20213895 is an odd 8-digits composite number following 20213894
and preceding 20213896 . In scientific notation, it is written as 2.0213895 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 9516672 positive integers (up to 20213895) that are relatively prime to 20213895.
20213895 has 32 divisors, whose sum is 36352512
The reverse of 20213895 is 59831202
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million two hundred thirteen thousand eight hundred ninety-five
Scientific notation
2.0213895 × 10^7
Engineering notation
2.0213895 × 10^6
Prime Factorization
3 × 5 × 13 × 23 × 4507
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20213895
Product of the distinct prime numbers
The prime factorization of 20213895 is 3 × 5 × 13 × 23 × 4507.
Since it has a total of 5 prime factors.
10 , 8 , 58 , 24 , 429 , 892 , 843 , 6861 , 33125 , 94407 , 402680 , 967605 , 7874424 , 4497099 , 29869790 , 61828852 , 146358651 , 106178312 , 3983617732 , 3528362461
n×2
40427790
n×3
60641685
n×4
80855580
n×5
101069475
n÷2
10106947.5
n÷3
6737965
n÷3
5053473.75
n÷5
4042779
n2
408601551071025
n3
8.2594288501868E+21
n4
1.6695522753765E+29
n5
3.3748154391471E+36
2 √n
4495.9865435742
3 √n
272.40599961773
4 √n
67.052118114003
5 √n
28.915453038753
1 , 3 , 5 , 13 , 15 , 23 , 39 , 65 , 69 , 115 , 195 , 299 , 345 , 897 , 1495 , 4485 , 4507 , 13521 , 22535 , 58591 , 67605 , 103661 , 175773 , 292955 , 310983 , 518305 , 878865 , 1347593 , 1554915 , 4042779 , 6737965 , 20213895
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
-20213894
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 20213895 can be divided by 32 positive divisors.
The sum of these divisors (counting 20213895) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000111000010000111
3
Ternary
1102000222020210
4
Quaternary
1031013002013
5
Quinary
20133321040
6
Senary
2001130503
8
Octal
115070207
10
Decimal
20213895
12
Duodecimal
6929a33
16
Hexadecimal
1347087
20
Vigesimal
666eef
36
Base36
c1953
md5
859089f1a239af41f995925012e498af
sha1
851131e8dfb408c8a45aa033593de48e80a67969
sha256
7067cb894f88704ee183524137a67438d6638183822cd2dfb73f7c333d6a8be1
sha512
10e5cd31dc993958a7581d032a8e7d533416cf7db3fd5e5b40233759c58a4999f02b22e6977a8249e0dd366512d86a3f4aa4ccf5ccb89c0e92c271b2051b69dd
ripemd-160
9606edb8d9760d6a66ba250bf54ba50f1f4e4794
Diameter
40427790
Circumference
127007648.06487
Area
1.2836596310901E+15
Volume
3.4597014664793E+22
Surface area
5.1346385243605E+15
Circumference
127007648.06487
Perimeter
80855580
Area
408601551071025
Diagonal
28586764.457386
Surface area
2451609306426150
Volume
8.2594288501868E+21
Space diagonal
35011493.158862
Perimeter
60641685
Area
1.7692966162662E+14
Altitude
17505746.579431
Surface area
1.7692966162662E+14
Volume
9.7338302478249E+20
Height
9528921.4857952