18172224210420

Names of 18172224210420

• Cardinal: 18172224210420 can be written as Eighteen trillion, one hundred seventy-two billion, two hundred twenty-four million, two hundred ten thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.817222421042 × 10¹³

Factors of 18172224210420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2425

Divisors of 18172224210420

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 28 30 35 36 38 42 45 49 57 60 63 70 76 84 90 95 98 105 114 126 133 140 147 171 180 190 196 210 228 245 252 266 285 294 315 342 361 380 399 420 441 490 532 570 588 630 665 684 722 735 798 855 882 931 980 1083 1140 1197 1260 1330 1444 1470 1596 1710 1764 1805 1862 1995 2166 2205 2389 2394 2527 2660 2793 2940 3249 3420 3610 3724 3990 4332 4410 4655 4778 4788 5054 5415 5586 5985 6498 7167 7220 7581 7980 8379 8820 9310 9556 10108 10830 11172 11945 11970 12635 12996 13965 14334 15162 16245 16723 16758 17689 18620 21501 21660 22743 23890 23940 25270 27930 28668 30324 32490 33446 33516 35378 35835 37905 41895 43002 45391 45486 47780 50169 50540 53067 55860 64980 66892 70756 71670 75810 83615 83790 86004 88445 90782 90972 100338 106134 107505 113715 117061 136173 143340 150507 151620 159201 167230 167580 176890 181564 200676 212268 215010 226955 227430 234122 250845 265335 272346 301014 317737 318402 334460 351183 353780 408519 430020 453910 454860 468244 501690 530670 544692 585305 602028 635474 636804 680865 702366 752535 796005 817038 862429 907820 953211 1003380 1053549 1061340 1170610 1270948 1361730 1404732 1505070 1588685 1592010 1634076 1724858 1755915 1906422 2042595 2107098 2224159 2341220 2587287 2723460 2859633 3010140 3177370 3184020 3449716 3511830 3812844 4085190 4214196 4312145 4448318 4766055 5174574 5267745 5707321 5719266 6037003 6354740 6672477 7023660 7761861 8170380 8624290 8896636 9532110 10349148 10535490 11120795 11414642 11438532 12074006 12936435 13344954 14298165 15523722 17121963 17248580 18111009 19064220 20017431 21070980 22241590 22829284 24148012 25872870 26689908 28536605 28596330 30185015 31047444 33362385 34243926 36222018 38809305 39951247 40034862 42259021 44483180 51365889 51745740 54333027 57073210 57192660 60370030 66724770 68487852 72444036 77618610 79902494 80069724 84518042 85609815 90555045 100087155 102731778 108439099 108666054 114146420 119853741 120740060 126777063 133449540 155237220 159804988 169036084 171219630 181110090 199756235 200174310 205463556 211295105 216878198 217332108 239707482 253554126 256829445 271665135 279658729 325317297 342439260 359561223 362220180 380331189 399512470 400348620 422590210 433756396 479414964 507108252 513658890 542195495 543330270 559317458 599268705 633885315 650634594 719122446 759073693 760662378 799024940 838976187 845180420 975951891 1027317780 1084390990 1086660540 1118634916 1198537410 1267770630 1301269188 1398293645 1438244892 1518147386 1521324756 1626586485 1677952374 1797806115 1901655945 1951903782 2060342881 2168781980 2277221079 2397074820 2516928561 2535541260 2796587290 3036294772 3253172970 3355904748 3595612230 3795368465 3803311890 3903807564 4120685762 4194880935 4554442158 4879759455 5033857122 5313515851 5593174580 6181028643 6506345940 6831663237 7191224460 7590736930 7606623780 8241371524 8389761870 9108884316 9759518910 10067714244 10301714405 10627031702 11386105395 12362057286 12584642805 13663326474 14422400167 15181473860 15940547553 16779523740 18543085929 19519037820 20603428810 21254063404 22772210790 24724114572 25169285610 26567579255 27326652948 28844800334 30905143215 31881095106 34158316185 37086171858 41206857620 43267200501 45544421580 47821642659 50338571220 53135158510 57689600668 61810286430 63762190212 68316632370 72112000835 74172343716 79702737765 86534401002 92715429645 95643285318 100956801169 106270317020 123620572860 129801601503 136633264740 144224001670 159405475530 173068802004 185430859290 191286570636 201913602338 216336002505 239108213295 259603203006 288448003340 302870403507 318810951060 370861718580 403827204676 432672005010 478216426590 504784005845 519206406012 605740807014 649008007515 865344010020 908611210521 956432853180 1009568011690 1211481614028 1298016015030 1514352017535 1817222421042 2019136023380 2596032030060 3028704035070 3634444842084 4543056052605 6057408070140 9086112105210 18172224210420
• Sum of all divisors σ(n): 67702795407702
• Sum of proper divisors (its aliquot sum) s(n): 49530571197282
• 18172224210420 is an abundant number, because the sum of its proper divisors (49530571197282) is greater than itself. Its abundance is 31358346986862

Bases of 18172224210420

• Binary: 100001000011100001100111110000000010111110100₂
• Hexadecimal: 0x10870CF805F4
• Base-36: 6FW7D3O50

Squares and roots of 18172224210420

• 18172224210420 squared (18172224210420²) is 330229732753774792436576400
• 18172224210420 cubed (18172224210420³) is 6001008744548672739760263958418006088000
• The square root of 18172224210420 is 4262889.1858011043
• The cube root of 18172224210420 is 26290.7330526559

Scales and comparisons

• 18,172,224,210,420 seconds is equal to 577,820 years, 27 weeks, 2 hours, 27 minutes.
• To count from 1 to 18,172,224,210,420 would take you about one million, four hundred forty-four thousand, five hundred fifty-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 18172224210420 cubic inches would be around 2190.9 feet tall.

Recreational maths with 18172224210420

• 18172224210420 backwards is 02401242227181
• 18172224210420 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18172224210420's digits is 36
• More coming soon!