21490178 is an even 8-digits composite number following 21490177
and preceding 21490179 . In scientific notation, it is written as 2.1490178 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors.
There are 9797760 positive integers (up to 21490178) that are relatively prime to 21490178.
21490178 has 32 divisors, whose sum is 35235840
The reverse of 21490178 is 87109412
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety thousand one hundred seventy-eight
Scientific notation
2.1490178 × 10^7
Engineering notation
2.1490178 × 10^6
Prime Factorization
2 × 19 × 61 × 73 × 127
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21490178
Product of the distinct prime numbers
The prime factorization of 21490178 is 2 × 19 × 61 × 73 × 127.
Since it has a total of 5 prime factors.
3 , 3 , 17 , 24 , 856 , 328 , 6895 , 3804 , 80795 , 35716 , 794642 , 92708 , 8231097 , 4322476 , 59905404 , 24793381 , 105001268 , 163242226 , 40440094 , 5937704461
n×2
42980356
n×3
64470534
n×4
85960712
n×5
107450890
n÷2
10745089
n÷3
7163392.6666667
n÷3
5372544.5
n÷5
4298035.6
n2
461827750471684
n3
9.9247605629761E+21
n4
2.1328487110574E+29
n5
4.5835298447693E+36
2 √n
4635.7499932589
3 √n
278.02253841387
4 √n
68.086342193269
5 √n
29.27170384451
1 , 2 , 19 , 38 , 61 , 73 , 122 , 127 , 146 , 254 , 1159 , 1387 , 2318 , 2413 , 2774 , 4453 , 4826 , 7747 , 8906 , 9271 , 15494 , 18542 , 84607 , 147193 , 169214 , 176149 , 294386 , 352298 , 565531 , 1131062 , 10745089 , 21490178
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490177
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490178 can be divided by 32 positive divisors.
The sum of these divisors (counting 21490178) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111110101000000010
3
Ternary
1111102210222112
4
Quaternary
1101332220002
5
Quinary
21000141203
6
Senary
2044335322
8
Octal
121765002
10
Decimal
21490178
12
Duodecimal
7244542
16
Hexadecimal
147ea02
20
Vigesimal
6e658i
36
Base36
cslxe
md5
5270a1752d28548981a76dde0a9a361d
sha1
191d28d01215a7beea2f02aa62d811e02127a38b
sha256
aa18aa18cbe02d46cf663046d340e57c09f445a87fd0426d5b599642524d4384
sha512
c12fa734d458d461c4ee7a8b34786fc7d7f5adcc7dce64b8653637007536d747de145ff8b2f6d68f93b6012f7adbfcd6234a7ca8ef3545e8b4ca34472d88dd21
ripemd-160
c9a86dc966df50f90aaabb3e005fdf66921df3b5
Diameter
42980356
Circumference
135026770.65827
Area
1.4508746681057E+15
Volume
4.1572739831044E+22
Surface area
5.803498672423E+15
Circumference
135026770.65827
Perimeter
85960712
Area
461827750471684
Diagonal
30391701.185412
Surface area
2770966502830104
Volume
9.9247605629761E+21
Space diagonal
37222080.159699
Perimeter
64470534
Area
1.9997728204055E+14
Altitude
18611040.079849
Surface area
1.9997728204055E+14
Volume
1.1696442492889E+21
Height
10130567.061804