805979521397321144640

Names of 805979521397321144640

• Cardinal: 805979521397321144640 can be written as Eight hundred five quintillion, nine hundred seventy-nine quadrillion, five hundred twenty-one trillion, three hundred ninety-seven billion, three hundred twenty-one million, one hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 8.0597952139732114464 × 10²⁰

Factors of 805979521397321144640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7175743602184150

Divisors of 805979521397321144640

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 72 78 80 90 96 104 108 117 120 130 135 144 156 160 180 192 195 208 216 234 240 260 270 288 312 320 351 360 390 416 432 468 480 520 540 576 585 624 702 720 780 832 864 936 960 1040 1080 1170 1248 1404 1440 1560 1728 1755 1872 2080 2160 2340 2496 2808 2880 3120 3510 3744 4160 4320 4680 5616 6240 7020 7488 8640 9360 11232 12480 14040 18720 22464 28080 37440 56160 112320 7175743602184127 14351487204368254 21527230806552381 28702974408736508 35878718010920635 43054461613104762 57405948817473016 64581692419657143 71757436021841270 86108923226209524 93284666828393651 107636154032761905 114811897634946032 129163384839314286 143514872043682540 172217846452419048 186569333656787302 193745077258971429 215272308065523810 229623795269892064 258326769678628572 279854000485180953 287029744087365080 322908462098285715 344435692904838096 373138667313574604 387490154517942858 430544616131047620 459247590539784128 466423334141968255 516653539357257144 559708000970361906 574059488174730160 645816924196571430 688871385809676192 746277334627149208 774980309035885716 839562001455542859 861089232262095240 932846668283936510 968725386294857145 1033307078714514288 1119416001940723812 1148118976349460320 1291633848393142860 1377742771619352384 1399270002425904765 1492554669254298416 1549960618071771432 1679124002911085718 1722178464524190480 1865693336567873020 1937450772589714290 2066614157429028576 2238832003881447624 2296237952698920640 2518686004366628577 2583267696786285720 2798540004851809530 2985109338508596832 3099921236143542864 3358248005822171436 3444356929048380960 3731386673135746040 3874901545179428580 4133228314858057152 4197810007277714295 4477664007762895248 5037372008733257154 5166535393572571440 5597080009703619060 5970218677017193664 6199842472287085728 6716496011644342872 6888713858096761920 7462773346271492080 7749803090358857160 8395620014555428590 8955328015525790496 10074744017466514308 10333070787145142880 11194160019407238120 12399684944574171456 12593430021833142885 13432992023288685744 14925546692542984160 15499606180717714320 16791240029110857180 17910656031051580992 20149488034933028616 20666141574290285760 22388320038814476240 25186860043666285770 26865984046577371488 29851093385085968320 30999212361435428640 33582480058221714360 40298976069866057232 44776640077628952480 50373720087332571540 53731968093154742976 61998424722870857280 67164960116443428720 80597952139732114464 89553280155257904960 100747440174665143080 134329920232886857440 161195904279464228928 201494880349330286160 268659840465773714880 402989760698660572320 805979521397321144640
• Sum of all divisors σ(n): 3062033309924011100160
• Sum of proper divisors (its aliquot sum) s(n): 2256053788526689955520
• 805979521397321144640 is an abundant number, because the sum of its proper divisors (2256053788526689955520) is greater than itself. Its abundance is 1450074267129368810880

Bases of 805979521397321144640

• Binary: 1010111011000100110110011110000111001011000110101011001001100101000000₂
• Hexadecimal: 0x2BB1367872C6AC9940
• Base-36: 4Q3GD3J20NFTC0

Squares and roots of 805979521397321144640

• 805979521397321144640 squared (805979521397321144640²) is 649602988911854852838101926858039800729600
• 805979521397321144640 cubed (805979521397321144640³) is 523566706101446088628002279753393363775204390934162179129344000
• The square root of 805979521397321144640 is 28389778466.8588272629
• The cube root of 805979521397321144640 is 9306249.0139646155

Scales and comparisons

• 805,979,521,397,321,144,640 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 805,979,521,397,321,144,640 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 805979521397321144640 cubic inches would be around 775520.8 feet tall.

Recreational maths with 805979521397321144640

• 805979521397321144640 backwards is 046441123793125979508
• 805979521397321144640 is a Harshad number.
• The number of decimal digits it has is: 21
• The sum of 805979521397321144640's digits is 90
• More coming soon!