421285020
421,285,020 is an even composite number composed of six prime numbers multiplied together.
421285020 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 421285020:
22 × 3 × 5 × 13 × 232 × 1021
(2 × 2 × 3 × 5 × 13 × 23 × 23 × 1021)See below for interesting mathematical facts about the number 421285020 from the Numbermatics database.
Names of 421285020
- Cardinal: 421285020 can be written as Four hundred twenty-one million, two hundred eighty-five thousand and twenty.
Scientific notation
- Scientific notation: 4.2128502 × 108
Factors of 421285020
Divisors of 421285020
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 10 12 13 15 20 23 26 30 39 46 52 60 65 69 78 92 115 130 138 156 195 230 260 276 299 345 390 460 529 598 690 780 897 1021 1058 1196 1380 1495 1587 1794 2042 2116 2645 2990 3063 3174 3588 4084 4485 5105 5290 5980 6126 6348 6877 7935 8970 10210 10580 12252 13273 13754 15315 15870 17940 20420 20631 23483 26546 27508 30630 31740 34385 39819 41262 46966 53092 61260 66365 68770 70449 79638 82524 93932 103155 117415 132730 137540 140898 159276 199095 206310 234830 265460 281796 305279 352245 398190 412620 469660 540109 610558 704490 796380 915837 1080218 1221116 1408980 1526395 1620327 1831674 2160436 2700545 3052790 3240654 3663348 4579185 5401090 6105580 6481308 7021417 8101635 9158370 10802180 14042834 16203270 18316740 21064251 28085668 32406540 35107085 42128502 70214170 84257004 105321255 140428340 210642510 421285020
- Sum of all divisors σ(n): 1329270432
- Sum of proper divisors (its aliquot sum) s(n): 907985412
- 421285020 is an abundant number, because the sum of its proper divisors (907985412) is greater than itself. Its abundance is 486700392
Bases of 421285020
- Binary: 110010001110001001100100111002
- Hexadecimal: 0x191C4C9C
- Base-36: 6YTLLO
Squares and roots of 421285020
- 421285020 squared (4212850202) is 177481068076400400
- 421285020 cubed (4212850203) is 74770115314187704042008000
-
The
square root of 421285020 is 20525.2288659591 -
The
cube root of 421285020 is 749.6502191187
Scales and comparisons
How big is 421285020?- 421,285,020 seconds is equal to 13 years, 20 weeks, 3 days, 23 hours, 37 minutes.
-
To count from 1 to 421,285,020 would take you about twenty years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 421285020 cubic inches would be around 62.5 feet tall.
Recreational maths with 421285020
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