21886491 is an odd 8-digits composite number following 21886490
and preceding 21886492 . In scientific notation, it is written as 2.1886491 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 13228320 positive integers (up to 21886491) that are relatively prime to 21886491.
21886491 has 16 divisors, whose sum is 31921920
The reverse of 21886491 is 19468812
Previous prime number is 1303
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million eight hundred eighty-six thousand four hundred ninety-one
Scientific notation
2.1886491 × 10^7
Engineering notation
2.1886491 × 10^6
Prime Factorization
3 × 11 × 1303 × 509
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21886491
Product of the distinct prime numbers
The prime factorization of 21886491 is 3 × 11 × 1303 × 509.
Since it has a total of 4 prime factors.
9 , 6 , 82 , 81 , 467 , 45 , 5941 , 2626 , 64015 , 26576 , 627587 , 813403 , 9268 , 3562571 , 88031099 , 35026275 , 959894337 , 53218296 , 9274862438 , 2085738335
n×2
43772982
n×3
65659473
n×4
87545964
n×5
109432455
n÷2
10943245.5
n÷3
7295497
n÷3
5471622.75
n÷5
4377298.2
n2
479018488293081
n3
1.048403383286E+22
n4
2.2945871212659E+29
n5
5.0220460378302E+36
2 √n
4678.3000117564
3 √n
279.7211978228
4 √n
68.39809947474
5 √n
29.378879476472
1 , 3 , 11 , 33 , 509 , 1303 , 1527 , 3909 , 5599 , 14333 , 16797 , 42999 , 663227 , 1989681 , 7295497 , 21886491
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21886490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21886491 can be divided by 16 positive divisors.
The sum of these divisors (counting 21886491) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011011111011000011011
3
Ternary
1112011221121210
4
Quaternary
1103133120123
5
Quinary
21100331431
6
Senary
2101034203
8
Octal
123373033
10
Decimal
21886491
12
Duodecimal
73b5963
16
Hexadecimal
14df61b
20
Vigesimal
6gfg4b
36
Base36
d13q3
md5
c6bcf6f9a1935b2a8fa0deabc045ba39
sha1
074f0c01351dd2608287d97b63f3233341ed102b
sha256
a595aba99b57128219be717fde4b2c71bca107bf60b5f78ad9ac2219674052ce
sha512
4aeca38a35955d6111fd4ece02d3b7888feaa9910c353e19a28f8bc9c656b7c5e7acc7c625dfae5920f0dda6be7b7ac38fa03bb258ea797f923d2a5487d1bff9
ripemd-160
eb4c7f72ff55276ba64fc4272bdcfe2f6aeee640
Diameter
43772982
Circumference
137516878.67692
Area
1.5048809637552E+15
Volume
4.3915418225734E+22
Surface area
6.0195238550209E+15
Circumference
137516878.67692
Perimeter
87545964
Area
479018488293081
Diagonal
30952172.404957
Surface area
2874110929758486
Volume
1.048403383286E+22
Space diagonal
37908514.411399
Perimeter
65659473
Area
2.0742108987211E+14
Altitude
18954257.205699
Surface area
2.0742108987211E+14
Volume
1.2355552362341E+21
Height
10317390.801652