20999730 is an even 8-digits composite number following 20999729
and preceding 20999731 . In scientific notation, it is written as 2.0999730 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 5583872 positive integers (up to 20999730) that are relatively prime to 20999730.
20999730 has 32 divisors, whose sum is 50544000
The reverse of 20999730 is 03799902
Previous prime number is 449
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million nine hundred ninety-nine thousand seven hundred thirty
Scientific notation
2.0999730 × 10^7
Engineering notation
2.0999730 × 10^6
Prime Factorization
2 × 3 × 5 × 449 × 1559
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20999730
Product of the distinct prime numbers
The prime factorization of 20999730 is 2 × 3 × 5 × 449 × 1559.
Since it has a total of 5 prime factors.
9 , 10 , 76 , 75 , 530 , 410 , 3545 , 6858 , 69481 , 81650 , 392089 , 852700 , 9613436 , 6017064 , 79672842 , 3814125 , 228521979 , 208584156 , 6688392989 , 8612451569
n×2
41999460
n×3
62999190
n×4
83998920
n×5
104998650
n÷2
10499865
n÷3
6999910
n÷3
5249932.5
n÷5
4199946
n2
440988660072900
n3
9.2606427945927E+21
n4
1.9447099831289E+29
n5
4.0838384574012E+36
2 √n
4582.546235446
3 √n
275.89123523697
4 √n
67.69450668589
5 √n
29.136859661831
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 449 , 898 , 1347 , 1559 , 2245 , 2694 , 3118 , 4490 , 4677 , 6735 , 7795 , 9354 , 13470 , 15590 , 23385 , 46770 , 699991 , 1399982 , 2099973 , 3499955 , 4199946 , 6999910 , 10499865 , 20999730
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20999729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20999730 can be divided by 32 positive divisors.
The sum of these divisors (counting 20999730) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000110111000110010
3
Ternary
1110111220012210
4
Quaternary
1100012320302
5
Quinary
20333442410
6
Senary
2030032550
8
Octal
120067062
10
Decimal
20999730
12
Duodecimal
7048756
16
Hexadecimal
1406e32
20
Vigesimal
6b4j6a
36
Base36
ci3hu
md5
2beef8e7f1c394919141f52a86938f2c
sha1
bcbaa3e97f9e8636d3f67cb53118b8fe8856e4f6
sha256
005358a1d0352755e96c3abd30e08324635f718890416e9834780dfa9b26207a
sha512
6195e0a51a881ed2b0e445c08a1522b8905994d2ae2273f8b4e00746c5d05108a9fe582e29564ee72fb58e5275e5e7f4dea7c125ed2580a69cdb5375a2e9b481
ripemd-160
e79a8ee738f940a444ca3adb5e312ab8a01fbbc8
Diameter
41999460
Circumference
131945194.99074
Area
1.3854067348014E+15
Volume
3.8790889828015E+22
Surface area
5.5416269392057E+15
Circumference
131945194.99074
Perimeter
83998920
Area
440988660072900
Diagonal
29698102.972173
Surface area
2645931960437400
Volume
9.2606427945927E+21
Space diagonal
36372599.305228
Perimeter
62999190
Area
1.90953691202E+14
Altitude
18186299.652614
Surface area
1.90953691202E+14
Volume
1.0913772197005E+21
Height
9899367.6573911