189988386892071999

Names of 189988386892071999

• Cardinal: 189988386892071999 can be written as One hundred eighty-nine quadrillion, nine hundred eighty-eight trillion, three hundred eighty-six billion, eight hundred ninety-two million, seventy-one thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.89988386892071999 × 10¹⁷

Factors of 189988386892071999

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 712

Divisors of 189988386892071999

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 11 21 33 49 77 121 147 231 343 363 539 691 847 1029 1331 1617 2073 2401 2541 3773 3993 4837 5929 7203 7601 9317 11319 14511 14641 16807 17787 22803 26411 27951 33859 41503 43923 50421 53207 65219 79233 83611 101577 102487 117649 124509 159621 161051 184877 195657 237013 250833 290521 307461 352947 372449 456533 477481 483153 554631 585277 711039 717409 823543 871563 919721 1117347 1127357 1294139 1369599 1432443 1659091 1755831 2033647 2152227 2470629 2607143 2759163 3195731 3342367 3382071 3882417 4096939 4977273 5021863 5252291 6100941 6438047 7821429 7891499 9058973 9587193 10027101 10116931 11613637 12290817 14235529 15065589 15756873 18250001 19314141 22370117 23396569 23674497 27176919 28678573 30350793 34840911 35153041 36766037 42706587 45066329 54750003 55240493 57775201 67110351 70189707 70818517 81295459 86035719 99648703 105459123 110298111 111286241 127750007 135198987 156590819 163775983 165721479 173325603 200750011 212455551 243886377 246071287 257362259 298946109 315464303 333858723 383250021 386683451 404426407 469772457 491327949 495729619 569068213 602250033 635527211 738213861 772086777 779003687 894250049 946392909 1096135733 1146431881 1160050353 1213279221 1405250077 1487188857 1707204639 1722499009 1801535813 1906581633 2208250121 2337011061 2682750147 2706784157 2830984849 3288407199 3439295643 3470107333 4215750231 4448690477 5167497027 5404607439 5453025809 6259750343 6624750363 6990799321 8025023167 8120352471 8492954547 9836750539 10410321999 12057493063 12610750691 13346071431 15457750847 16359077427 18779251029 18947489099 19816893943 20972397963 24075069501 24290751331 29510251617 31140833339 36172479189 37832252073 38171180663 46373252541 48935595247 56175162169 56842467297 59450681829 68857253773 72872253993 76898792531 88275254837 93422500017 108204255929 114513541989 132632423693 138718257601 146806785741 168525486507 170035259317 206571761319 217985833373 230696377593 264825764511 267198264641 324612767787 342549166729 393226135183 397897271079 416154772803 510105777951 538291547717 617926783859 653957500119 757429791503 801594793923 971027803207 1027647500187 1179678405549 1190246815219 1525900833611 1614874643151 1853780351577 1870387852487 2272289374509 2397844167103 2913083409621 3570740445657 3768040834019 4325487487013 4577702500833 5611163557461 6797194622449 7193532501309 8331727706533 10681305835277 11304122502057 12976462461039 13092714967409 16784909169721 20391583867347 24995183119599 26376285838133 32043917505831 39278144902227 47580362357143 50354727509163 74769140846939 79128857514399 91649004771863 117494364188047 142741087071429 184634000866931 224307422540817 274947014315589 352483092564141 523383985928573 553902002600793 822460549316329 1292438006068517 1570151957785719 2467381647948987 3877314018205551 5757223845214303 9047066042479619 17271671535642909 27141198127438857 63329462297357333 189988386892071999
• Sum of all divisors σ(n): 325562145285081600
• Sum of proper divisors (its aliquot sum) s(n): 135573758393009601
• 189988386892071999 is a deficient number, because the sum of its proper divisors (135573758393009601) is less than itself. Its deficiency is 54414628499062398

Bases of 189988386892071999

• Binary: 1010100010111110010110111001101000001001101100010000111111₂
• Hexadecimal: 0x2A2F96E6826C43F
• Base-36: 1FYP9G14R70F

Squares and roots of 189988386892071999

• 189988386892071999 squared (189988386892071999²) is 36095587153851635367399679399856001
• 189988386892071999 cubed (189988386892071999³) is 6857742377282468474327931017711421696593049124215999
• The square root of 189988386892071999 is 435876573.0021194877
• The cube root of 189988386892071999 is 574877.9949256229

Scales and comparisons

• 189,988,386,892,071,999 seconds is equal to 6,041,043,030 years, 26 weeks, 16 hours, 26 minutes, 39 seconds.
• To count from 1 to 189,988,386,892,071,999 would take you about eighteen billion, one hundred twenty-three million, one hundred twenty-nine thousand and ninety-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 189988386892071999 cubic inches would be around 47906.5 feet tall.

Recreational maths with 189988386892071999

• 189988386892071999 backwards is 999170298683889981
• The number of decimal digits it has is: 18
• The sum of 189988386892071999's digits is 114
• More coming soon!