121638896730

Names of 121638896730

• Cardinal: 121638896730 can be written as One hundred twenty-one billion, six hundred thirty-eight million, eight hundred ninety-six thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 1.2163889673 × 10¹¹

Factors of 121638896730

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7882

Divisors of 121638896730

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 79 90 117 130 158 173 195 234 237 346 390 395 474 519 585 711 790 865 1027 1038 1170 1185 1422 1557 1730 2054 2249 2370 2595 3081 3114 3555 4498 5135 5190 6162 6747 7110 7607 7785 9243 10270 11245 13494 13667 15214 15405 15570 18486 20241 22490 22821 27334 30810 33735 38035 40482 41001 45642 46215 67470 68335 68463 76070 82002 92430 98891 101205 114105 123003 136670 136926 177671 197782 202410 205005 228210 246006 296673 342315 355342 410010 494455 533013 593346 600953 615015 684630 888355 890019 988910 1066026 1201906 1230030 1316011 1483365 1599039 1776710 1780038 1802859 2632022 2665065 2966730 3004765 3198078 3605718 3948033 4450095 5330130 5408577 6009530 6580055 7812389 7896066 7995195 8900190 9014295 10817154 11844099 13160110 15624778 15990390 17108143 18028590 19740165 23437167 23688198 27042885 34216286 39061945 39480330 46874334 51324429 54085770 59220495 70311501 78123890 85540715 102648858 103964869 117185835 118440990 140623002 153973287 171081430 207929738 234371670 256622145 307946574 311894607 351557505 513244290 519824345 623789214 703115010 769866435 935683821 1039648690 1351543297 1539732870 1559473035 1871367642 2703086594 3118946070 4054629891 4678419105 6757716485 8109259782 9356838210 12163889673 13515432970 20273149455 24327779346 40546298910 60819448365 121638896730
• Sum of all divisors σ(n): 346939407360
• Sum of proper divisors (its aliquot sum) s(n): 225300510630
• 121638896730 is an abundant number, because the sum of its proper divisors (225300510630) is greater than itself. Its abundance is 103661613900

Bases of 121638896730

• Binary: 1110001010010001111100100010001011010₂
• Hexadecimal: 0x1C523E445A
• Base-36: 1JVONPEI

Squares and roots of 121638896730

• 121638896730 squared (121638896730²) is 14796021197691604692900
• 121638896730 cubed (121638896730³) is 1799771694480900017627646464217000
• The square root of 121638896730 is 348767.6830355703
• The cube root of 121638896730 is 4954.7775080897

Scales and comparisons

• 121,638,896,730 seconds is equal to 3,867 years, 38 weeks, 3 days, 14 hours, 25 minutes, 30 seconds.
• To count from 1 to 121,638,896,730 would take you about seven thousand, seven hundred thirty-five 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 121638896730 cubic inches would be around 412.9 feet tall.

Recreational maths with 121638896730

• 121638896730 backwards is 037698836121
• The number of decimal digits it has is: 12
• The sum of 121638896730's digits is 54
• More coming soon!