21076978 is an even 8-digits composite number following 21076977
and preceding 21076979 . In scientific notation, it is written as 2.1076978 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 9727824 positive integers (up to 21076978) that are relatively prime to 21076978.
21076978 has 8 divisors, whose sum is 34047468
The reverse of 21076978 is 87967012
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million seventy-six thousand nine hundred seventy-eight
Scientific notation
2.1076978 × 10^7
Engineering notation
2.1076978 × 10^6
Prime Factorization
2 × 13 × 810653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21076978
Product of the distinct prime numbers
The prime factorization of 21076978 is 2 × 13 × 810653.
Since it has a total of 3 prime factors.
10 , 3 , 34 , 30 , 422 , 322 , 7397 , 8781 , 7308 , 98165 , 22444 , 24385 , 9231013 , 3371214 , 96930800 , 82239302 , 134168043 , 243357212 , 8970273970 , 3483469847
n×2
42153956
n×3
63230934
n×4
84307912
n×5
105384890
n÷2
10538489
n÷3
7025659.3333333
n÷3
5269244.5
n÷5
4215395.6
n2
444239001612484
n3
9.3632156637283E+21
n4
1.9734829055366E+29
n5
4.159505578337E+36
2 √n
4590.9670005349
3 √n
276.22911207517
4 √n
67.756674951881
5 √n
29.158264314466
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21076977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21076978 can be divided by 8 positive divisors.
The sum of these divisors (counting 21076978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011001101111110010
3
Ternary
1110122211011211
4
Quaternary
1100121233302
5
Quinary
20343430403
6
Senary
2031430334
8
Octal
120315762
10
Decimal
21076978
12
Duodecimal
70853aa
16
Hexadecimal
1419bf2
20
Vigesimal
6bec8i
36
Base36
cjr3m
md5
ab570ff68853440ab6b6e052f26d6506
sha1
38d5828cb6065aa7486eef3d181ce4bc7456c964
sha256
d90b866d889846ed58f9b420bbff852e5b31cc248abc82810ef5d9b8560537c9
sha512
dc5178060a08e5a20012e40e41d2b5087d25f3ab0256f7285650a1cf2e724879f2a0dca330c2de7ab340f4b496403a2019c139cc60d60aff88078022be22a9fc
ripemd-160
fb10c60dd13cc806ab2a51bfd86047e3dc8f67a9
Diameter
42153956
Circumference
132430558.48935
Area
1.3956179839038E+15
Volume
3.9220546057528E+22
Surface area
5.5824719356154E+15
Circumference
132430558.48935
Perimeter
84307912
Area
444239001612484
Diagonal
29807348.141439
Surface area
2665434009674904
Volume
9.3632156637283E+21
Space diagonal
36506396.766011
Perimeter
63230934
Area
1.9236113037412E+14
Altitude
18253198.383006
Surface area
1.9236113037412E+14
Volume
1.1034655482557E+21
Height
9935782.7138131