21001824 is an even 8-digits composite number following 21001823
and preceding 21001825 . In scientific notation, it is written as 2.1001824 × 10^7.
The sum of its digits is 18. It has a total of 7 prime factors and 24 positive divisors.
There are 7000512 positive integers (up to 21001824) that are relatively prime to 21001824.
21001824 has 24 divisors, whose sum is 45942120
The reverse of 21001824 is 42810012
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million one thousand eight hundred twenty-four
Scientific notation
2.1001824 × 10^7
Engineering notation
2.1001824 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 9 × 72923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1312614
Product of the distinct prime numbers
The prime factorization of 21001824 is 2 × 2 × 2 × 2 × 2 × 9 × 72923.
Since it has a total of 7 prime factors.
5 , 3 , 55 , 81 , 277 , 330 , 9930 , 8911 , 92022 , 64349 , 458402 , 547838 , 7170613 , 950714 , 28481208 , 23734820 , 896187514 , 243308092 , 218470521 , 6723334091
n×2
42003648
n×3
63005472
n×4
84007296
n×5
105009120
n÷2
10500912
n÷3
7000608
n÷3
5250456
n÷5
4200364.8
n2
441076611326976
n3
9.2634133616056E+21
n4
1.9454857705969E+29
n5
4.085874974858E+36
2 √n
4582.7747053505
3 √n
275.90040514924
4 √n
67.696194171833
5 √n
29.137440718356
1 , 2 , 4 , 8 , 9 , 16 , 18 , 32 , 36 , 72 , 144 , 288 , 72923 , 145846 , 291692 , 583384 , 656307 , 1166768 , 1312614 , 2333536 , 2625228 , 5250456 , 10500912 , 21001824
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21001823
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21001824 can be divided by 24 positive divisors.
The sum of these divisors (counting 21001824) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111011001100000
3
Ternary
1110112000002100
4
Quaternary
1100013121200
5
Quinary
20334024244
6
Senary
2030050400
8
Octal
120073140
10
Decimal
21001824
12
Duodecimal
7049a00
16
Hexadecimal
1407660
20
Vigesimal
6b54b4
36
Base36
ci540
md5
c6c907621e364bd3fb0442512e961aa4
sha1
7790a5b986762a8b613e781f4c0039b9c04a8957
sha256
c701c334058c810529087a42aab3cd25ac42fb2a1f77ef3a8339a3f8c1697a4f
sha512
50ec4c3b83865375927027551c25a0c1180241c9a213c9c8313460bda5b223f6be24f49a158f15c921c5bf29a87edfe75be4b8a233b057633218aba197ccdad4
ripemd-160
f4c9b2a816f6a33edd90aed35865775619e8f379
Diameter
42003648
Circumference
131958351.98077
Area
1.3856830418151E+15
Volume
3.8802495151981E+22
Surface area
5.5427321672604E+15
Circumference
131958351.98077
Perimeter
84007296
Area
441076611326976
Diagonal
29701064.335373
Surface area
2646459667961856
Volume
9.2634133616056E+21
Space diagonal
36376226.219619
Perimeter
63005472
Area
1.9099177521216E+14
Altitude
18188113.10981
Surface area
1.9099177521216E+14
Volume
1.0917037341542E+21
Height
9900354.7784576