121628668137687

Names of 121628668137687

• Cardinal: 121628668137687 can be written as One hundred twenty-one trillion, six hundred twenty-eight billion, six hundred sixty-eight million, one hundred thirty-seven thousand, six hundred eighty-seven.

Scientific notation

• Scientific notation: 1.21628668137687 × 10¹⁴

Factors of 121628668137687

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 162

Divisors of 121628668137687

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 9 17 27 41 51 81 101 123 153 243 289 303 369 459 697 867 909 1107 1377 1681 1717 2091 2601 2727 3321 4131 4141 5043 5151 6273 7803 8181 9963 10201 11849 12423 15129 15453 18819 23409 24543 28577 29189 30603 35547 37269 45387 46359 56457 70227 70397 85731 87567 91809 106641 111807 136161 139077 169371 169781 173417 211191 257193 262701 275427 319923 335421 408483 417231 418241 485809 509343 520251 633573 771579 788103 826281 959769 1006263 1030301 1196749 1254723 1457427 1528029 1560753 1900719 2314737 2364309 2478843 2879307 2886277 2948089 3090903 3590247 3764169 4372281 4584087 4682259 5702157 6944211 7092927 7110097 8658831 8844267 9272709 10770741 11292507 13116843 13752261 14046777 17106471 17147881 17515117 21330291 25976493 26532801 27818127 32312223 33877521 39350529 41256783 42140331 42242341 49066709 51443643 52545351 63990873 77929479 79598403 83454381 96936669 101632563 118051587 120871649 126727023 147200127 154330929 157636053 191972619 233788437 238795209 250363143 290810007 291513977 297756989 362614947 380181069 441600381 462992787 472908159 575917857 701365311 716385627 718119797 874541931 893270967 1087844841 1140543207 1324801143 1388978361 1418724477 1727753571 1731935981 2154359391 2623625793 2679812901 3263534523 3421629621 3974403429 4166935083 4256173431 4955737609 5195807943 6463078173 7870877379 8039438703 9790603569 10264888863 11923210287 12208036549 14867212827 15587423829 19389234519 23612632137 24118316109 29371810707 29442911677 36624109647 44601638481 46762271487 58167703557 70837896411 72354948327 88328735031 109872328941 133804915443 140286814461 174503110671 264986205093 329616986823 401414746329 420860443383 500529498509 794958615279 988850960469 1204244238987 1501588495527 2384875845837 2966552881407 4504765486581 7154627537511 13514296459743 40542889379229 121628668137687
• Sum of all divisors σ(n): 200359771409616
• Sum of proper divisors (its aliquot sum) s(n): 78731103271929
• 121628668137687 is a deficient number, because the sum of its proper divisors (78731103271929) is less than itself. Its deficiency is 42897564865758

Bases of 121628668137687

• Binary: 11011101001111011100001100011110001000011010111₂
• Hexadecimal: 0x6E9EE18F10D7
• Base-36: 1743FSNEFR

Squares and roots of 121628668137687

• 121628668137687 squared (121628668137687²) is 14793532912947596840789709969
• 121628668137687 cubed (121628668137687³) is 1799317705252853323731276257853604088501703
• The square root of 121628668137687 is 11028538.8033812983
• The cube root of 121628668137687 is 49546.3862208859

Scales and comparisons

• 121,628,668,137,687 seconds is equal to 3,867,415 years, 22 weeks, 13 hours, 21 minutes, 27 seconds.
• To count from 1 to 121,628,668,137,687 would take you about nine million, six hundred sixty-eight thousand, five hundred thirty-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 121628668137687 cubic inches would be around 4128.9 feet tall.

Recreational maths with 121628668137687

• 121628668137687 backwards is 786731866826121
• The number of decimal digits it has is: 15
• The sum of 121628668137687's digits is 72
• More coming soon!