81828913837500

Names of 81828913837500

• Cardinal: 81828913837500 can be written as Eighty-one trillion, eight hundred twenty-eight billion, nine hundred thirteen million, eight hundred thirty-seven thousand, five hundred.

Scientific notation

• Scientific notation: 8.18289138375 × 10¹³

Factors of 81828913837500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 710

Divisors of 81828913837500

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 23 25 27 30 36 45 46 50 54 60 69 75 90 92 100 108 115 125 135 138 150 180 207 225 230 250 270 276 300 345 375 414 450 460 500 529 540 575 621 625 675 677 690 750 828 900 1035 1058 1125 1150 1242 1250 1350 1354 1380 1500 1587 1725 1875 2031 2070 2116 2250 2300 2484 2500 2645 2700 2708 2875 3105 3125 3174 3375 3385 3450 3750 4062 4140 4500 4761 5175 5290 5625 5750 6093 6210 6250 6348 6750 6770 6900 7500 7935 8124 8625 9375 9522 10155 10350 10580 11250 11500 12186 12420 12500 13225 13500 13540 14283 14375 15525 15571 15870 16875 16925 17250 18279 18750 19044 20310 20700 22500 23805 24372 25875 26450 28125 28566 28750 30465 31050 31142 31740 33750 33850 34500 36558 37500 39675 40620 43125 46713 47610 50775 51750 52900 56250 57132 57500 60930 62100 62284 66125 67500 67700 71415 71875 73116 77625 77855 79350 84375 84625 86250 91395 93426 95220 101550 103500 112500 119025 121860 129375 132250 140139 142830 143750 152325 155250 155710 158700 168750 169250 172500 182790 186852 198375 203100 215625 233565 238050 253875 258750 264500 280278 285660 287500 304650 310500 311420 330625 337500 338500 357075 358133 365580 388125 389275 396750 420417 423125 431250 456975 458329 467130 476100 507750 517500 560556 595125 609300 646875 661250 700695 714150 716266 761625 776250 778550 793500 840834 846250 862500 913950 916658 934260 991875 1015500 1074399 1167825 1190250 1269375 1293750 1322500 1374987 1401390 1428300 1432532 1523250 1552500 1557100 1653125 1681668 1692500 1785375 1790665 1827900 1833316 1940625 1946375 1983750 2102085 2115625 2148798 2284875 2291645 2335650 2380500 2538750 2587500 2749974 2802780 2975625 3046500 3223197 3306250 3503475 3570750 3581330 3808125 3881250 3892750 3967500 4124961 4204170 4231250 4297596 4569750 4583290 4671300 4959375 5077500 5371995 5499948 5839125 5951250 6346875 6446394 6612500 6874935 7006950 7141500 7162660 7616250 7762500 7785500 8249922 8408340 8462500 8926875 8953325 9139500 9166580 9669591 9731875 9918750 10510425 10541567 10743990 11424375 11458225 11678250 11902500 12374883 12693750 12892788 13749870 14013900 14878125 15232500 16115985 16499844 17517375 17853750 17906650 19040625 19339182 19463750 19837500 20624805 21020850 21083134 21487980 22848750 22916450 23356500 24749766 25387500 26859975 27499740 29195625 29756250 31624701 32231970 34374675 35034750 35707500 35813300 38081250 38678364 38927500 41249610 42041700 42166268 44634375 44766625 45697500 45832900 48347955 48659375 49499532 52552125 52707835 53719950 57121875 57291125 58391250 59512500 61874415 63249402 64463940 68749350 70069500 76162500 80579925 82499220 87586875 89268750 89533250 94874103 96695910 97318750 103124025 105104250 105415670 107439900 114243750 114582250 116782500 123748830 126498804 134299875 137498700 145978125 158123505 161159850 171873375 175173750 178537500 179066500 189748206 193391820 194637500 206248050 210208500 210831340 223833125 228487500 229164500 241739775 242456041 247497660 262760625 263539175 268599750 284622309 286455625 291956250 309372075 316247010 322319700 343746750 350347500 379496412 