394385890340

Names of 394385890340

• Cardinal: 394385890340 can be written as Three hundred ninety-four billion, three hundred eighty-five million, eight hundred ninety thousand, three hundred forty.

Scientific notation

• Scientific notation: 3.9438589034 × 10¹¹

Factors of 394385890340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 145

Divisors of 394385890340

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 5 10 13 17 20 26 29 34 52 58 65 68 79 85 116 130 145 158 170 221 260 289 290 316 340 377 395 442 493 578 580 754 790 841 884 986 1027 1105 1156 1343 1445 1508 1580 1682 1885 1972 2054 2210 2291 2465 2686 2890 3364 3757 3770 4108 4205 4420 4582 4930 5135 5372 5780 6241 6409 6715 7514 7540 8381 8410 9164 9860 10270 10933 11455 12482 12818 13430 14297 15028 16762 16820 17459 18785 20540 21866 22831 22910 24964 25636 26860 28594 29783 31205 32045 33524 34918 37570 38947 41905 43732 45662 45820 54665 57188 59566 62410 64090 66439 69836 71485 75140 77894 81133 83810 87295 91324 106097 108953 109330 114155 119132 124820 128180 132878 142970 148915 155788 162266 167620 174590 180989 185861 194735 212194 217906 218660 228310 243049 265756 285940 296803 297830 324532 332195 349180 361978 371722 389470 405665 424388 435812 456620 486098 506311 530485 544765 593606 595660 662099 664390 723956 743444 778940 811330 863707 904945 929305 972196 1012622 1060970 1089530 1129463 1187212 1215245 1324198 1328780 1379261 1484015 1622660 1727414 1803649 1809890 1858610 2025244 2121940 2179060 2258926 2352857 2430490 2531555 2648396 2758522 2968030 3076813 3159637 3310495 3454828 3607298 3619780 3717220 4318535 4517852 4705714 4860980 5063110 5248681 5517044 5647315 5936060 6153626 6319274 6620990 6896305 7214596 8607287 8637070 9018245 9411428 10126220 10497362 11294630 11764285 12307252 12638548 13241980 13792610 14683019 15384065 15798185 17214574 17274140 18036490 19200871 20994724 22589260 23447437 23528570 26243405 27585220 29366038 30768130 31596370 34429148 36072980 38401742 39998569 43036435 46894874 47057140 52305821 52486810 58732076 61536260 63192740 68232853 73415095 76803484 79997138 86072870 89227577 93789748 96004355 104611642 104973620 117237185 136465706 146830190 159994276 172145740 178455154 192008710 199992845 209223284 234474370 249611323 261529105 272931412 293660380 341164265 356910308 384017420 399985690 446137885 468948740 499222646 523058210 679975673 682328530 799971380 892275770 998445292 1046116420 1159958501 1248056615 1359951346 1364657060 1516868809 1784551540 2319917002 2496113230 2719902692 3033737618 3399878365 4639834004 4992226460 5799792505 6067475236 6799756730 7584344045 11599585010 13599513460 15168688090 19719294517 23199170020 30337376180 39438589034 78877178068 98596472585 197192945170 394385890340
• Sum of all divisors σ(n): 993847264956
• Sum of proper divisors (its aliquot sum) s(n): 599461374616
• 394385890340 is an abundant number, because the sum of its proper divisors (599461374616) is greater than itself. Its abundance is 205075484276

Bases of 394385890340

• Binary: 101101111010011001110110001110000100100₂
• Hexadecimal: 0x5BD33B1C24
• Base-36: 516F6CKK

Squares and roots of 394385890340

• 394385890340 squared (394385890340²) is 155540230499274505315600
• 394385890340 cubed (394385890340³) is 61342872289145198502955968691304000
• The square root of 394385890340 is 628001.5050459673
• The cube root of 394385890340 is 7333.4295302303

Scales and comparisons

• 394,385,890,340 seconds is equal to 12,540 years, 13 weeks, 12 hours, 12 minutes, 20 seconds.
• To count from 1 to 394,385,890,340 would take you about twenty-five thousand and eighty 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 394385890340 cubic inches would be around 611.1 feet tall.

Recreational maths with 394385890340

• 394385890340 backwards is 043098583493
• The number of decimal digits it has is: 12
• The sum of 394385890340's digits is 56
• More coming soon!