20485730 is an even 8-digits composite number following 20485729
and preceding 20485731 . In scientific notation, it is written as 2.0485730 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 7929840 positive integers (up to 20485730) that are relatively prime to 20485730.
20485730 has 16 divisors, whose sum is 38064384
The reverse of 20485730 is 03758402
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred eighty-five thousand seven hundred thirty
Scientific notation
2.0485730 × 10^7
Engineering notation
2.0485730 × 10^6
Prime Factorization
2 × 5 × 31 × 66083
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20485730
Product of the distinct prime numbers
The prime factorization of 20485730 is 2 × 5 × 31 × 66083.
Since it has a total of 4 prime factors.
1 , 4 , 33 , 45 , 379 , 525 , 642 , 6519 , 20535 , 45608 , 339171 , 288884 , 2992754 , 1344945 , 90118687 , 82203138 , 107146087 , 258022829 , 3557367615 , 9158144092
n×2
40971460
n×3
61457190
n×4
81942920
n×5
102428650
n÷2
10242865
n÷3
6828576.6666667
n÷3
5121432.5
n÷5
4097146
n2
419665133632900
n3
8.5971466180175E+21
n4
1.7611882438712E+29
n5
3.607922684312E+36
2 √n
4526.1164368584
3 √n
273.6216651363
4 √n
67.276418133388
5 √n
28.992808626316
1 , 2 , 5 , 10 , 31 , 62 , 155 , 310 , 66083 , 132166 , 330415 , 660830 , 2048573 , 4097146 , 10242865 , 20485730
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
-20485729
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 20485730 can be divided by 16 positive divisors.
The sum of these divisors (counting 20485730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001001011001100010
3
Ternary
1102112210010202
4
Quaternary
1032021121202
5
Quinary
20221020410
6
Senary
2011025202
8
Octal
116113142
10
Decimal
20485730
12
Duodecimal
6a3b202
16
Hexadecimal
1389662
20
Vigesimal
680e6a
36
Base36
c72w2
md5
741c70723d0b22f9b82ac51ba7c38504
sha1
c0530c4379e85a2e000e3ecabc9029ae0b84833b
sha256
05c99a2ff2542ea8d616606cc18ffe0aece5649507c1ab6ab48daaef3b09e49d
sha512
04dc93208acbaab5d4e9aade5d07d454c030af5339266a71cd4e8e7b779dba18d62803aba9673263d45b0adec81a83eb1d565655b754a3db6b4436734519dde6
ripemd-160
e58d06b9827ef003504ce1b80db2ce8126d6ff75
Diameter
40971460
Circumference
128715637.74285
Area
1.3184169007889E+15
Volume
3.6011643542664E+22
Surface area
5.2736676031556E+15
Circumference
128715637.74285
Perimeter
81942920
Area
419665133632900
Diagonal
28971197.201113
Surface area
2517990801797400
Volume
8.5971466180175E+21
Space diagonal
35482325.190138
Perimeter
61457190
Area
1.8172033340434E+14
Altitude
17741162.595069
Surface area
1.8172033340434E+14
Volume
1.0131834454092E+21
Height
9657065.7337045