21490798 is an even 8-digits composite number following 21490797
and preceding 21490799 . In scientific notation, it is written as 2.1490798 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors.
There are 8678880 positive integers (up to 21490798) that are relatively prime to 21490798.
21490798 has 32 divisors, whose sum is 39029760
The reverse of 21490798 is 89709412
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety thousand seven hundred ninety-eight
Scientific notation
2.1490798 × 10^7
Engineering notation
2.1490798 × 10^6
Prime Factorization
2 × 29 × 7 × 43 × 1231
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21490798
Product of the distinct prime numbers
The prime factorization of 21490798 is 2 × 29 × 7 × 43 × 1231.
Since it has a total of 5 prime factors.
10 , 10 , 100 , 90 , 842 , 766 , 416 , 2459 , 9430 , 85075 , 210570 , 776005 , 3449949 , 7586649 , 85347590 , 47375145 , 241405786 , 739899020 , 2206480899 , 9411506997
n×2
42981596
n×3
64472394
n×4
85963192
n×5
107453990
n÷2
10745399
n÷3
7163599.3333333
n÷3
5372699.5
n÷5
4298159.6
n2
461854398676804
n3
9.9256195873747E+21
n4
2.1330948557711E+29
n5
4.5841910660216E+36
2 √n
4635.8168643724
3 √n
278.02521207431
4 √n
68.086833267325
5 √n
29.27187274257
1 , 2 , 7 , 14 , 29 , 43 , 58 , 86 , 203 , 301 , 406 , 602 , 1231 , 1247 , 2462 , 2494 , 8617 , 8729 , 17234 , 17458 , 35699 , 52933 , 71398 , 105866 , 249893 , 370531 , 499786 , 741062 , 1535057 , 3070114 , 10745399 , 21490798
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
-21490797
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 21490798 can be divided by 32 positive divisors.
The sum of these divisors (counting 21490798) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111110110001101110
3
Ternary
1111102211211111
4
Quaternary
1101332301232
5
Quinary
21000201143
6
Senary
2044342234
8
Octal
121766156
10
Decimal
21490798
12
Duodecimal
724497a
16
Hexadecimal
147ec6e
20
Vigesimal
6e66ji
36
Base36
csmem
md5
9f7b8bf8bff3c5612bd1e1164daa7429
sha1
b9779bd6a5ce04d2de9d4d3d3e1429e48ea062a6
sha256
e21883367538f6e9769b5287bbec38cd459e2d8019aa4ab92e8fef3be20050bd
sha512
a9e8f3c0ec70f0324abdc89301b53f71fe17d6f591301ec90c919c377accf82da649158059e0e8a094d4e410238beabc75af132db44e62c7df8c478347e565f7
ripemd-160
d686df5739c79fae9f11d44ddfbd618b272abccc
Diameter
42981596
Circumference
135030666.23316
Area
1.4509583859112E+15
Volume
4.1576338104031E+22
Surface area
5.8038335436447E+15
Circumference
135030666.23316
Perimeter
85963192
Area
461854398676804
Diagonal
30392577.997821
Surface area
2771126392060824
Volume
9.9256195873747E+21
Space diagonal
37223154.0312
Perimeter
64472394
Area
1.9998882105185E+14
Altitude
18611577.0156
Surface area
1.9998882105185E+14
Volume
1.1697454862851E+21
Height
10130859.332607