21208093 is an odd 8-digits composite number following 21208092
and preceding 21208094 . In scientific notation, it is written as 2.1208093 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 20157984 positive integers (up to 21208093) that are relatively prime to 21208093.
21208093 has 8 divisors, whose sum is 22269888
The reverse of 21208093 is 39080212
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million two hundred eight thousand ninety-three
Scientific notation
2.1208093 × 10^7
Engineering notation
2.1208093 × 10^6
Prime Factorization
23 × 163 × 5657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21208093
Product of the distinct prime numbers
The prime factorization of 21208093 is 23 × 163 × 5657.
Since it has a total of 3 prime factors.
6 , 4 , 2 , 13 , 779 , 632 , 9992 , 6100 , 19881 , 37497 , 360942 , 385786 , 3169169 , 6524046 , 21765461 , 82307262 , 349896421 , 999198186 , 7823468751 , 368064843
n×2
42416186
n×3
63624279
n×4
84832372
n×5
106040465
n÷2
10604046.5
n÷3
7069364.3333333
n÷3
5302023.25
n÷5
4241618.6
n2
449783208696649
n3
9.5390441198769E+21
n4
2.0230493482545E+29
n5
4.2905018721372E+36
2 √n
4605.2245330711
3 √n
276.80071422321
4 √n
67.861804670014
5 √n
29.19445174291
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21208092
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21208093 can be divided by 8 positive divisors.
The sum of these divisors (counting 21208093) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000111001110000011101
3
Ternary
1110220111000221
4
Quaternary
1100321300131
5
Quinary
20412124333
6
Senary
2034321341
8
Octal
120716035
10
Decimal
21208093
12
Duodecimal
7129251
16
Hexadecimal
1439c1d
20
Vigesimal
6cb04d
36
Base36
cmk9p
md5
469e8772a222a1846b49db0ba3333c11
sha1
81fcf0595bc9ae952355d63f6c71aad07f8f61e5
sha256
cb1b671bd8dc348c19d2f8e2ea35ffa94455cd3011fbcfe7c7d7736e01430811
sha512
fc795f36c90783f064e445a52654d684c373cdb45ea351565894423d23fe40748472997b493217eec260a1c52b82396e013f79a9dda5155d23bb26553f05387a
ripemd-160
82d40b321c3f17693133f7d216b3bb4102e60a3e
Diameter
42416186
Circumference
133254378.3309
Area
1.4130356241494E+15
Volume
3.9957054572366E+22
Surface area
5.6521424965977E+15
Circumference
133254378.3309
Perimeter
84832372
Area
449783208696649
Diagonal
29992772.75267
Surface area
2698699252179894
Volume
9.5390441198769E+21
Space diagonal
36733494.607646
Perimeter
63624279
Area
1.9476184246349E+14
Altitude
18366747.303823
Surface area
1.9476184246349E+14
Volume
1.1241871305338E+21
Height
9997590.9175566