21696621 is an odd 8-digits composite number following 21696620
and preceding 21696622 . In scientific notation, it is written as 2.1696621 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13997760 positive integers (up to 21696621) that are relatively prime to 21696621.
21696621 has 8 divisors, whose sum is 29862144
The reverse of 21696621 is 12669612
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million six hundred ninety-six thousand six hundred twenty-one
Scientific notation
2.1696621 × 10^7
Engineering notation
2.1696621 × 10^6
Prime Factorization
3 × 31 × 233297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21696621
Product of the distinct prime numbers
The prime factorization of 21696621 is 3 × 31 × 233297.
Since it has a total of 3 prime factors.
3 , 5 , 12 , 17 , 26 , 465 , 9862 , 7735 , 10178 , 52334 , 318576 , 793932 , 7547717 , 411044 , 10943857 , 97048435 , 172151794 , 939591650 , 3167494489 , 8583326446
n×2
43393242
n×3
65089863
n×4
86786484
n×5
108483105
n÷2
10848310.5
n÷3
7232207
n÷3
5424155.25
n÷5
4339324.2
n2
470743362817641
n3
1.021354033132E+22
n4
2.2159931363686E+29
n5
4.8079563218391E+36
2 √n
4657.9631814775
3 √n
278.90996696707
4 √n
68.249272387898
5 √n
29.327728052181
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
-21696620
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 21696621 can be divided by 8 positive divisors.
The sum of these divisors (counting 21696621) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110001000001101101
3
Ternary
1111211022011120
4
Quaternary
1102301001231
5
Quinary
21023242441
6
Senary
2053011153
8
Octal
122610155
10
Decimal
21696621
12
Duodecimal
7323ab9
16
Hexadecimal
14b106d
20
Vigesimal
6fc1b1
36
Base36
cx17x
md5
4cc056a1cf33f668c42cb387285647b3
sha1
dffd599dbaae7138e93263e8d904d6cac912861f
sha256
2b2e5d5f11db7170e19e4984c32ac72d1de82a20779045c1aa78e38c2943f656
sha512
58cf6eede1f2e3fdc78ca2ce030ec94a0c2513523d2b815ccff675118129dcfbe660387b6d8e54d888e8edc839a90ff37a9ee1a3c5c8557fc75085aa19e96c46
ripemd-160
b4cf6594d3567fbcff643fdbb93553bdb5b7a8fc
Diameter
43393242
Circumference
136323890.28264
Area
1.4788838903541E+15
Volume
4.2782377696023E+22
Surface area
5.9155355614162E+15
Circumference
136323890.28264
Perimeter
86786484
Area
470743362817641
Diagonal
30683655.675869
Surface area
2824460176905846
Volume
1.021354033132E+22
Space diagonal
37579649.924566
Perimeter
65089863
Area
2.038378554315E+14
Altitude
18789824.962283
Surface area
2.038378554315E+14
Volume
1.2036772713664E+21
Height
10227885.22529