21109724 is an even 8-digits composite number following 21109723
and preceding 21109725 . In scientific notation, it is written as 2.1109724 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 10483728 positive integers (up to 21109724) that are relatively prime to 21109724.
21109724 has 12 divisors, whose sum is 37191000
The reverse of 21109724 is 42790112
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred nine thousand seven hundred twenty-four
Scientific notation
2.1109724 × 10^7
Engineering notation
2.1109724 × 10^6
Prime Factorization
2 × 2 × 149 × 35419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10554862
Product of the distinct prime numbers
The prime factorization of 21109724 is 2 × 2 × 149 × 35419.
Since it has a total of 4 prime factors.
4 , 2 , 93 , 68 , 164 , 421 , 2749 , 8019 , 50966 , 95343 , 506209 , 542186 , 969449 , 1445336 , 80836271 , 77324471 , 43203757 , 646092484 , 1473751454 , 7147472278
n×2
42219448
n×3
63329172
n×4
84438896
n×5
105548620
n÷2
10554862
n÷3
7036574.6666667
n÷3
5277431
n÷5
4221944.8
n2
445620447356176
n3
9.4069246524454E+21
n4
1.9857758310192E+29
n5
4.1919179718686E+36
2 √n
4594.5319674587
3 √n
276.3720914295
4 √n
67.782976974007
5 √n
29.167318968316
1 , 2 , 4 , 149 , 298 , 596 , 35419 , 70838 , 141676 , 5277431 , 10554862 , 21109724
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
-21109723
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 21109724 can be divided by 12 positive divisors.
The sum of these divisors (counting 21109724) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100001101111011100
3
Ternary
1110201111002122
4
Quaternary
1100201233130
5
Quinary
20401002344
6
Senary
2032242112
8
Octal
120415734
10
Decimal
21109724
12
Duodecimal
70a0338
16
Hexadecimal
1421bdc
20
Vigesimal
6bie64
36
Base36
ckgd8
md5
70b57cf00229a18fe1a1d364bc6ba4d1
sha1
40a36fce08ccb91f12e32e5ec947361416821b7f
sha256
92980adae26e83db636d8c4d441cbda4ad3e85fbf4cf1953e53aa33565cde47b
sha512
ce74642f62b543c7ffdeb7999ba7aa5c0c540ed893f6bd06d620bc441ec2f7838af36f273997b8cd12ec27adef53cbd76cc9a7572bfa2762e75d0b1dad8acc6b
ripemd-160
c2c1c8d0620f41f02c53a953e248f4200f79eaee
Diameter
42219448
Circumference
132636307.67542
Area
1.3999579237036E+15
Volume
3.9403633841327E+22
Surface area
5.5998316948142E+15
Circumference
132636307.67542
Perimeter
84438896
Area
445620447356176
Diagonal
29853657.978753
Surface area
2673722684137056
Volume
9.4069246524454E+21
Space diagonal
36563114.501756
Perimeter
63329172
Area
1.9295931392812E+14
Altitude
18281557.250878
Surface area
1.9295931392812E+14
Volume
1.1086167019758E+21
Height
9951219.3262509