21085300 is an even 8-digits composite number following 21085299
and preceding 21085301 . In scientific notation, it is written as 2.1085300 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 8434080 positive integers (up to 21085300) that are relatively prime to 21085300.
21085300 has 12 divisors, whose sum is 38375428
The reverse of 21085300 is 00358012
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million eighty-five thousand three hundred
Scientific notation
2.1085300 × 10^7
Engineering notation
2.1085300 × 10^6
Prime Factorization
2 × 2 × 25 × 210853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10542650
Product of the distinct prime numbers
The prime factorization of 21085300 is 2 × 2 × 25 × 210853.
Since it has a total of 4 prime factors.
8 , 4 , 7 , 18 , 466 , 193 , 5919 , 6618 , 91339 , 870 , 598045 , 134391 , 4409127 , 914176 , 84982998 , 78728936 , 999357451 , 518070227 , 4210279529 , 921239565
n×2
42170600
n×3
63255900
n×4
84341200
n×5
105426500
n÷2
10542650
n÷3
7028433.3333333
n÷3
5271325
n÷5
4217060
n2
444589876090000
n3
9.3743109143205E+21
n4
1.9766015792172E+29
n5
4.1677237278269E+36
2 √n
4591.8732560906
3 √n
276.26546257709
4 √n
67.763362195884
5 √n
29.160566511307
1 , 2 , 4 , 25 , 50 , 100 , 210853 , 421706 , 843412 , 5271325 , 10542650 , 21085300
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21085299
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21085300 can be divided by 12 positive divisors.
The sum of these divisors (counting 21085300) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011011110001110100
3
Ternary
1110200020121001
4
Quaternary
1100123301310
5
Quinary
20344212200
6
Senary
2031533044
8
Octal
120336164
10
Decimal
21085300
12
Duodecimal
708a184
16
Hexadecimal
141bc74
20
Vigesimal
6bfd50
36
Base36
cjxis
md5
fb645f31d94a709b5a9f0ca306a734aa
sha1
b4f04ae78f994c019c239127cf78c255fd65af22
sha256
cb6b4d7928f08baf9f9c33896c397cc40a1fe08b2806d268f8d8efeb714b3616
sha512
532d446a675044a13f7b7a0436fa4bf37fc33f82ef357b2d4aa74af6120e6ab0b65928972b79b15cc1b1bc9709cd0e6a4dfdb24e6ac6d21bd663dbd04620144d
ripemd-160
a25750398370e3eaaa9e074232ed8276e45dc9c8
Diameter
42170600
Circumference
132482847.15747
Area
1.3967202885847E+15
Volume
3.9267021734528E+22
Surface area
5.586881154339E+15
Circumference
132482847.15747
Perimeter
84341200
Area
444589876090000
Diagonal
29819117.226705
Surface area
2667539256540000
Volume
9.3743109143205E+21
Space diagonal
36520810.892832
Perimeter
63255900
Area
1.9251306347966E+14
Altitude
18260405.446416
Surface area
1.9251306347966E+14
Volume
1.1047731360778E+21
Height
9939705.7422351