20921448 is an even 8-digits composite number following 20921447
and preceding 20921449 . In scientific notation, it is written as 2.0921448 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors.
There are 6973808 positive integers (up to 20921448) that are relatively prime to 20921448.
20921448 has 16 divisors, whose sum is 52303680
The reverse of 20921448 is 84412902
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 forty-eight
Scientific notation
2.0921448 × 10^7
Engineering notation
2.0921448 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 871727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5230362
Product of the distinct prime numbers
The prime factorization of 20921448 is 2 × 2 × 2 × 3 × 871727.
Since it has a total of 5 prime factors.
5 , 8 , 80 , 46 , 311 , 992 , 7271 , 5041 , 88568 , 24338 , 852473 , 604188 , 9109894 , 4288763 , 85507509 , 68974846 , 24296759 , 391896200 , 6254905867 , 6261819136
n×2
41842896
n×3
62764344
n×4
83685792
n×5
104607240
n÷2
10460724
n÷3
6973816
n÷3
5230362
n÷5
4184289.6
n2
437706986416704
n3
9.1574639555538E+21
n4
1.9158740595799E+29
n5
4.008285951205E+36
2 √n
4573.9969392207
3 √n
275.54798939606
4 √n
67.631331047235
5 √n
29.115104140939
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 871727 , 1743454 , 2615181 , 3486908 , 5230362 , 6973816 , 10460724 , 20921448
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921447
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921448 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921448) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011110001101000
3
Ternary
1110100220211110
4
Quaternary
1033303301220
5
Quinary
20323441243
6
Senary
2024230320
8
Octal
117636150
10
Decimal
20921448
12
Duodecimal
700b3a0
16
Hexadecimal
13f3c68
20
Vigesimal
6af3c8
36
Base36
cgf3c
md5
1f0a81491694dace865948e1a2b2d2d7
sha1
e24597b0d7cf8049c9c2f18e2f73e32c2bbf2ea5
sha256
9deb4cf2b9973ecb4d660d2baa14d47f157d1d3e29171a3f3687c7467403b99a
sha512
5f23d3e0af7ea58b39cf6dd535b8ad159ae4e2f284446373795a42b8939bc6dab671a3a26a850cd5f749176f3aef3d35b790f337405ba6a5dcb6e4cb0035b81c
ripemd-160
486d4da4f3f64928e904d521185e8f7af0aa6f33
Diameter
41842896
Circumference
131453334.67852
Area
1.3750970529516E+15
Volume
3.8358695317708E+22
Surface area
5.5003882118066E+15
Circumference
131453334.67852
Perimeter
83685792
Area
437706986416704
Diagonal
29587395.506083
Surface area
2626241918500224
Volume
9.1574639555538E+21
Space diagonal
36237010.90391
Perimeter
62764344
Area
1.895326848254E+14
Altitude
18118505.451955
Surface area
1.895326848254E+14
Volume
1.0792174769072E+21
Height
9862465.1686945