively prime to 21084916.
21084916 has 12 divisors, whose sum is 36997632
The reverse of 21084916 is 61948012
Previous prime number is 383
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eighty-four thousand nine hundred sixteen
Scientific notation
2.1084916 × 10^7
Engineering notation
2.1084916 × 10^6
Prime Factorization
2 × 2 × 383 × 13763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10542458
Product of the distinct prime numbers
The prime factorization of 21084916 is 2 × 2 × 383 × 13763.
Since it has a total of 4 prime factors.
3 , 2 , 4 , 72 , 90 , 62 , 1143 , 1980 , 89867 , 40969 , 513809 , 692530 , 5454136 , 6222724 , 58210642 , 4496158 , 259281085 , 613653134 , 257262115 , 9717080967
n×2
42169832
n×3
63254748
n×4
84339664
n×5
105424580
n÷2
10542458
n÷3
7028305.3333333
n÷3
5271229
n÷5
4216983.2
n2
444573682727056
n3
9.3737987561106E+21
n4
1.976457593735E+29
n5
4.1673442341464E+36
2 √n
4591.8314428994
3 √n
276.26378547533
4 √n
67.763053671595
5 √n
29.160460297603
1 , 2 , 4 , 383 , 766 , 1532 , 13763 , 27526 , 55052 , 5271229 , 10542458 , 21084916
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21084915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21084916 can be divided by 12 positive divisors.
The sum of these divisors (counting 21084916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011011101011110100
3
Ternary
1110200020001211
4
Quaternary
1100123223310
5
Quinary
20344204131
6
Senary
2031531204
8
Octal
120335364
10
Decimal
21084916
12
Duodecimal
7089b04
16
Hexadecimal
141baf4
20
Vigesimal
6bfc5g
36
Base36
cjx84
md5
ff10391c46c1c37115c61b2196b35661
sha1
3b29628e2cd56662a8105c8ecae50ef3231dfce9
sha256
ddd2f05fa36bf6636b9e257d8bbdcd6acc3ed72f0282b0b50dbd748f95b94971
sha512
0991178be11c4c1b15ad941cde939889e2dedc108e2abf013b2168572f43736bd6db3c84606c9c1001234c86499d94e9b352bd9f9eefa4da755c5234f22d1c9b
ripemd-160
2cc1239799a598585fe9233df061bb10baec6c33
Diameter
42169832
Circumference
132480434.41432
Area
1.3966694156347E+15
Volume
3.9264876411235E+22
Surface area
5.5866776625387E+15
Circumference
132480434.41432
Perimeter
84339664
Area
444573682727056
Diagonal
29818574.168697
Surface area
2667442096362336
Volume
9.3737987561106E+21
Space diagonal
36520145.785322
Perimeter
63254748
Area
1.9250605154782E+14
Altitude
18260072.892661
Surface area
1.9250605154782E+14
Volume
1.104712777654E+21
Height
9939524.7228992