121481683208788491918

Names of 121481683208788491918

• Cardinal: 121481683208788491918 can be written as One hundred twenty-one quintillion, four hundred eighty-one quadrillion, six hundred eighty-three trillion, two hundred eight billion, seven hundred eighty-eight million, four hundred ninety-one thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 1.21481683208788491918 × 10²⁰

Factors of 121481683208788491918

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 672577377647

Divisors of 121481683208788491918

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 63 73 126 146 219 269 438 511 538 657 807 1022 1314 1533 1614 1883 2421 3066 3766 4599 4842 5329 5649 9198 10658 11298 15987 16947 19637 31974 33894 37303 39274 47961 58911 74606 95922 111909 117822 137459 176733 223818 274918 335727 353466 412377 671454 824754 1237131 1433501 2474262 2867002 4300503 8601006 10034507 12901509 20069014 25803018 30103521 60207042 90310563 180621126 672577377293 1345154754586 2017732131879 4035464263758 4708041641051 6053196395637 9416083282102 12106392791274 14124124923153 28248249846306 42372374769459 49098148542389 84744749538918 98196297084778 147294445627167 180923314491817 294588891254334 343687039796723 361846628983634 441883336881501 542769943475451 687374079593446 883766673763002 1031061119390169 1085539886950902 1266463201442719 1628309830426353 2062122238780338 2532926402885438 3093183358170507 3256619660852706 3584164843594397 3799389604328157 6186366716341014 7168329687188794 7598779208656314 10752494530783191 11398168812984471 13207401957902641 21504989061566382 22796337625968942 25089153905160779 26414803915805282 32257483592349573 39622205873707923 50178307810321558 64514967184699146 75267461715482337 79244411747415846 92451813705318487 118866617621123769 150534923430964674 184903627410636974 225802385146447011 237733235242247538 277355441115955461 451604770292894022 554710882231910922 832066323347866383 964140342926892793 1664132646695732766 1928280685853785586 2892421028780678379 5784842057561356758 6748982400488249551 8677263086342035137 13497964800976499102 17354526172684070274 20246947201464748653 40493894402929497306 60740841604394245959 121481683208788491918
• Sum of all divisors σ(n): 306122732376321163680
• Sum of proper divisors (its aliquot sum) s(n): 184641049167532671762
• 121481683208788491918 is an abundant number, because the sum of its proper divisors (184641049167532671762) is greater than itself. Its abundance is 63159365958744179844

Bases of 121481683208788491918

• Binary: 1101001010111100101101000110011110110101000010111111011111010001110₂
• Hexadecimal: 0x695E5A33DA85FBE8E
• Base-36: PMYLAOD0H5YFI

Squares and roots of 121481683208788491918

• 121481683208788491918 squared (121481683208788491918²) is 14757799355240443822053710345392751318724
• 121481683208788491918 cubed (121481683208788491918³) is 1792802306132182656579122265040416858810008379737189716072632
• The square root of 121481683208788491918 is 11021872944.6854218361
• The cube root of 121481683208788491918 is 4952641.9690146377

Scales and comparisons

• 121,481,683,208,788,491,918 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,481,683,208,788,491,918 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 121481683208788491918 cubic inches would be around 412720.2 feet tall.

Recreational maths with 121481683208788491918

• 121481683208788491918 backwards is 819194887802386184121
• The number of decimal digits it has is: 21
• The sum of 121481683208788491918's digits is 99
• More coming soon!