20909984 is an even 8-digits composite number following 20909983
and preceding 20909985 . In scientific notation, it is written as 2.0909984 × 10^7.
The sum of its digits is 41. It has a total of 7 prime factors and 24 positive divisors.
There are 10256896 positive integers (up to 20909984) that are relatively prime to 20909984.
20909984 has 24 divisors, whose sum is 41946660
The reverse of 20909984 is 48990902
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million nine hundred nine thousand nine hundred eighty-four
Scientific notation
2.0909984 × 10^7
Engineering notation
2.0909984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 53 × 12329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1306874
Product of the distinct prime numbers
The prime factorization of 20909984 is 2 × 2 × 2 × 2 × 2 × 53 × 12329.
Since it has a total of 7 prime factors.
10 , 1 , 88 , 97 , 966 , 972 , 8494 , 7572 , 95479 , 64528 , 718151 , 132902 , 147151 , 8474710 , 9906567 , 29673363 , 306206846 , 331869262 , 7334266868 , 9978479035
n×2
41819968
n×3
62729952
n×4
83639936
n×5
104549920
n÷2
10454992
n÷3
6969994.6666667
n÷3
5227496
n÷5
4181996.8
n2
437227430880256
n3
9.1424185840673E+21
n4
1.9116782631415E+29
n5
3.9973161895436E+36
2 √n
4572.7435965731
3 √n
275.49765095389
4 √n
67.622064421112
5 √n
29.111912691328
1 , 2 , 4 , 8 , 16 , 32 , 53 , 106 , 212 , 424 , 848 , 1696 , 12329 , 24658 , 49316 , 98632 , 197264 , 394528 , 653437 , 1306874 , 2613748 , 5227496 , 10454992 , 20909984
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
-20909983
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 20909984 can be divided by 24 positive divisors.
The sum of these divisors (counting 20909984) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111110000111110100000
3
Ternary
1110100100002212
4
Quaternary
1033300332200
5
Quinary
20323104414
6
Senary
2024101252
8
Octal
117607640
10
Decimal
20909984
12
Duodecimal
7004828
16
Hexadecimal
13f0fa0
20
Vigesimal
6adej4
36
Base36
cg68w
md5
d577f28a344ee5798ecba211fa803c02
sha1
1f2cac6729347166a1ba71430ea3ddf7c5479c19
sha256
39ca0358094bcf5f560a8838aeb7a535714dc5567ff47c9f02fed492e211a1af
sha512
25daf5938dd8d9f4e9681d48d92f5604b40eab4b8df361d86307d8e061887e071125098e22767adeb8a4398d13a2ee5f5fb5ec69ac0555873ee36a89fbee7839
ripemd-160
764b6f0f30143181ac65b5a8fa1546086cf62c14
Diameter
41819968
Circumference
131381304.24216
Area
1.3735904848014E+15
Volume
3.8295673412998E+22
Surface area
5.4943619392054E+15
Circumference
131381304.24216
Perimeter
83639936
Area
437227430880256
Diagonal
29571182.961804
Surface area
2623364585281536
Volume
9.1424185840673E+21
Space diagonal
36217154.673452
Perimeter
62729952
Area
1.8932503118685E+14
Altitude
18108577.336726
Surface area
1.8932503118685E+14
Volume
1.0774443628733E+21
Height
9857060.9872681