813978630404400

Names of 813978630404400

• Cardinal: 813978630404400 can be written as Eight hundred thirteen trillion, nine hundred seventy-eight billion, six hundred thirty million, four hundred four thousand, four hundred.

Scientific notation

• Scientific notation: 8.139786304044 × 10¹⁴

Factors of 813978630404400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 830251633

Divisors of 813978630404400

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 25 30 38 40 43 48 50 57 60 75 76 80 86 95 100 114 120 129 150 152 172 190 200 215 228 240 258 285 300 304 344 380 400 430 456 475 516 570 600 645 688 760 817 860 912 950 1032 1075 1140 1200 1290 1425 1520 1634 1720 1900 2064 2150 2280 2451 2580 2850 3225 3268 3440 3800 4085 4300 4560 4902 5160 5700 6450 6536 7600 8170 8600 9804 10320 11400 12255 12900 13072 16340 17200 19608 20425 22800 24510 25800 32680 39216 40850 49020 51600 61275 65360 81700 98040 122550 163400 196080 245100 326800 490200 980400 830251561 1660503122 2490754683 3321006244 4151257805 4981509366 6642012488 8302515610 9963018732 12453773415 13284024976 15774779659 16605031220 19926037464 20756289025 24907546830 31549559318 33210062440 35700817123 39852074928 41512578050 47324338977 49815093660 62268867075 63099118636 66420124880 71401634246 78873898295 83025156100 94648677954 99630187320 107102451369 124537734150 126198237272 142803268492 157747796590 166050312200 178504085615 189297355908 199260374640 214204902738 236621694885 249075468300 252396474544 285606536984 315495593180 332100624400 357008171230 378594711816 394369491475 428409805476 473243389770 498150936600 535512256845 571213073968 630991186360 678315525337 714016342460 757189423632 788738982950 856819610952 892520428075 946486779540 996301873200 1071024513690 1183108474425 1261982372720 1356631050674 1428032684920 1577477965900 1713639221904 1785040856150 1892973559080 2034946576011 2142049027380 2366216948850 2677561284225 2713262101348 2856065369840 3154955931800 3391577626685 3570081712300 3785947118160 4069893152022 4284098054760 4732433897700 5355122568450 5426524202696 6309911863600 6783155253370 7140163424600 8139786304044 8568196109520 9464867795400 10174732880055 10710245136900 10853048405392 13566310506740 14280326849200 16279572608088 16957888133425 18929735590800 20349465760110 21420490273800 27132621013480 32559145216176 33915776266850 40698931520220 42840980547600 50873664400275 54265242026960 67831552533700 81397863040440 101747328800550 135663105067400 162795726080880 203494657601100 271326210134800 406989315202200 813978630404400
• Sum of all divisors σ(n): 2808508563808640
• Sum of proper divisors (its aliquot sum) s(n): 1994529933404240
• 813978630404400 is an abundant number, because the sum of its proper divisors (1994529933404240) is greater than itself. Its abundance is 1180551302999840

Bases of 813978630404400

• Binary: 10111001000100111100101011000111101011100100110000₂
• Hexadecimal: 0x2E44F2B1EB930
• Base-36: 80J4MC8JLC

Squares and roots of 813978630404400

• 813978630404400 squared (813978630404400²) is 662561210755022816107539360000
• 813978630404400 cubed (813978630404400³) is 539310666889454491103288047757765717184000000
• The square root of 813978630404400 is 28530310.7309471831
• The cube root of 813978630404400 is 93369.3497915771

Scales and comparisons

• 813,978,630,404,400 seconds is equal to 25,882,002 years, 33 weeks, 4 days, 20 minutes.
• To count from 1 to 813,978,630,404,400 would take you about sixty-four million, seven hundred five thousand and six 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 813978630404400 cubic inches would be around 7780.8 feet tall.

Recreational maths with 813978630404400

• 813978630404400 backwards is 004404036879318
• 813978630404400 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 813978630404400's digits is 57
• More coming soon!