21243792 is an even 8-digits composite number following 21243791
and preceding 21243793 . In scientific notation, it is written as 2.1243792 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 7081248 positive integers (up to 21243792) that are relatively prime to 21243792.
21243792 has 20 divisors, whose sum is 54879920
The reverse of 21243792 is 29734212
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred forty-three thousand seven hundred ninety-two
Scientific notation
2.1243792 × 10^7
Engineering notation
2.1243792 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 442579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2655474
Product of the distinct prime numbers
The prime factorization of 21243792 is 2 × 2 × 2 × 2 × 3 × 442579.
Since it has a total of 6 prime factors.
8 , 2 , 59 , 71 , 818 , 679 , 6593 , 1792 , 80888 , 87356 , 755362 , 737901 , 9943388 , 4571515 , 36595149 , 43562744 , 903736489 , 214284417 , 4711272982 , 4299014456
n×2
42487584
n×3
63731376
n×4
84975168
n×5
106218960
n÷2
10621896
n÷3
7081264
n÷3
5310948
n÷5
4248758.4
n2
451298698539264
n3
9.5872956816388E+21
n4
2.0367051530323E+29
n5
4.3267340636347E+36
2 √n
4609.0988273197
3 √n
276.95593750601
4 √n
67.890344139058
5 √n
29.204273575636
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 442579 , 885158 , 1327737 , 1770316 , 2655474 , 3540632 , 5310948 , 7081264 , 10621896 , 21243792
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21243791
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21243792 can be divided by 20 positive divisors.
The sum of these divisors (counting 21243792) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010001000010011110010000
3
Ternary
1110222022000010
4
Quaternary
1101002132100
5
Quinary
20414300132
6
Senary
2035154520
8
Octal
121023620
10
Decimal
21243792
12
Duodecimal
7145a40
16
Hexadecimal
1442790
20
Vigesimal
6cf99c
36
Base36
cnbtc
md5
2eeb11f5d9147936d1a6a1b54102d079
sha1
39ddc59e01e72cfdc96350939eb6b9bf80dff545
sha256
9654c3d10c57d6591a42dd84aca8ccab69757e13cf0c66c23beb69e42ed7f038
sha512
388092f7e68f3f22334e72452cdfa592571203234157ed7984e31e37c8cda67f283b8f12c9a4912297dd10bc6b0615536553ff99ef2355bd358e4f7fb1669ed7
ripemd-160
41b3968639d0b3a41e49c088b7a3d2e744c826a0
Diameter
42487584
Circumference
133478681.76318
Area
1.4177966759056E+15
Volume
4.015917024164E+22
Surface area
5.6711867036223E+15
Circumference
133478681.76318
Perimeter
84975168
Area
451298698539264
Diagonal
30043258.762633
Surface area
2707792191235584
Volume
9.5872956816388E+21
Space diagonal
36795327.089425
Perimeter
63731376
Area
1.9541806881493E+14
Altitude
18397663.544713
Surface area
1.9541806881493E+14
Volume
1.1298736316212E+21
Height
10014419.587544