21891694 is an even 8-digits composite number following 21891693
and preceding 21891695 . In scientific notation, it is written as 2.1891694 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 9607360 positive integers (up to 21891694) that are relatively prime to 21891694.
21891694 has 16 divisors, whose sum is 37059120
The reverse of 21891694 is 49619812
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million eight hundred ninety-one thousand six hundred ninety-four
Scientific notation
2.1891694 × 10^7
Engineering notation
2.1891694 × 10^6
Prime Factorization
2 × 29 × 11 × 34313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21891694
Product of the distinct prime numbers
The prime factorization of 21891694 is 2 × 29 × 11 × 34313.
Since it has a total of 4 prime factors.
2 , 7 , 1 , 72 , 601 , 577 , 2365 , 526 , 89538 , 90825 , 997558 , 757300 , 7688685 , 4135338 , 41554091 , 50959296 , 85315071 , 204975748 , 8978357757 , 2576800171
n×2
43783388
n×3
65675082
n×4
87566776
n×5
109458470
n÷2
10945847
n÷3
7297231.3333333
n÷3
5472923.5
n÷5
4378338.8
n2
479246266189636
n3
1.0491512610066E+22
n4
2.2967698365671E+29
n5
5.0280182450556E+36
2 √n
4678.8560567729
3 √n
279.74336178502
4 √n
68.402164123461
5 √n
29.380276171599
1 , 2 , 11 , 22 , 29 , 58 , 319 , 638 , 34313 , 68626 , 377443 , 754886 , 995077 , 1990154 , 10945847 , 21891694
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
-21891693
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 21891694 can be divided by 16 positive divisors.
The sum of these divisors (counting 21891694) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100000101001101110
3
Ternary
1112012012202111
4
Quaternary
1103200221232
5
Quinary
21101013234
6
Senary
2101114234
8
Octal
123405156
10
Decimal
21891694
12
Duodecimal
73b897a
16
Hexadecimal
14e0a6e
20
Vigesimal
6gg94e
36
Base36
d17qm
md5
4dc21d1214574760b7bdb56f0e690556
sha1
fa872e358b2bb1e868c1dac1dc95f3961f476415
sha256
1c79edcfcbe0a01af7c8085ab8224754f7b80d09cefa2e40911c2f962a5e3ae1
sha512
d9ba938d2bfacf921c4ddb3da1633de57f7b556a598ed7d5e60944a62847df47ead269e04867688b7c0242f1937f3ca513912b8e8df74d0d671d12e4fb123759
ripemd-160
8c47d1f28c3738a8dfa4055ba3b6b086512048a4
Diameter
43783388
Circumference
137549570.09007
Area
1.5055965491217E+15
Volume
4.3946745254438E+22
Surface area
6.0223861964868E+15
Circumference
137549570.09007
Perimeter
87566776
Area
479246266189636
Diagonal
30959530.558122
Surface area
2875477597137816
Volume
1.0491512610066E+22
Space diagonal
37917526.271751
Perimeter
65675082
Area
2.0751972059453E+14
Altitude
18958763.135875
Surface area
2.0751972059453E+14
Volume
1.2364366185803E+21
Height
10319843.519374