21092078 is an even 8-digits composite number following 21092077
and preceding 21092079 . In scientific notation, it is written as 2.1092078 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 9023136 positive integers (up to 21092078) that are relatively prime to 21092078.
21092078 has 16 divisors, whose sum is 36223200
The reverse of 21092078 is 87029012
Previous prime number is 773
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million ninety-two thousand seventy-eight
Scientific notation
2.1092078 × 10^7
Engineering notation
2.1092078 × 10^6
Prime Factorization
2 × 7 × 773 × 1949
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21092078
Product of the distinct prime numbers
The prime factorization of 21092078 is 2 × 7 × 773 × 1949.
Since it has a total of 4 prime factors.
3 , 1 , 11 , 19 , 681 , 395 , 1998 , 1076 , 31792 , 13009 , 504560 , 15790 , 9827369 , 1662539 , 35412469 , 59659270 , 356830392 , 141958701 , 16975531 , 4846849877
n×2
42184156
n×3
63276234
n×4
84368312
n×5
105460390
n÷2
10546039
n÷3
7030692.6666667
n÷3
5273019.5
n÷5
4218415.6
n2
444875754358084
n3
9.3833541112295E+21
n4
1.9791443681567E+29
n5
4.1744267386423E+36
2 √n
4592.6112398068
3 √n
276.29506181916
4 √n
67.76880727744
5 √n
29.162441039157
1 , 2 , 7 , 14 , 773 , 1546 , 1949 , 3898 , 5411 , 10822 , 13643 , 27286 , 1506577 , 3013154 , 10546039 , 21092078
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
-21092077
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 21092078 can be divided by 16 positive divisors.
The sum of these divisors (counting 21092078) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011101011011101110
3
Ternary
1110200120220002
4
Quaternary
1100131123232
5
Quinary
20344421303
6
Senary
2032024302
8
Octal
120353356
10
Decimal
21092078
12
Duodecimal
7092092
16
Hexadecimal
141d6ee
20
Vigesimal
6bga3i
36
Base36
ck2r2
md5
8f1634e426957c9dcaede4e44cce2294
sha1
812f2600216fa9cf78eff0c1528bbb6a60c1aa72
sha256
4a9d3add2a59610d0f5c112be6dc50feef1d9b6d64607e8e7d77167263549065
sha512
fc89afcf46358a4214b8e0cdb7d7be05ccaa863dbd180a78823baf1564b82fb0df4c30070178aa3cecb90248cbad0a89125f6952a976a24596a7ed02b3fd68e4
ripemd-160
de3e598964a29885098d788502414617f49f0e2a
Diameter
42184156
Circumference
132525434.58749
Area
1.3976184016516E+15
Volume
3.930490178916E+22
Surface area
5.5904736066063E+15
Circumference
132525434.58749
Perimeter
84368312
Area
444875754358084
Diagonal
29828702.766231
Surface area
2669254526148504
Volume
9.3833541112295E+21
Space diagonal
36532550.733206
Perimeter
63276234
Area
1.9263685240093E+14
Altitude
18266275.366603
Surface area
1.9263685240093E+14
Volume
1.1058388870542E+21
Height
9942900.9220771