121990769901

Names of 121990769901

• Cardinal: 121990769901 can be written as One hundred twenty-one billion, nine hundred ninety million, seven hundred sixty-nine thousand, nine hundred one.

Scientific notation

• Scientific notation: 1.21990769901 × 10¹¹

Factors of 121990769901

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 107

Divisors of 121990769901

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 11 13 21 27 33 39 49 63 73 77 91 99 117 121 143 147 189 219 231 273 297 351 363 429 441 511 539 637 657 693 803 819 847 949 1001 1089 1287 1323 1331 1533 1573 1617 1911 1971 2079 2409 2457 2541 2847 3003 3267 3577 3861 3993 4599 4719 4851 5329 5621 5733 5929 6643 7007 7227 7623 8541 8833 9009 9317 10439 10731 11011 11979 13797 14157 14553 15987 16863 17199 17303 17787 19929 21021 21681 22869 25623 26499 27027 27951 31317 32193 33033 35937 37303 39347 42471 46501 47961 50589 51909 53361 58619 59787 61831 63063 65219 69277 73073 77077 79497 83853 93951 96579 97163 99099 111909 114829 118041 121121 139503 143883 151767 155727 160083 175857 179361 185493 189189 195657 207831 219219 231231 238491 251559 261121 281853 291489 297297 335727 344487 354123 363363 410333 418509 432817 467181 484939 511511 527571 556479 586971 623493 644809 657657 680141 693693 762047 783363 803803 847847 874467 1007181 1033461 1062369 1090089 1230999 1255527 1263119 1298451 1454817 1534533 1582713 1669437 1760913 1870479 1934427 1972971 2040423 2081079 2286141 2350089 2411409 2543541 2623401 2872331 3100383 3270267 3394573 3692997 3789357 3895353 4364451 4513663 4603599 4760987 5334329 5626621 5803281 6121269 6858423 7050267 7092899 7234227 7630623 8382517 8616993 8841833 10183719 11078991 11368071 11686059 13093353 13540989 13810797 14282961 16002987 16879863 17409843 18363807 20575269 21278697 21702681 22891869 25147551 25850979 26525499 30551157 31595641 34104213 37340303 40622967 42848883 48008961 49650293 50639589 58677619 61892831 63836091 75442653 77552937 79576497 91653471 92207687 94786923 112020909 121868901 128546649 144026883 148950879 151918767 176032857 185678493 191508273 226327959 238729491 276623061 284360769 336062727 347552051 410743333 446852637 528098571 557035479 645453809 829869183 853082307 1008188181 1042656153 1232229999 1340557911 1584295713 1671106437 1936361427 2489607549 3127968459 3696689997 4518176663 5809084281 9383905377 11090069991 13554529989 17427252843 40663589967 121990769901
• Sum of all divisors σ(n): 252486944640
• Sum of proper divisors (its aliquot sum) s(n): 130496174739
• 121990769901 is an abundant number, because the sum of its proper divisors (130496174739) is greater than itself. Its abundance is 8505404838

Bases of 121990769901

• Binary: 1110001100111001101110110110011101101₂
• Hexadecimal: 0x1C67376CED
• Base-36: 1K1I5KH9

Squares and roots of 121990769901

• 121990769901 squared (121990769901²) is 14881747941038727549801
• 121990769901 cubed (121990769901³) is 1815435888799935927457603309339701
• The square root of 121990769901 is 349271.7708332581
• The cube root of 121990769901 is 4959.5505833727

Scales and comparisons

• 121,990,769,901 seconds is equal to 3,878 years, 48 weeks, 2 days, 4 hours, 58 minutes, 21 seconds.
• To count from 1 to 121,990,769,901 would take you about seven thousand, seven hundred fifty-seven 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 121990769901 cubic inches would be around 413.3 feet tall.

Recreational maths with 121990769901

• 121990769901 backwards is 109967099121
• The number of decimal digits it has is: 12
• The sum of 121990769901's digits is 54
• More coming soon!