21079894 is an even 8-digits composite number following 21079893
and preceding 21079895 . In scientific notation, it is written as 2.1079894 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 9581660 positive integers (up to 21079894) that are relatively prime to 21079894.
21079894 has 8 divisors, whose sum is 31881528
The reverse of 21079894 is 49897012
Previous prime number is 121
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million seventy-nine thousand eight hundred ninety-four
Scientific notation
2.1079894 × 10^7
Engineering notation
2.1079894 × 10^6
Prime Factorization
2 × 121 × 87107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21079894
Product of the distinct prime numbers
The prime factorization of 21079894 is 2 × 121 × 87107.
Since it has a total of 3 prime factors.
8 , 6 , 28 , 4 , 403 , 969 , 8177 , 9560 , 20509 , 94123 , 201011 , 347991 , 253579 , 7944547 , 33270560 , 77506083 , 15128697 , 754403504 , 2081337415 , 6943553015
n×2
42159788
n×3
63239682
n×4
84319576
n×5
105399470
n÷2
10539947
n÷3
7026631.3333333
n÷3
5269973.5
n÷5
4215978.8
n2
444361931051236
n3
9.3671024041954E+21
n4
1.9745752576758E+29
n5
4.1623837126829E+36
2 √n
4591.2845697038
3 √n
276.24185025404
4 √n
67.759018364376
5 √n
29.15907107902
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
-21079893
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 21079894 can be divided by 8 positive divisors.
The sum of these divisors (counting 21079894) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011010011101010110
3
Ternary
1110122222011211
4
Quaternary
1100122131112
5
Quinary
20344024034
6
Senary
2031452034
8
Octal
120323526
10
Decimal
21079894
12
Duodecimal
708701a
16
Hexadecimal
141a756
20
Vigesimal
6bejee
36
Base36
cjtcm
md5
f78693863b21d2b49d78139d073ecc55
sha1
5b5b71143eb888bada6c265333720581df2233cf
sha256
0ab7dae7edce819123b28bff29abb7a7e040caeb9d8d906e67ad6ada24362377
sha512
bf1fe99ec1e69bbb2447b1e3f06ec3c27981a0c56615880385e18380d70ebf4e459251b7b2626de2b934db2ba3b067db46eb78a269023dde47af51941aa321ec
ripemd-160
4fa77661f7b4256dfbb7f6425c1d40377060d4e0
Diameter
42159788
Circumference
132448880.2577
Area
1.3960041781255E+15
Volume
3.9236826797925E+22
Surface area
5.5840167125021E+15
Circumference
132448880.2577
Perimeter
84319576
Area
444361931051236
Diagonal
29811471.988187
Surface area
2666171586307416
Volume
9.3671024041954E+21
Space diagonal
36511447.426166
Perimeter
63239682
Area
1.9241436038254E+14
Altitude
18255723.713083
Surface area
1.9241436038254E+14
Volume
1.1039236050126E+21
Height
9937157.3293957