68384706390

Names of 68384706390

• Cardinal: 68384706390 can be written as Sixty-eight billion, three hundred eighty-four million, seven hundred six thousand, three hundred ninety.

Scientific notation

• Scientific notation: 6.838470639 × 10¹⁰

Factors of 68384706390

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3113

Divisors of 68384706390

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 13 14 15 18 21 22 26 30 33 35 39 42 45 55 63 65 66 70 77 78 90 91 99 105 110 117 126 130 143 154 165 182 195 198 210 231 234 271 273 286 315 330 385 390 429 455 462 495 542 546 585 630 693 715 770 813 819 858 910 990 1001 1155 1170 1287 1355 1365 1386 1430 1626 1638 1897 2002 2145 2310 2439 2574 2710 2730 2801 2981 3003 3465 3523 3794 4065 4095 4290 4878 5005 5602 5691 5962 6006 6435 6930 7046 8130 8190 8403 8943 9009 9485 10010 10569 11382 12195 12870 14005 14905 15015 16806 17073 17615 17886 18018 18970 19607 20867 21138 24390 24661 25209 26829 28010 28455 29810 30030 30811 31707 34146 35230 36413 38753 39214 41734 42015 44715 45045 49322 50418 52845 53658 56910 58821 61622 62601 63414 72826 73983 77506 84030 85365 89430 90090 92433 98035 104335 105690 109239 116259 117642 123305 125202 126045 134145 147966 154055 158535 170730 176463 182065 184866 187803 193765 196070 208670 215677 218478 221949 232518 246610 252090 254891 268290 271271 277299 294105 308110 313005 317070 327717 348777 352926 364130 369915 375606 387530 400543 431354 443898 462165 509782 542542 546195 554598 581295 588210 626010 647031 655434 697554 739830 759071 764673 801086 813813 882315 924330 939015 1078385 1092390 1109745 1162590 1201629 1274455 1294062 1356355 1386495 1518142 1529346 1627626 1638585 1743885 1764630 1878030 1941093 2002715 2156770 2219490 2277213 2294019 2403258 2441439 2548910 2712710 2772990 2803801 3235155 3277170 3487770 3604887 3795355 3823365 3882186 4005430 4069065 4554426 4588038 4882878 5313497 5607602 6008145 6470310 6831639 7209774 7590710 7646730 8138130 8349781 8411403 9705465 9867923 10626994 11386065 11470095 12016290 12207195 13663278 14019005 15940491 16699562 16822806 18024435 19410930 19735846 22772130 22940190 24414390 25049343 25234209 26567485 28038010 29603769 31880982 34158195 36048870 41748905 42057015 47821473 49339615 50098686 50468418 53134970 58448467 59207538 68316390 69075461 75148029 79702455 83497810 84114030 88811307 95642946 98679230 108547153 116896934 125246715 126171045 138150922 148018845 150296058 159404910 175345401 177622614 207226383 217094306 239107365 250493430 252342090 292242335 296037690 325641459 345377305 350690802 375740145 414452766 444056535 478214730 526036203 542735765 584484670 621679149 651282918 690754610 751480290 759830071 876727005 888113070 976924377 1036131915 1052072406 1085471530 1243358298 1519660142 1628207295 1753454010 1953848754 2072263830 2279490213 2630181015 3108395745 3256414590 3799150355 4558980426 4884621885 5260362030 6216791490 6838470639 7598300710 9769243770 11397451065 13676941278 22794902130 34192353195 68384706390
• Sum of all divisors σ(n): 239691239424
• Sum of proper divisors (its aliquot sum) s(n): 171306533034
• 68384706390 is an abundant number, because the sum of its proper divisors (171306533034) is greater than itself. Its abundance is 102921826644

Bases of 68384706390

• Binary: 111111101100000010111100111101010110₂
• Hexadecimal: 0xFEC0BCF56
• Base-36: VEYHL5I

Squares and roots of 68384706390

• 68384706390 squared (68384706390²) is 4676468068046506832100
• 68384706390 cubed (68384706390³) is 319798895775570910578287527119000
• The square root of 68384706390 is 261504.6966882239
• The cube root of 68384706390 is 4089.3378807933

Scales and comparisons

• 68,384,706,390 seconds is equal to 2,174 years, 21 weeks, 6 days, 15 hours, 46 minutes, 30 seconds.
• To count from 1 to 68,384,706,390 would take you about four thousand, three hundred forty-eight 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 68384706390 cubic inches would be around 340.8 feet tall.

Recreational maths with 68384706390

• 68384706390 backwards is 09360748386
• The number of decimal digits it has is: 11
• The sum of 68384706390's digits is 54
• More coming soon!