20245890 is an even 8-digits composite number following 20245889
and preceding 20245891 . In scientific notation, it is written as 2.0245890 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 4596480 positive integers (up to 20245890) that are relatively prime to 20245890.
20245890 has 32 divisors, whose sum is 37271040
The reverse of 20245890 is 09854202
Previous prime number is 229
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million two hundred forty-five thousand eight hundred ninety
Scientific notation
2.0245890 × 10^7
Engineering notation
2.0245890 × 10^6
Prime Factorization
2 × 15 × 7 × 229 × 421
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20245890
Product of the distinct prime numbers
The prime factorization of 20245890 is 2 × 15 × 7 × 229 × 421.
Since it has a total of 5 prime factors.
2 , 8 , 72 , 65 , 590 , 572 , 5578 , 8361 , 76987 , 72205 , 445680 , 99193 , 7533618 , 3993943 , 87822756 , 50411372 , 544055190 , 629869293 , 2974660862 , 7350880604
n×2
40491780
n×3
60737670
n×4
80983560
n×5
101229450
n÷2
10122945
n÷3
6748630
n÷3
5061472.5
n÷5
4049178
n2
409896061892100
n3
8.2987105805006E+21
n4
1.6801478155465E+29
n5
3.4016087857295E+36
2 √n
4499.5433101594
3 √n
272.54964726813
4 √n
67.078635273531
5 √n
28.924600852537
1 , 2 , 7 , 14 , 15 , 30 , 105 , 210 , 229 , 421 , 458 , 842 , 1603 , 2947 , 3206 , 3435 , 5894 , 6315 , 6870 , 12630 , 24045 , 44205 , 48090 , 88410 , 96409 , 192818 , 674863 , 1349726 , 1446135 , 2892270 , 10122945 , 20245890
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
-20245889
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 20245890 can be divided by 32 positive divisors.
The sum of these divisors (counting 20245890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101001110110110000010
3
Ternary
1102002121010210
4
Quaternary
1031032312002
5
Quinary
20140332030
6
Senary
2001534550
8
Octal
115166602
10
Decimal
20245890
12
Duodecimal
6944456
16
Hexadecimal
134ed82
20
Vigesimal
66aeea
36
Base36
c1xtu
md5
d6b6a0b377f398f43feafe75a795ef04
sha1
53b18b47b280fa14a0c6a98adbc38004d6996de3
sha256
5303299766805ac99731171005213854359ce2e9165f460a72029d9d84b40c99
sha512
5ac8d8ad9eafd3794982f5afb6548585e692c827da5eeacad6865f919ec3a3cbeaecd403e920950d90bb0a966ab949de47ab53b223eb683a58631b26071b1d53
ripemd-160
3b489852904065a91470c27341bdc36abd2e26a0
Diameter
40491780
Circumference
127208678.57877
Area
1.2877264567756E+15
Volume
3.4761557591958E+22
Surface area
5.1509058271024E+15
Circumference
127208678.57877
Perimeter
80983560
Area
409896061892100
Diagonal
28632012.220314
Surface area
2459376371352600
Volume
8.2987105805006E+21
Space diagonal
35066910.124451
Perimeter
60737670
Area
1.7749020125488E+14
Altitude
17533455.062225
Surface area
1.7749020125488E+14
Volume
9.7801242109609E+20
Height
9544004.0734379