394345814940

Names of 394345814940

• Cardinal: 394345814940 can be written as Three hundred ninety-four billion, three hundred forty-five million, eight hundred fourteen thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.9434581494 × 10¹¹

Factors of 394345814940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 917868

Divisors of 394345814940

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 28 30 31 33 35 36 42 44 45 55 60 62 63 66 70 77 84 90 93 99 105 110 124 126 132 140 154 155 165 180 186 198 210 217 220 231 252 279 308 310 315 330 341 372 385 396 420 434 462 465 495 558 620 630 651 660 682 693 770 868 924 930 990 1023 1085 1116 1155 1260 1302 1364 1386 1395 1540 1705 1860 1953 1980 2046 2170 2310 2387 2604 2772 2790 3069 3255 3410 3465 3906 4092 4340 4620 4774 5115 5580 6138 6510 6820 6930 7161 7812 9548 9765 10230 11935 12276 13020 13860 14322 15345 19530 20460 21483 23870 28644 30690 35805 39060 42966 47740 61380 71610 85932 107415 143220 214830 429660 917809 1835618 2753427 3671236 4589045 5506854 6424663 8260281 9178090 10095899 11013708 12849326 13767135 16520562 18356180 19273989 20191798 25698652 27534270 28452079 30287697 32123315 33041124 38547978 40383596 41301405 50479495 55068540 56904158 57821967 60575394 64246630 70671293 77095956 82602810 85356237 90863091 96369945 100958990 113808316 115643934 121150788 128493260 141342586 142260395 151438485 165205620 170712474 181726182 192739890 199164553 201917980 212013879 231287868 256068711 282685172 284520790 289109835 302876970 312972869 341424948 353356465 363452364 385479780 398329106 424027758 426781185 454315455 512137422 569041580 578219670 597493659 605753940 625945738 636041637 706712930 796658212 848055516 853562370 908630910 938918607 995822765 1024274844 1060069395 1156439340 1194987318 1251891476 1272083274 1280343555 1413425860 1564864345 1707124740 1792480977 1817261820 1877837214 1991645530 2120138790 2190810083 2389974636 2544166548 2560687110 2816755821 2987468295 3129728690 3180208185 3584961954 3755674428 3983291060 4240277580 4381620166 4694593035 5121374220 5633511642 5974936590 6259457380 6360416370 6572430249 7169923908 8763240332 8962404885 9389186070 10954050415 11267023284 11949873180 12720832740 13144860498 14083779105 17924809770 18778372140 19717290747 21908100830 26289720996 28167558210 32862151245 35849619540 39434581494 43816201660 56335116420 65724302490 78869162988 98586453735 131448604980 197172907470 394345814940
• Sum of all divisors σ(n): 1539453726720
• Sum of proper divisors (its aliquot sum) s(n): 1145107911780
• 394345814940 is an abundant number, because the sum of its proper divisors (1145107911780) is greater than itself. Its abundance is 750762096840

Bases of 394345814940

• Binary: 101101111010000110101111001101110011100₂
• Hexadecimal: 0x5BD0D79B9C
• Base-36: 515RBE70

Squares and roots of 394345814940

• 394345814940 squared (394345814940²) is 155508621760692727203600
• 394345814940 cubed (394345814940³) is 61324174178416591168034749301784000
• The square root of 394345814940 is 627969.5971462313
• The cube root of 394345814940 is 7333.1811270933

Scales and comparisons

• 394,345,814,940 seconds is equal to 12,538 years, 50 weeks, 5 days, 16 hours, 9 minutes.
• To count from 1 to 394,345,814,940 would take you about twenty-five thousand and seventy-seven 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 394345814940 cubic inches would be around 611.1 feet tall.

Recreational maths with 394345814940

• 394345814940 backwards is 049418543493
• The number of decimal digits it has is: 12
• The sum of 394345814940's digits is 54
• More coming soon!