121728290736

Names of 121728290736

• Cardinal: 121728290736 can be written as One hundred twenty-one billion, seven hundred twenty-eight million, two hundred ninety thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 1.21728290736 × 10¹¹

Factors of 121728290736

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 490

Divisors of 121728290736

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 31 38 39 48 52 57 62 73 76 78 93 104 114 124 146 152 156 169 186 208 219 228 247 248 292 304 312 338 349 372 403 438 456 494 496 507 584 589 624 676 698 741 744 806 876 912 949 988 1014 1047 1168 1178 1209 1352 1387 1396 1482 1488 1612 1752 1767 1898 1976 2028 2094 2263 2356 2418 2704 2774 2792 2847 2964 3211 3224 3504 3534 3796 3952 4056 4161 4188 4526 4537 4712 4836 5239 5548 5584 5694 5928 6422 6448 6631 6789 7068 7592 7657 8112 8322 8376 9052 9074 9424 9633 9672 10478 10819 11096 11388 11856 12337 12844 13262 13578 13611 14136 15184 15314 15717 16644 16752 18031 18104 18148 19266 19344 19893 20956 21638 22192 22776 22971 24674 25477 25688 26524 27156 27222 28272 29419 30628 31434 32457 33288 36062 36208 36296 37011 38532 39786 41912 42997 43276 45552 45942 49348 50954 51376 53048 54093 54312 54444 58838 58981 61256 62868 64914 66576 72124 72592 74022 76431 77064 79572 83824 85994 86203 86552 88257 91884 98696 99541 101908 106096 108186 108624 108888 117676 117962 122512 125736 128991 129828 140647 144248 148044 152862 154128 159144 171988 172406 173104 176514 176943 183768 197392 199082 203816 205561 216372 217776 234403 235352 235924 251472 257982 258609 259656 281294 288496 296088 298623 305724 318288 331201 343976 344812 353028 353886 367536 382447 398164 407632 411122 421941 432744 468806 470704 471848 484063 515964 517218 519312 558961 562588 592176 597246 611448 616683 662402 687952 689624 703209 706056 707772 764894 789787 796328 822244 843882 865488 937612 943696 968126 993603 1031928 1034436 1117922 1120639 1125176 1147341 1194492 1222896 1233366 1324804 1379248 1406418 1412112 1415544 1452189 1529788 1579574 1592656 1644488 1676883 1687764 1828411 1875224 1936252 1987206 2063856 2068872 2235844 2241278 2250352 2294682 2369361 2388984 2466732 2649608 2672293 2812836 2831088 2904378 3059576 3159148 3288976 3353766 3361917 3375528 3656822 3750448 3872504 3974412 4137744 4305613 4471688 4482556 4589364 4738722 4777968 4933464 5299216 5344586 5485233 5625672 5808756 6119152 6292819 6318296 6707532 6723834 6751056 7266493 7313644 7745008 7948824 8016879 8611226 8943376 8965112 9178728 9477444 9866928 10267231 10689172 10970466 11251344 11617512 12585638 12636592 12916839 13415064 13447668 14532986 14627288 15005953 15897648 16033758 17222452 17930224 18357456 18878457 18954888 20534462 21378344 21799479 21940932 23235024 25171276 25833678 26830128 26895336 29065972 29254576 30011906 30801693 32067516 34444904 34739809 37756914 37909776 41068924 42756688 43598958 43881864 45017859 50342552 51667356 53790672 58131944 60023812 61603386 64135032 68889808 69479618 75513828 81806647 82137848 87197916 87763728 90035718 100685104 103334712 104219427 116263888 120047624 123206772 128270064 133474003 138959236 151027656 163613294 164275696 174395832 180071436 195077389 206669424 208438854 240095248 245419941 246413544 266948006 277918472 302055312 327226588 348791664 360142872 390154778 400422009 416877708 490839882 492827088 533896012 555836944 585232167 654453176 720285744 780309556 800844018 833755416 981679764 1067792024 1170464334 1308906352 1560619112 1601688036 1667510832 1963359528 2135584048 2340928668 2536006057 3121238224 3203376072 3926719056 4681857336 5072012114 6406752144 7608018171 9363714672 10144024228 15216036342 20288048456 30432072684 40576096912 60864145368 121728290736
• Sum of all divisors σ(n): 376142592000
• Sum of proper divisors (its aliquot sum) s(n): 254414301264
• 121728290736 is an abundant number, because the sum of its proper divisors (254414301264) is greater than itself. Its abundance is 132686010528

Bases of 121728290736

• Binary: 1110001010111100100100100111110110000₂
• Hexadecimal: 0x1C57924FB0
• Base-36: 1JX5VQ9C

Squares and roots of 121728290736

• 121728290736 squared (121728290736²) is 14817776765508143421696
• 121728290736 cubed (121728290736³) is 1803742638172920979211796538208256
• The square root of 121728290736 is 348895.8164495525
• The cube root of 121728290736 is 4955.9909876647

Scales and comparisons

• 121,728,290,736 seconds is equal to 3,870 years, 30 weeks, 2 days, 6 hours, 5 minutes, 36 seconds.
• To count from 1 to 121,728,290,736 would take you about seven thousand, seven hundred forty-one 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 121728290736 cubic inches would be around 413 feet tall.

Recreational maths with 121728290736

• 121728290736 backwards is 637092827121
• 121728290736 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121728290736's digits is 48
• More coming soon!