21921649 is an odd 8-digits composite number following 21921648
and preceding 21921650 . In scientific notation, it is written as 2.1921649 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 20205936 positive integers (up to 21921649) that are relatively prime to 21921649.
21921649 has 8 divisors, whose sum is 23699840
The reverse of 21921649 is 94612912
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million nine hundred twenty-one thousand six hundred forty-nine
Scientific notation
2.1921649 × 10^7
Engineering notation
2.1921649 × 10^6
Prime Factorization
37 × 19 × 31183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21921649
Product of the distinct prime numbers
The prime factorization of 21921649 is 37 × 19 × 31183.
Since it has a total of 3 prime factors.
5 , 1 , 96 , 56 , 714 , 736 , 8389 , 8518 , 71579 , 21190 , 103331 , 994781 , 5390665 , 5777112 , 28890006 , 98932106 , 700764966 , 952457107 , 482674207 , 5692963847
n×2
43843298
n×3
65764947
n×4
87686596
n×5
109608245
n÷2
10960824.5
n÷3
7307216.3333333
n÷3
5480412.25
n÷5
4384329.8
n2
480558694879201
n3
1.053463903304E+22
n4
2.30936659224E+29
n5
5.0625123847412E+36
2 √n
4682.0560654482
3 √n
279.87089711482
4 √n
68.425551261558
5 √n
29.388312140579
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
-21921648
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 21921649 can be divided by 8 positive divisors.
The sum of these divisors (counting 21921649) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011100111111101110001
3
Ternary
1112020201211221
4
Quaternary
1103213331301
5
Quinary
21102443044
6
Senary
2101505041
8
Octal
123477561
10
Decimal
21921649
12
Duodecimal
7412181
16
Hexadecimal
14e7f71
20
Vigesimal
6h0429
36
Base36
d1uup
md5
3440147ec4f5452fd76c5bd4a5bfe905
sha1
ef1efed7c1a60a30d13cadb4593f856a6c009aff
sha256
c6a72aa64f080e0522e117da472507dcb9e79cda5ea44bb3122470087e1e114c
sha512
08325bff1a5752fe939c43d19440bc82c5870c7a2ae5aba4da886ff4ca546f194424610750b416a191ff05d5ba429eceb9e9f521f7dffc6a0bd93d27566bf4c4
ripemd-160
d1c528d12ccd885216b1f88059d75560f6658fbf
Diameter
43843298
Circumference
137737782.90595
Area
1.5097196654512E+15
Volume
4.4127392792558E+22
Surface area
6.0388786618048E+15
Circumference
137737782.90595
Perimeter
87686596
Area
480558694879201
Diagonal
31001893.325383
Surface area
2883352169275206
Volume
1.053463903304E+22
Space diagonal
37969409.853691
Perimeter
65764947
Area
2.0808801888744E+14
Altitude
18984704.926846
Surface area
2.0808801888744E+14
Volume
1.2415191162692E+21
Height
10333964.441794