20921484 is an even 8-digits composite number following 20921483
and preceding 20921485 . In scientific notation, it is written as 2.0921484 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 6973824 positive integers (up to 20921484) that are relatively prime to 20921484.
20921484 has 12 divisors, whose sum is 48816824
The reverse of 20921484 is 48412902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred twenty-one thousand four hundred eighty-four
Scientific notation
2.0921484 × 10^7
Engineering notation
2.0921484 × 10^6
Prime Factorization
2 × 2 × 3 × 1743457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10460742
Product of the distinct prime numbers
The prime factorization of 20921484 is 2 × 2 × 3 × 1743457.
Since it has a total of 4 prime factors.
9 , 10 , 54 , 6 , 102 , 588 , 6578 , 6807 , 79950 , 31960 , 887703 , 141146 , 5121771 , 5749790 , 83869947 , 29331203 , 559716625 , 821375147 , 2415926226 , 3286804433
n×2
41842968
n×3
62764452
n×4
83685936
n×5
104607420
n÷2
10460742
n÷3
6973828
n÷3
5230371
n÷5
4184296.8
n2
437708492762256
n3
9.1575112279897E+21
n4
1.9158872463621E+29
n5
4.0083204370568E+36
2 √n
4574.000874508
3 √n
275.54814744315
4 √n
67.631360140899
5 √n
29.115114160734
1 , 2 , 3 , 4 , 6 , 12 , 1743457 , 3486914 , 5230371 , 6973828 , 10460742 , 20921484
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
-20921483
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 20921484 can be divided by 12 positive divisors.
The sum of these divisors (counting 20921484) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111110011110010001100
3
Ternary
1110100220212210
4
Quaternary
1033303302030
5
Quinary
20323441414
6
Senary
2024230420
8
Octal
117636214
10
Decimal
20921484
12
Duodecimal
700b410
16
Hexadecimal
13f3c8c
20
Vigesimal
6af3e4
36
Base36
cgf4c
md5
69fc723e49e92c5526b2b9a6b66074ea
sha1
221147be20adbf2d8d09b2f8b31e980f564f397d
sha256
e750673c6cffe1101adf362081eeb6b32409503707d1e25be9ce269d147be653
sha512
52d765158d748aa910eee0f63e35ddd0239172bf24ec1be8561b18c3502f5ec0ed17cf5831761b7c7a01b13001d6e63fc220aa0d6f89de53430f8bb6496e2790
ripemd-160
264f0a6649f82492c4c7649a163f071e4efdefb4
Diameter
41842968
Circumference
131453560.87319
Area
1.3751017852758E+15
Volume
3.8358893332024E+22
Surface area
5.5004071411031E+15
Circumference
131453560.87319
Perimeter
83685936
Area
437708492762256
Diagonal
29587446.417772
Surface area
2626250956573536
Volume
9.1575112279897E+21
Space diagonal
36237073.257739
Perimeter
62764452
Area
1.8953333709216E+14
Altitude
18118536.62887
Surface area
1.8953333709216E+14
Volume
1.0792230480172E+21
Height
9862482.1392572