20921792 is an even 8-digits composite number following 20921791
and preceding 20921793 . In scientific notation, it is written as 2.0921792 × 10^7.
The sum of its digits is 32. It has a total of 7 prime factors and 14 positive divisors.
There are 10460864 positive integers (up to 20921792) that are relatively prime to 20921792.
20921792 has 14 divisors, whose sum is 41516808
The reverse of 20921792 is 29712902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million nine hundred twenty-one thousand seven hundred ninety-two
Scientific notation
2.0921792 × 10^7
Engineering notation
2.0921792 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 326903
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
653806
Product of the distinct prime numbers
The prime factorization of 20921792 is 2 × 2 × 2 × 2 × 2 × 2 × 326903.
Since it has a total of 7 prime factors.
7 , 5 , 49 , 65 , 743 , 844 , 7426 , 6100 , 81129 , 8678 , 663943 , 994287 , 9714330 , 5749531 , 13589116 , 1876722 , 586073548 , 648089889 , 4712583426 , 8966717725
n×2
41843584
n×3
62765376
n×4
83687168
n×5
104608960
n÷2
10460896
n÷3
6973930.6666667
n÷3
5230448
n÷5
4184358.4
n2
437721380491264
n3
9.1579156765911E+21
n4
1.9160000693918E+29
n5
4.00861549238E+36
2 √n
4574.0345429391
3 √n
275.5494996164
4 √n
67.631609051826
5 √n
29.115199885077
1 , 2 , 4 , 8 , 16 , 32 , 64 , 326903 , 653806 , 1307612 , 2615224 , 5230448 , 10460896 , 20921792
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921791
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921792 can be divided by 14 positive divisors.
The sum of these divisors (counting 20921792) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
1001111110011110111000000
3
Ternary
1110100221022012
4
Quaternary
1033303313000
5
Quinary
20323444132
6
Senary
2024232052
8
Octal
117636700
10
Decimal
20921792
12
Duodecimal
700b628
16
Hexadecimal
13f3dc0
20
Vigesimal
6af49c
36
Base36
cgfcw
md5
247657673044be5e93d2bd06bdb6f36f
sha1
d839fd86703b3959ea879be0b58674f59786384c
sha256
d527b3a91f51074bce77e141a6f017f90ae40309c5719efa62a1661e9b51f77f
sha512
e86b951c8c4d49ad0d0d48dced3b985cee35de12a4abd647e15863a902cf824159813556b096eae47028d4c043729b34b04c14186bfa58d00f59ceb1e61dd061
ripemd-160
61682e32bdb62ea0094880ba6e0735bd0d548e7e
Diameter
41843584
Circumference
131455496.09427
Area
1.3751422732705E+15
Volume
3.8360587482364E+22
Surface area
5.5005690930822E+15
Circumference
131455496.09427
Perimeter
83687168
Area
437721380491264
Diagonal
29587881.995549
Surface area
2626328282947584
Volume
9.1579156765911E+21
Space diagonal
36237606.729388
Perimeter
62765376
Area
1.8953891764251E+14
Altitude
18118803.364694
Surface area
1.8953891764251E+14
Volume
1.079270712742E+21
Height
9862627.3318496