73438188748821

Names of 73438188748821

• Cardinal: 73438188748821 can be written as Seventy-three trillion, four hundred thirty-eight billion, one hundred eighty-eight million, seven hundred forty-eight thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 7.3438188748821 × 10¹³

Factors of 73438188748821

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1629

Divisors of 73438188748821

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 9 13 17 27 39 51 81 89 117 153 181 221 233 267 351 459 543 663 699 801 1053 1093 1157 1377 1513 1629 1989 2097 2353 2403 3029 3077 3279 3471 3961 4539 4887 5967 6291 7059 7209 9087 9231 9837 10413 11883 13617 14209 14661 16109 17901 18581 18873 19669 20737 21177 27261 27693 29511 31239 35649 40001 40851 42173 42627 48327 51493 55743 59007 62211 63531 81783 83079 88533 93717 97277 106947 120003 122553 126519 127881 144981 154479 167229 177021 186633 190593 197833 209417 241553 245349 249237 254669 269581 273853 291831 320841 352529 360009 379557 383643 434943 463437 501687 531063 548249 559899 593499 628251 716941 724659 764007 808743 821559 875493 1057587 1080027 1138671 1150929 1264601 1304829 1390311 1505061 1593189 1644747 1653709 1679697 1780497 1884753 2150823 2173977 2292021 2426229 2464677 2571829 2626479 3172761 3240081 3310697 3363161 3416013 3560089 3753397 3793803 4170933 4329373 4582877 4934241 4961127 5341491 5654259 6452469 6521931 6876063 7278687 7394031 7715487 7879437 9320233 9518283 9932091 10089483 10680267 11260191 11381409 12988119 13748631 14802723 14883381 16024473 16962777 17607137 19357407 19565793 20628189 21498217 21836061 22182093 22665541 23146461 27960699 28554849 29796273 30268449 32040801 33780573 34144227 38964357 41245893 43721093 44408169 44650143 46095089 48794161 52821411 56281849 58072221 63807749 64494651 67996623 69439383 83882097 89388819 90805347 96122403 101341719 102432681 116893071 123737679 131163279 133950429 138285267 146382483 158464233 168845547 191423247 193483953 203989869 208318149 228892781 251646291 268166457 272416041 288367209 294652033 299321329 304025157 350679213 371213037 385314197 393489837 414855801 439147449 475392699 506536641 574269741 580451859 599236157 611969607 686678343 754938873 783616513 829500737 883956099 897963987 1155942591 1180469511 1244567403 1317442347 1426178097 1519609923 1722809223 1741355577 1797708471 1835908821 2060035029 2350849539 2488502211 2651868297 2693891961 3467827773 3541408533 3733702209 3891177277 3952327041 4102462921 4558829769 5009084561 5168427669 5393125413 6180105087 7052548617 7465506633 7955604891 8081675883 10187014669 10403483319 11673531831 12307388763 15027253683 16179376239 18540315261 21157645851 22396519899 23866814673 24245027649 30561044007 31210449957 35020595493 36922166289 45081761049 48538128717 53332017973 63472937553 67189559697 69741869657 91683132021 105061786479 110766498867 135245283147 159996053919 209225608971 275049396063 315185359437 332299496601 405735849441 479988161757 627676826913 825148188189 906644305541 1439964485271 1883030480739 2719932916623 4319893455813 5649091442217 8159798749869 24479396249607 73438188748821
• Sum of all divisors σ(n): 127859495924160
• Sum of proper divisors (its aliquot sum) s(n): 54421307175339
• 73438188748821 is a deficient number, because the sum of its proper divisors (54421307175339) is less than itself. Its deficiency is 19016881573482

Bases of 73438188748821

• Binary: 10000101100101010101001001001110100000000010101₂
• Hexadecimal: 0x42CAA9274015
• Base-36: Q151DGOB9

Squares and roots of 73438188748821

• 73438188748821 squared (73438188748821²) is 5393167566707459313428890041
• 73438188748821 cubed (73438188748821³) is 396064457717882068531388142003420577391661
• The square root of 73438188748821 is 8569608.4361434507
• The cube root of 73438188748821 is 41876.8480061381

Scales and comparisons

• 73,438,188,748,821 seconds is equal to 2,335,107 years, 12 weeks, 4 days, 10 hours, 40 minutes, 21 seconds.
• To count from 1 to 73,438,188,748,821 would take you about five million, eight hundred thirty-seven thousand, seven hundred sixty-eight 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 73438188748821 cubic inches would be around 3489.7 feet tall.

Recreational maths with 73438188748821

• 73438188748821 backwards is 12884788183437
• The number of decimal digits it has is: 14
• The sum of 73438188748821's digits is 72
• More coming soon!