121518239940

Names of 121518239940

• Cardinal: 121518239940 can be written as One hundred twenty-one billion, five hundred eighteen million, two hundred thirty-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.2151823994 × 10¹¹

Factors of 121518239940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 189

Divisors of 121518239940

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 43 45 53 60 83 86 90 106 129 159 166 172 180 212 215 249 258 265 318 332 387 415 430 477 498 516 530 636 645 747 774 795 830 860 954 996 1060 1245 1290 1494 1548 1590 1660 1849 1908 1935 2279 2385 2490 2580 2988 3180 3569 3698 3735 3870 4399 4558 4770 4980 5547 6837 6889 7138 7396 7470 7740 8798 9116 9245 9540 10707 11094 11395 13197 13674 13778 14276 14940 16641 17596 17845 18490 20511 20667 21414 21995 22188 22790 26394 27348 27556 27735 32121 33282 34185 34445 35690 36980 39591 41022 41334 42828 43990 45580 52788 53535 55470 62001 64242 65985 66564 68370 68890 71380 79182 82044 82668 83205 87980 97997 102555 103335 107070 110940 124002 128484 131970 136740 137780 153467 158364 160605 166410 189157 195994 197955 205110 206670 214140 248004 263940 293991 296227 306934 310005 321210 332820 365117 378314 391988 395910 410220 413340 460401 489985 567471 587982 592454 613868 620010 642420 730234 756628 767335 791820 881973 888681 920802 945785 979970 1095351 1134942 1175964 1184908 1240020 1381203 1460468 1469955 1481135 1534670 1702413 1763946 1777362 1825585 1841604 1891570 1959940 2190702 2269884 2302005 2666043 2762406 2837355 2939910 2962270 3069340 3286053 3404826 3527892 3554724 3651170 3783140 4381404 4409865 4443405 4604010 5332086 5476755 5524812 5674710 5879820 5924540 6572106 6809652 6906015 7302340 8133751 8512065 8819730 8886810 9208020 10664172 10953510 11349420 12737761 13144212 13330215 13812030 15700031 16267502 16430265 17024130 17639460 17773620 21907020 24401253 25475522 26660430 27624060 31400062 32535004 32860530 34048260 38213283 40668755 47100093 48802506 50951044 53320860 62800124 63688805 65721060 73203759 76426566 78500155 81337510 94200186 97605012 114639849 122006265 127377610 141300279 146407518 152853132 157000310 162675020 188400372 191066415 229279698 235500465 244012530 254755220 282600558 292815036 314000620 366018795 382132830 458559396 471000930 488025060 565201116 573199245 675101333 706501395 732037590 764265660 942001860 1146398490 1350202666 1413002790 1464075180 2025303999 2292796980 2700405332 2826005580 3375506665 4050607998 6075911997 6751013330 8101215996 10126519995 12151823994 13502026660 20253039990 24303647988 30379559985 40506079980 60759119970 121518239940
• Sum of all divisors σ(n): 389185527276
• Sum of proper divisors (its aliquot sum) s(n): 267667287336
• 121518239940 is an abundant number, because the sum of its proper divisors (267667287336) is greater than itself. Its abundance is 146149047396

Bases of 121518239940

• Binary: 1110001001011000011010011000011000100₂
• Hexadecimal: 0x1C4B0D30C4
• Base-36: 1JTOTM10

Squares and roots of 121518239940

• 121518239940 squared (121518239940²) is 14766682638115411203600
• 121518239940 cubed (121518239940³) is 1794421283936340728050828991784000
• The square root of 121518239940 is 348594.6642448791
• The cube root of 121518239940 is 4953.1387084915

Scales and comparisons

• 121,518,239,940 seconds is equal to 3,863 years, 47 weeks, 2 hours, 39 minutes.
• To count from 1 to 121,518,239,940 would take you about seven thousand, seven hundred twenty-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 121518239940 cubic inches would be around 412.8 feet tall.

Recreational maths with 121518239940

• 121518239940 backwards is 049932815121
• 121518239940 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121518239940's digits is 45
• More coming soon!