21490854 is an even 8-digits composite number following 21490853
and preceding 21490855 . In scientific notation, it is written as 2.1490854 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 5529600 positive integers (up to 21490854) that are relatively prime to 21490854.
21490854 has 32 divisors, whose sum is 43950816
The reverse of 21490854 is 45809412
Previous prime number is 257
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety thousand eight hundred fifty-four
Scientific notation
2.1490854 × 10^7
Engineering notation
2.1490854 × 10^6
Prime Factorization
2 × 77 × 3 × 257 × 181
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21490854
Product of the distinct prime numbers
The prime factorization of 21490854 is 2 × 77 × 3 × 257 × 181.
Since it has a total of 5 prime factors.
8 , 1 , 96 , 99 , 794 , 932 , 8210 , 2431 , 22347 , 10041 , 146169 , 467235 , 7436849 , 6507263 , 94010450 , 64438705 , 988755220 , 745321915 , 8728018466 , 5625162765
n×2
42981708
n×3
64472562
n×4
85963416
n×5
107454270
n÷2
10745427
n÷3
7163618
n÷3
5372713.5
n÷5
4298170.8
n2
461856805649316
n3
9.9256971791158E+21
n4
2.1331170892459E+29
n5
4.5842507929889E+36
2 √n
4635.8229042965
3 √n
278.02545356369
4 √n
68.086877621877
5 √n
29.271887997687
1 , 2 , 3 , 6 , 77 , 154 , 181 , 231 , 257 , 362 , 462 , 514 , 543 , 771 , 1086 , 1542 , 13937 , 19789 , 27874 , 39578 , 41811 , 46517 , 59367 , 83622 , 93034 , 118734 , 139551 , 279102 , 3581809 , 7163618 , 10745427 , 21490854
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
-21490853
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 21490854 can be divided by 32 positive divisors.
The sum of these divisors (counting 21490854) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111110110010100110
3
Ternary
1111102211220120
4
Quaternary
1101332302212
5
Quinary
21000201404
6
Senary
2044342410
8
Octal
121766246
10
Decimal
21490854
12
Duodecimal
7244a06
16
Hexadecimal
147eca6
20
Vigesimal
6e672e
36
Base36
csmg6
md5
f8c1687d9d1a05493206d5dde382fc70
sha1
cd65e7166cf595ffcd188942514520850bfd4a44
sha256
8807c6c43d9dcb4ff385378f492b432909bc836ccdce3533ce2f9af823171945
sha512
d8a262850176a212e1867f9ec99a461b27d21cc13564fa94ec7707a8d26839dc44a0a18ae38058035612348817ebc579b6680d93b5e45eb863e05986cf843fd3
ripemd-160
eae44fc462ec0bfb1f7c667e7d78247919647643
Diameter
42981708
Circumference
135031018.09154
Area
1.4509659476383E+15
Volume
4.1576663119556E+22
Surface area
5.8038637905534E+15
Circumference
135031018.09154
Perimeter
85963416
Area
461856805649316
Diagonal
30392657.19378
Surface area
2771140833895896
Volume
9.9256971791158E+21
Space diagonal
37223251.026045
Perimeter
64472562
Area
1.9998986330152E+14
Altitude
18611625.513022
Surface area
1.9998986330152E+14
Volume
1.1697546305595E+21
Height
10130885.73126