121405398642

Names of 121405398642

• Cardinal: 121405398642 can be written as One hundred twenty-one billion, four hundred five million, three hundred ninety-eight thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 1.21405398642 × 10¹¹

Factors of 121405398642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 407

Divisors of 121405398642

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 31 33 54 62 66 79 81 93 99 121 158 162 186 198 237 242 243 279 281 297 341 363 474 486 558 562 594 682 711 726 729 837 843 869 891 1023 1089 1422 1458 1674 1686 1738 1782 2046 2133 2178 2449 2511 2529 2607 2673 3069 3091 3267 3751 4266 4898 5022 5058 5214 5346 6138 6182 6399 6534 7347 7502 7533 7587 7821 8019 8711 9207 9273 9559 9801 11253 12798 14694 15066 15174 15642 16038 17422 18414 18546 19118 19197 19602 22041 22199 22506 22599 22761 23463 26133 26939 27621 27819 28677 29403 33759 34001 38394 44082 44398 45198 45522 46926 52266 53878 55242 55638 57354 57591 58806 66123 66597 67518 68002 68283 70389 78399 80817 82863 83457 86031 88209 95821 101277 102003 115182 132246 133194 136566 140778 156798 161634 165726 166914 172062 176418 191642 198369 199791 202554 204006 204849 211167 235197 242451 244189 248589 250371 258093 287463 296329 303831 306009 396738 399582 409698 422334 470394 484902 488378 497178 500742 516186 574926 592658 595107 599373 607662 612018 633501 688169 705591 727353 732567 751113 774279 862389 888987 911493 918027 1054031 1190214 1198746 1267002 1376338 1411182 1454706 1465134 1502226 1548558 1724778 1777974 1785321 1798119 1822986 1836054 2064507 2108062 2116773 2182059 2197701 2253339 2322837 2587167 2666961 2686079 2734479 2754081 3162093 3570642 3596238 4129014 4233546 4364118 4395402 4506678 4645674 5174334 5333922 5372158 5394357 5468958 5508162 6193521 6324186 6350319 6546177 6593103 6968511 7569859 7761501 8000883 8058237 8262243 9486279 10788714 12387042 12700638 13092354 13186206 13937022 15139718 15523002 16001766 16116474 16183071 16524486 18580563 18972558 19638531 19779309 22709577 23284503 24002649 24174711 24786729 28458837 32366142 37161126 39277062 39558618 45419154 46569006 48005298 48349422 49573458 55741689 56917674 59337927 68128731 69853509 72007947 72524133 83268449 85376511 111483378 118675854 136257462 139707018 144015894 145048266 166536898 167225067 170753022 178013781 204386193 216023841 217572399 249805347 256129533 334450134 356027562 408772386 432047682 435144798 499610694 501675201 512259066 613158579 652717197 749416041 768388599 1003350402 1226317158 1305434394 1498832082 1536777198 1839475737 1958151591 2248248123 3678951474 3916303182 4496496246 5518427211 6744744369 11036854422 13489488738 20234233107 40468466214 60702699321 121405398642
• Sum of all divisors σ(n): 314834365440
• Sum of proper divisors (its aliquot sum) s(n): 193428966798
• 121405398642 is an abundant number, because the sum of its proper divisors (193428966798) is greater than itself. Its abundance is 72023568156

Bases of 121405398642

• Binary: 1110001000100010100110101111001110010₂
• Hexadecimal: 0x1C44535E72
• Base-36: 1JRTN14I

Squares and roots of 121405398642

• 121405398642 squared (121405398642²) is 14739270819422935444164
• 121405398642 cubed (121405398642³) is 1789427049524439473996561752425288
• The square root of 121405398642 is 348432.7749250921
• The cube root of 121405398642 is 4951.6050794833

Scales and comparisons

• 121,405,398,642 seconds is equal to 3,860 years, 16 weeks, 3 days, 1 hour, 50 minutes, 42 seconds.
• To count from 1 to 121,405,398,642 would take you about seven thousand, seven hundred twenty 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 121405398642 cubic inches would be around 412.6 feet tall.

Recreational maths with 121405398642

• 121405398642 backwards is 246893504121
• The number of decimal digits it has is: 12
• The sum of 121405398642's digits is 45
• More coming soon!