78464894721408

Names of 78464894721408

• Cardinal: 78464894721408 can be written as Seventy-eight trillion, four hundred sixty-four billion, eight hundred ninety-four million, seven hundred twenty-one thousand, four hundred eight.

Scientific notation

• Scientific notation: 7.8464894721408 × 10¹³

Factors of 78464894721408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2286

Divisors of 78464894721408

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 81 96 104 108 117 127 128 144 156 162 192 208 216 234 254 288 312 324 351 381 384 416 432 468 508 576 624 648 702 762 832 864 936 1016 1053 1143 1152 1248 1296 1404 1524 1651 1664 1728 1872 2032 2106 2141 2286 2496 2592 2808 3048 3302 3429 3456 3744 4064 4212 4282 4572 4953 4992 5184 5616 6096 6423 6604 6858 7488 8128 8424 8564 9144 9906 10287 10368 11232 12192 12846 13208 13716 14859 14976 16256 16848 17128 18288 19269 19812 20574 22464 24384 25692 26416 27432 27833 29718 33696 34256 36576 38538 39624 41148 44577 44928 48768 51384 52832 54864 55666 57807 59436 67392 68512 73152 77076 79248 82296 83499 89154 102768 105664 109728 111332 115614 118872 133731 134784 137024 146304 154152 158496 164592 166998 173421 178308 205536 211328 219456 222664 231228 237744 250497 267462 271907 274048 308304 316992 329184 333996 346842 356616 411072 438912 445328 462456 475488 500994 534924 543814 616608 633984 658368 667992 693684 713232 751491 815721 822144 890656 924912 950976 1001988 1069848 1087628 1233216 1316736 1335984 1387368 1426464 1502982 1631442 1781312 1849824 1901952 2003976 2139696 2175256 2254473 2447163 2466432 2671968 2774736 2852928 3005964 3262884 3534791 3562624 3699648 4007952 4279392 4350512 4508946 4583881 4894326 5343936 5549472 5705856 6011928 6525768 7069582 7341489 7399296 8015904 8558784 8701024 9017892 9167762 9788652 10604373 10687872 11098944 12023856 13051536 13751643 14139164 14682978 16031808 17117568 17402048 18035784 18335524 19577304 21208746 22024467 22197888 24047712 26103072 27503286 28278328 29365956 31813119 32063616 34804096 36071568 36671048 39154608 41254929 42417492 44048934 48095424 52206144 55006572 56556656 58731912 59590453 63626238 72143136 73342096 78309216 82509858 84834984 88097868 95439357 96190848 104412288 110013144 113113312 117463824 119180906 123764787 127252476 144286272 146684192 156618432 165019716 169669968 176195736 178771359 190878714 220026288 226226624 234927648 238361812 247529574 254504952 286318071 288572544 293368384 313236864 330039432 339339936 352391472 357542718 371294361 381757428 440052576 452453248 469855296 476723624 495059148 509009904 536314077 572636142 582152887 586736768 660078864 678679872 704782944 715085436 742588722 763514856 880105152 939710592 953447248 990118296 1018019808 1072628154 1145272284 1164305774 1320157728 1357359744 1409565888 1430170872 1485177444 1527029712 1608942231 1746458661 1760210304 1906894496 1980236592 2036039616 2145256308 2290544568 2328611548 2640315456 2819131776 2860341744 2970354888 3054059424 3217884462 3492917322 3813788992 3960473184 4072079232 4290512616 4581089136 4657223096 4826826693 5239375983 5280630912 5720683488 5940709776 6108118848 6435768924 6985834644 7567987531 7627577984 7920946368 8581025232 9162178272 9314446192 9653653386 10478751966 11441366976 11881419552 12216237696 12871537848 13971669288 15135975062 15718127949 15841892736 17162050464 18324356544 18628892384 19307306772 20957503932 22703962593 22882733952 23762839104 25743075696 27943338576 30271950124 31436255898 34324100928 36648713088 37257784768 38614613544 41915007864 45407925186 47154383847 47525678208 51486151392 55886677152 60543900248 62872511796 68111887779 68648201856 74515569536 77229227088 83830015728 90815850372 94308767694 102972302784 111773354304 121087800496 125745023592 136223775558 154458454176 167660031456 181631700744 188617535388 204335663337 205944605568 223546708608 242175600992 251490047184 272447551116 308916908352 335320062912 363263401488 377235070776 408671326674 484351201984 502980094368 544895102232 613006990011 617833816704 670640125824 726526802976 754470141552 817342653348 968702403968 1005960188736 1089790204464 1226013980022 1453053605952 1508940283104 1634685306696 2011920377472 2179580408928 2452027960044 2906107211904 3017880566208 3269370613392 4359160817856 4904055920088 6035761132416 6538741226784 8718321635712 9808111840176 13077482453568 19616223680352 26154964907136 39232447360704 78464894721408
• Sum of all divisors σ(n): 253571117479680
• Sum of proper divisors (its aliquot sum) s(n): 175106222758272
• 78464894721408 is an abundant number, because the sum of its proper divisors (175106222758272) is greater than itself. Its abundance is 96641328036864

Bases of 78464894721408

• Binary: 10001110101110100001000001011010101110110000000₂
• Hexadecimal: 0x475D082D5D80
• Base-36: RTA9WEW00

Squares and roots of 78464894721408

• 78464894721408 squared (78464894721408²) is 6156739703641641021933502464
• 78464894721408 cubed (78464894721408³) is 483087932673354052896772912237502961549312
• The square root of 78464894721408 is 8858041.2463144469
• The cube root of 78464894721408 is 42811.3049011453

Scales and comparisons

• 78,464,894,721,408 seconds is equal to 2,494,940 years, 49 weeks, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 78,464,894,721,408 would take you about six million, two hundred thirty-seven thousand, three hundred fifty-two 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 78464894721408 cubic inches would be around 3567.6 feet tall.

Recreational maths with 78464894721408

• 78464894721408 backwards is 80412749846487
• 78464894721408 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 78464894721408's digits is 72
• More coming soon!