20921480 is an even 8-digits composite number following 20921479
and preceding 20921481 . In scientific notation, it is written as 2.0921480 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors.
There are 8163840 positive integers (up to 20921480) that are relatively prime to 20921480.
20921480 has 32 divisors, whose sum is 48225240
The reverse of 20921480 is 08412902
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million nine hundred twenty-one thousand four hundred eighty
Scientific notation
2.0921480 × 10^7
Engineering notation
2.0921480 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 41 × 12757
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5230370
Product of the distinct prime numbers
The prime factorization of 20921480 is 2 × 2 × 2 × 5 × 41 × 12757.
Since it has a total of 6 prime factors.
5 , 9 , 9 , 85 , 308 , 321 , 298 , 7091 , 36545 , 27413 , 124111 , 402311 , 2433200 , 2270310 , 26348610 , 2860061 , 726578667 , 996431650 , 1943352554 , 9826938587
n×2
41842960
n×3
62764440
n×4
83685920
n×5
104607400
n÷2
10460740
n÷3
6973826.6666667
n÷3
5230370
n÷5
4184296
n2
437708325390400
n3
9.1575059754887E+21
n4
1.9158857811607E+29
n5
4.0083166052838E+36
2 √n
4574.000437254
3 √n
275.54812988237
4 √n
67.631356908272
5 √n
29.115113047424
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 41 , 82 , 164 , 205 , 328 , 410 , 820 , 1640 , 12757 , 25514 , 51028 , 63785 , 102056 , 127570 , 255140 , 510280 , 523037 , 1046074 , 2092148 , 2615185 , 4184296 , 5230370 , 10460740 , 20921480
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
-20921479
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 20921480 can be divided by 32 positive divisors.
The sum of these divisors (counting 20921480) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111110011110010001000
3
Ternary
1110100220212122
4
Quaternary
1033303302020
5
Quinary
20323441410
6
Senary
2024230412
8
Octal
117636210
10
Decimal
20921480
12
Duodecimal
700b408
16
Hexadecimal
13f3c88
20
Vigesimal
6af3e0
36
Base36
cgf48
md5
fbb26c996071c4fa788042e143dd504a
sha1
2884078f6c962f3ba94c6c3f696b6a5a0f902ffd
sha256
1d1d564b211fc83fb32fbcdfb0fea76e6e14219a81c8614c7b5294ad2907b949
sha512
495b353153514935c26fa12828eeeb575e838c190d0265b4745b9469439afee1add9a69fda24819ee68126d3ad40bfb19cd2c916933ef2d7584d335176c47b09
ripemd-160
c0f793590305c47650fe251b3153fba8d1307044
Diameter
41842960
Circumference
131453535.74045
Area
1.3751012594616E+15
Volume
3.83588713304E+22
Surface area
5.5004050378463E+15
Circumference
131453535.74045
Perimeter
83685920
Area
437708325390400
Diagonal
29587440.760917
Surface area
2626249952342400
Volume
9.1575059754887E+21
Space diagonal
36237066.329536
Perimeter
62764440
Area
1.8953326461802E+14
Altitude
18118533.164768
Surface area
1.8953326461802E+14
Volume
1.0792224290041E+21
Height
9862480.2536392