21252910 is an even 8-digits composite number following 21252909
and preceding 21252911 . In scientific notation, it is written as 2.1252910 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 7286688 positive integers (up to 21252910) that are relatively prime to 21252910.
21252910 has 16 divisors, whose sum is 43720416
The reverse of 21252910 is 01925212
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million two hundred fifty-two thousand nine hundred ten
Scientific notation
2.1252910 × 10^7
Engineering notation
2.1252910 × 10^6
Prime Factorization
2 × 5 × 7 × 303613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21252910
Product of the distinct prime numbers
The prime factorization of 21252910 is 2 × 5 × 7 × 303613.
Since it has a total of 4 prime factors.
3 , 2 , 72 , 44 , 1 , 970 , 6685 , 7094 , 15980 , 41246 , 316106 , 656266 , 2046101 , 8005085 , 60006280 , 87221630 , 771923580 , 872009298 , 3706354266 , 2065319603
n×2
42505820
n×3
63758730
n×4
85011640
n×5
106264550
n÷2
10626455
n÷3
7084303.3333333
n÷3
5313227.5
n÷5
4250582
n2
451686183468100
n3
9.599645805491E+21
n4
2.0402040833598E+29
n5
4.3360273765278E+36
2 √n
4610.0878516575
3 √n
276.99555571595
4 √n
67.897627732178
5 √n
29.206780085412
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 303613 , 607226 , 1518065 , 2125291 , 3036130 , 4250582 , 10626455 , 21252910
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21252909
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21252910 can be divided by 16 positive divisors.
The sum of these divisors (counting 21252910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000100101100101110
3
Ternary
1110222202111211
4
Quaternary
1101010230232
5
Quinary
20420043120
6
Senary
2035305034
8
Octal
121045456
10
Decimal
21252910
12
Duodecimal
714b17a
16
Hexadecimal
1444b2e
20
Vigesimal
6cgc5a
36
Base36
cnium
md5
55bc2f2f20fd16b9039bc82bd2c37fb4
sha1
3c69fd74a2c9329d9ad7bcaaba560225619f0359
sha256
a27319f911c9e502af3820ffe93fb444f7be50bb4c38dc306d8599c603fcd391
sha512
9ec48dec4d1c8a48087f8ae122ff9d832756ec7e4a2a51c0d55d77b4be952c25861ed331732148353de56b46287ad08e875808cdc55e6ca672e125191f858f82
ripemd-160
ab3365d45778af6b17838e4555185fc4ba81973e
Diameter
42505820
Circumference
133535971.84681
Area
1.4190139957114E+15
Volume
4.021090231946E+22
Surface area
5.6760559828456E+15
Circumference
133535971.84681
Perimeter
85011640
Area
451686183468100
Diagonal
30056153.561895
Surface area
2710117100808600
Volume
9.599645805491E+21
Space diagonal
36811119.928689
Perimeter
63758730
Area
1.9558585471091E+14
Altitude
18405559.964344
Surface area
1.9558585471091E+14
Volume
1.1313291076753E+21
Height
10018717.853965