78438965968384

Names of 78438965968384

• Cardinal: 78438965968384 can be written as Seventy-eight trillion, four hundred thirty-eight billion, nine hundred sixty-five million, nine hundred sixty-eight thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 7.8438965968384 × 10¹³

Factors of 78438965968384

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 19913

Divisors of 78438965968384

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 41 56 64 82 112 128 151 164 181 224 256 287 302 328 362 448 512 574 604 656 724 896 1057 1148 1208 1267 1312 1448 1792 2114 2296 2416 2534 2624 2896 3584 4228 4592 4832 5068 5248 5792 6191 7421 8456 9184 9664 10136 10496 11584 12382 14842 16912 18368 19328 19531 20272 20992 23168 24764 27331 29684 33824 36736 38656 39062 40544 43337 46336 49528 51947 54662 59368 67648 73472 77312 78124 81088 86674 92672 99056 103894 109324 118736 135296 136717 146944 156248 162176 173348 191317 198112 207788 218648 237472 270592 273434 312496 324352 346696 382634 396224 415576 437296 474944 541184 546868 624992 648704 693392 765268 792448 800771 831152 874592 949888 1093736 1120571 1249984 1386784 1530536 1584896 1601542 1662304 1749184 1899776 2187472 2241142 2499968 2773568 2949181 3061072 3169792 3203084 3324608 3498368 3535111 3799552 4374944 4482284 4999936 5547136 5605397 5898362 6122144 6406168 6649216 6996736 7070222 7843997 8749888 8964568 9999872 11094272 11210794 11796724 12244288 12812336 13298432 13993472 14140444 15687994 17499776 17929136 20644267 22188544 22421588 23593448 24488576 24745777 25624672 26596864 28280888 31375988 34999552 35858272 41288534 44843176 47186896 48977152 49491554 51249344 56561776 62751976 69999104 71716544 82577068 89686352 94373792 97954304 98983108 102498688 113123552 120916421 125503952 143433088 144939551 165154136 179372704 188747584 197966216 204997376 226247104 241832842 251007904 286866176 289879102 330308272 358745408 377495168 395932432 409994752 452494208 483665684 502015808 533801761 573732352 579758204 660616544 717490816 754990336 791864864 846414947 904988416 967331368 1004031616 1014576857 1067603522 1159516408 1321233088 1434981632 1509980672 1583729728 1692829894 1809976832 1934662736 2008063232 2029153714 2135207044 2319032816 2642466176 2869963264 3167459456 3385659788 3736612327 3869325472 4016126464 4058307428 4270414088 4638065632 5284932352 6334918912 6771319576 7473224654 7738650944 8116614856 8540828176 9276131264 10569864704 12669837824 13542639152 14946449308 15477301888 16233229712 17081656352 18552262528 21885872201 27085278304 29892898616 30954603776 32466459424 34163312704 37104525056 43771744402 54170556608 59785797232 61909207552 64932918848 68326625408 74209050112 87543488804 108341113216 119571594464 129865837696 136653250816 153201105407 175086977608 216682226432 239143188928 259731675392 273306501632 306402210814 350173955216 433364452864 478286377856 519463350784 612804421628 700347910432 956572755712 1225608843256 1400695820864 1913145511424 2451217686512 2801391641728 4902435373024 5602783283456 9804870746048 11205566566912 19609741492096 39219482984192 78438965968384
• Sum of all divisors σ(n): 185727666668544
• Sum of proper divisors (its aliquot sum) s(n): 107288700700160
• 78438965968384 is an abundant number, because the sum of its proper divisors (107288700700160) is greater than itself. Its abundance is 28849734731776

Bases of 78438965968384

• Binary: 10001110101011011111110101100111111111000000000₂
• Hexadecimal: 0x4756FEB3FE00
• Base-36: RSYD33Q4G

Squares and roots of 78438965968384

• 78438965968384 squared (78438965968384²) is 6152671382189303302887571456
• 78438965968384 cubed (78438965968384³) is 482609181162196908919588906035661036847104
• The square root of 78438965968384 is 8856577.5539078299
• The cube root of 78438965968384 is 42806.5887111885

Scales and comparisons

• 78,438,965,968,384 seconds is equal to 2,494,116 years, 25 weeks, 3 days, 9 hours, 53 minutes, 4 seconds.
• To count from 1 to 78,438,965,968,384 would take you about six million, two hundred thirty-five thousand, two hundred ninety-one 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 78438965968384 cubic inches would be around 3567.2 feet tall.

Recreational maths with 78438965968384

• 78438965968384 backwards is 48386956983487
• The number of decimal digits it has is: 14
• The sum of 78438965968384's digits is 88
• More coming soon!