18421449984
18,421,449,984 is an even composite number composed of six prime numbers multiplied together.
What does the number 18421449984 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 432 divisors.
18421449984 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 18421449984:
28 × 32 × 7 × 23 × 53 × 937
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 23 × 53 × 937)See below for interesting mathematical facts about the number 18421449984 from the Numbermatics database.
Names of 18421449984
- Cardinal: 18421449984 can be written as Eighteen billion, four hundred twenty-one million, four hundred forty-nine thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 1.8421449984 × 1010
Factors of 18421449984
Divisors of 18421449984
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 32 36 42 46 48 53 56 63 64 69 72 84 92 96 106 112 126 128 138 144 159 161 168 184 192 207 212 224 252 256 276 288 318 322 336 368 371 384 414 424 448 477 483 504 552 576 636 644 672 736 742 768 828 848 896 937 954 966 1008 1104 1113 1152 1219 1272 1288 1344 1449 1472 1484 1656 1696 1792 1874 1908 1932 2016 2208 2226 2304 2438 2544 2576 2688 2811 2898 2944 2968 3312 3339 3392 3657 3748 3816 3864 4032 4416 4452 4876 5088 5152 5376 5622 5796 5888 5936 6559 6624 6678 6784 7314 7496 7632 7728 8064 8433 8533 8832 8904 9752 10176 10304 10971 11244 11592 11872 13118 13248 13356 13568 14628 14992 15264 15456 16128 16866 17066 17664 17808 19504 19677 20352 20608 21551 21942 22488 23184 23744 25599 26236 26496 26712 29256 29984 30528 30912 33732 34132 35616 39008 39354 40704 41216 43102 43884 44976 46368 47488 49661 51198 52472 52992 53424 58512 59031 59968 61056 61824 64653 67464 68264 71232 76797 78016 78708 86204 87768 89952 92736 94976 99322 102396 104944 106848 117024 118062 119936 122112 123648 129306 134928 136528 142464 148983 150857 153594 156032 157416 172408 175536 179904 185472 193959 198644 204792 209888 213696 234048 236124 239872 258612 269856 273056 284928 297966 301714 307188 312064 314832 344816 347627 351072 359808 370944 387918 397288 409584 419776 427392 446949 452571 468096 472248 517224 539712 546112 595932 603428 614376 629664 689632 695254 702144 719616 775836 794576 819168 839552 854784 893898 905142 936192 944496 1034448 1042881 1079424 1092224 1142203 1191864 1206856 1228752 1259328 1357713 1379264 1390508 1404288 1551672 1589152 1638336 1679104 1787796 1810284 1888992 2068896 2085762 2158848 2184448 2284406 2383728 2413712 2457504 2518656 2715426 2758528 2781016 2808576 3103344 3128643 3178304 3276672 3426609 3575592 3620568 3777984 4137792 4171524 4568812 4767456 4827424 4915008 5037312 5430852 5517056 5562032 6206688 6257286 6356608 6553344 6853218 7151184 7241136 7555968 7995421 8275584 8343048 9137624 9534912 9654848 9830016 10279827 10861704 11124064 12413376 12514572 12713216 13706436 14302368 14482272 15111936 15990842 16551168 16686096 18275248 19069824 19309696 19660032 20559654 21723408 22248128 23986263 24826752 25029144 27412872 28604736 28964544 31981684 33372192 36550496 38139648 38619392 41119308 43446816 44496256 47972526 49653504 50058288 54825744 57209472 57929088 63963368 66744384 71958789 73100992 82238616 86893632 88992512 95945052 100116576 109651488 114418944 115858176 127926736 133488768 143917578 146201984 164477232 173787264 191890104 200233152 219302976 255853472 266977536 287835156 292403968 328954464 347574528 383780208 400466304 438605952 511706944 575670312 657908928 767560416 800932608 877211904 1023413888 1151340624 1315817856 1535120832 2046827776 2302681248 2631635712 3070241664 4605362496 6140483328 9210724992 18421449984
- Sum of all divisors σ(n): 64604397312
- Sum of proper divisors (its aliquot sum) s(n): 46182947328
- 18421449984 is an abundant number, because the sum of its proper divisors (46182947328) is greater than itself. Its abundance is 27761497344
Bases of 18421449984
- Binary: 100010010100000000100000101000000002
- Hexadecimal: 0x44A010500
- Base-36: 8GNNLS0
Squares and roots of 18421449984
- 18421449984 squared (184214499842) is 339349819513013600256
- 18421449984 cubed (184214499843) is 6251315727238407274227673595904
-
The
square root of 18421449984 is 135725.6423230335 -
The
cube root of 18421449984 is 2641.0377187667
Scales and comparisons
How big is 18421449984?- 18,421,449,984 seconds is equal to 585 years, 38 weeks, 5 days, 5 hours, 26 minutes, 24 seconds.
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To count from 1 to 18,421,449,984 would take you about one thousand, one hundred seventy-one 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 18421449984 cubic inches would be around 220.1 feet tall.
Recreational maths with 18421449984
- 18421449984 backwards is 48994412481
- The number of decimal digits it has is: 11
- The sum of 18421449984's digits is 54
- More coming soon!
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