121554738942

Names of 121554738942

• Cardinal: 121554738942 can be written as One hundred twenty-one billion, five hundred fifty-four million, seven hundred thirty-eight thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.21554738942 × 10¹¹

Factors of 121554738942

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 898

Divisors of 121554738942

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 43 49 78 86 91 98 129 147 157 182 258 273 294 301 314 343 471 546 559 602 637 673 686 903 942 1029 1099 1118 1274 1346 1677 1806 1911 2019 2041 2058 2107 2198 3297 3354 3822 3913 4038 4082 4214 4459 4711 6123 6321 6594 6751 7693 7826 8749 8918 9422 11739 12246 12642 13377 13502 14133 14287 14749 15386 17498 20253 23079 23478 26247 26754 27391 28266 28574 28939 29498 32977 40506 42861 44247 46158 47257 52494 53851 54782 57878 61243 65954 82173 85722 86817 87763 88494 94514 98931 100009 105661 107702 122486 141771 161553 164346 173634 175526 183729 191737 197862 200018 202573 211322 230839 263289 283542 300027 316983 323106 330799 367458 376207 383474 405146 428701 461678 526578 575211 600054 607719 614341 633966 661598 692517 700063 739627 752414 857402 992397 1128621 1150422 1215438 1228682 1286103 1373593 1385034 1400126 1418011 1479254 1843023 1984794 2100189 2218881 2257242 2315593 2572206 2633449 2747186 2836022 3000907 3686046 4120779 4200378 4254033 4300387 4437762 4543423 4631186 5177389 5266898 6001814 6946779 7900347 8241558 8508066 8600774 9002721 9086846 9615151 9926077 10354778 12901161 13630269 13893558 15532167 15800694 18005442 18434143 19230302 19852154 25802322 27260538 28845453 29778231 30102709 31064334 31803961 36241723 36868286 55302429 57690906 59064499 59556462 60205418 63607922 67306057 72483446 90308127 95411883 108725169 110604858 118128998 129039001 134612114 177193497 180616254 190823766 201918171 217450338 222627727 258078002 354386994 387117003 403836342 413451493 445255454 471142399 667883181 774234006 826902986 942284798 1240354479 1335766362 1413427197 1558394089 2480708958 2826854394 2894160451 3116788178 4675182267 5788320902 8682481353 9350364534 17364962706 20259123157 40518246314 60777369471 121554738942
• Sum of all divisors σ(n): 314875545600
• Sum of proper divisors (its aliquot sum) s(n): 193320806658
• 121554738942 is an abundant number, because the sum of its proper divisors (193320806658) is greater than itself. Its abundance is 71766067716

Bases of 121554738942

• Binary: 1110001001101001110100001111011111110₂
• Hexadecimal: 0x1C4D3A1EFE
• Base-36: 1JUAJWU6

Squares and roots of 121554738942

• 121554738942 squared (121554738942²) is 14775554559257771279364
• 121554738942 cubed (121554738942³) is 1796038677173856257147836371792888
• The square root of 121554738942 is 348647.0119504827
• The cube root of 121554738942 is 4953.6345641553

Scales and comparisons

• 121,554,738,942 seconds is equal to 3,865 years, 3 weeks, 2 days, 13 hours, 15 minutes, 42 seconds.
• To count from 1 to 121,554,738,942 would take you about seven thousand, seven hundred thirty 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 121554738942 cubic inches would be around 412.8 feet tall.

Recreational maths with 121554738942

• 121554738942 backwards is 249837455121
• The number of decimal digits it has is: 12
• The sum of 121554738942's digits is 51
• More coming soon!