21494898 is an even 8-digits composite number following 21494897
and preceding 21494899 . In scientific notation, it is written as 2.1494898 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 7164960 positive integers (up to 21494898) that are relatively prime to 21494898.
21494898 has 8 divisors, whose sum is 35824860
The reverse of 21494898 is 89849412
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million four hundred ninety-four thousand eight hundred ninety-eight
Scientific notation
2.1494898 × 10^7
Engineering notation
2.1494898 × 10^6
Prime Factorization
2 × 9 × 1194161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21494898
Product of the distinct prime numbers
The prime factorization of 21494898 is 2 × 9 × 1194161.
Since it has a total of 3 prime factors.
9 , 4 , 20 , 86 , 903 , 340 , 8201 , 3982 , 1617 , 59295 , 734116 , 734842 , 7977964 , 255426 , 63652565 , 5628486 , 581445313 , 146373617 , 8317419131 , 8979807987
n×2
42989796
n×3
64484694
n×4
85979592
n×5
107474490
n÷2
10747449
n÷3
7164966
n÷3
5373724.5
n÷5
4298979.6
n2
462030640030404
n3
9.9313014803283E+21
n4
2.134723123269E+29
n5
4.588565579291E+36
2 √n
4636.2590522964
3 √n
278.04289143778
4 √n
68.090080425098
5 √n
29.27298955099
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
-21494897
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 21494898 can be divided by 8 positive divisors.
The sum of these divisors (counting 21494898) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111110001110010
3
Ternary
1111110001110100
4
Quaternary
1101333301302
5
Quinary
21000314043
6
Senary
2044413230
8
Octal
121776162
10
Decimal
21494898
12
Duodecimal
7247216
16
Hexadecimal
147fc72
20
Vigesimal
6e6h4i
36
Base36
cspki
md5
c843de88a2f49cf28559b9424105bed0
sha1
f9da0abd2d475a11cc0789ef864e691928e50614
sha256
46017b2fae7582307f9248380a76bc956fb5411da80156c51f03fb76a6de4332
sha512
7e81d64d7b8ccf7d845eac79c1009a067ff0662104608ef9716d32f86895e2fbd1bfba60a95ccf2463cabd5d8076274c307b68a1fe4a76a964d9296035ee4ef0
ripemd-160
eb9ca0825f422d0ab696d4a862947877bc97549d
Diameter
42989796
Circumference
135056427.29292
Area
1.4515120644529E+15
Volume
4.160013836158E+22
Surface area
5.8060482578116E+15
Circumference
135056427.29292
Perimeter
85979592
Area
462030640030404
Diagonal
30398376.273426
Surface area
2772183840182424
Volume
9.9313014803283E+21
Space diagonal
37230255.439511
Perimeter
64484694
Area
2.0006513579656E+14
Altitude
18615127.719755
Surface area
2.0006513579656E+14
Volume
1.1704151037914E+21
Height
10132792.091142