402899625 412496100 437934375 447666250 474370515 483479550 484912082 515620125 525521250 527078350 537199500 569244618 572911250 583912500 618744150 632494020 671499375 687493500 727368123 790617525 805799250 859366875 875868750 895332500 948741030 966959100 969824164 1031240250 1051042500 1054156700 1119165625 1138489236 1145822500 1208698875 1212280205 1237488300 1313803125 1317695875 1342998750 1423111545 1432278125 1454736246 1546860375 1581235050 1611598500 1718733750 1751737500 1897482060 2014498125 2062480500 2182104369 2238331250 2371852575 2417397750 2424560410 2578100625 2627606250 2635391750 2685997500 2846223090 2864556250 2909472492 3093720750 3162470100 3357496875 3437467500 3636840615 3953087625 4028996250 4296834375 4364208738 4476662500 4743705150 4834795500 4849120820 5156201250 5255212500 5270783500 5692446180 5729112500 6043494375 6061401025 6187441500 6546313107 6588479375 6714993750 7115557725 7273681230 7734301875 7906175250 8057992500 8593668750 8728417476 9487410300 10072490625 10312402500 10910521845 11859262875 12086988750 12122802050 12890503125 13092626214 13176958750 13429987500 14231115450 14547362460 15468603750 15812350500 17187337500 18184203075 19765438125 20144981250 21821043690 23718525750 24173977500 24245604100 25781006250 26185252428 26353917500 28462230900 30217471875 30307005125 30937207500 32731565535 32942396875 35577788625 36368406150 38671509375 39530876250 40289962500 43642087380 47437051500 51562012500 54552609225 59296314375 60434943750 60614010250 65463131070 65884793750 71155577250 72736812300 77343018750 79061752500 90921015375 98827190625 109105218450 118592628750 120869887500 121228020500 130926262140 131769587500 142311154500 151535025625 154686037500 163657827675 177888943125 181842030750 197654381250 218210436900 237185257500 272763046125 296481571875 303070051250 327315655350 355777886250 363684061500 395308762500 454605076875 545526092250 592963143750 606140102500 654631310700 711555772500 757675128125 818289138375 889444715625 909210153750 1091052184500 1185926287500 1363815230625 1515350256250 1636578276750 1778889431250 1818420307500 2273025384375 2727630461250 3030700512500 3273156553500 3557778862500 4091445691875 4546050768750 5455260922500 6819076153125 8182891383750 9092101537500 13638152306250 16365782767500 20457228459375 27276304612500 40914456918750 81828913837500
• Sum of all divisors σ(n): 277609746995280
• Sum of proper divisors (its aliquot sum) s(n): 195780833157780
• 81828913837500 is an abundant number, because the sum of its proper divisors (195780833157780) is greater than itself. Its abundance is 113951919320280

Bases of 81828913837500

• Binary: 10010100110110001000111010101110111010110111100₂
• Hexadecimal: 0x4A6C475775BC
• Base-36: T07OMJEF0

Squares and roots of 81828913837500

• 81828913837500 squared (81828913837500²) is 6695971139824998976406250000
• 81828913837500 cubed (81828913837500³) is 547924045459126506068872726646484375000000
• The square root of 81828913837500 is 9045933.5525693533
• The cube root of 81828913837500 is 43414.5791586407

Scales and comparisons

• 81,828,913,837,500 seconds is equal to 2,601,906 years, 18 weeks, 3 hours, 45 minutes.
• To count from 1 to 81,828,913,837,500 would take you about six million, five hundred four thousand, seven hundred sixty-five 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 81828913837500 cubic inches would be around 3617.9 feet tall.

Recreational maths with 81828913837500

• 81828913837500 backwards is 00573831982818
• The number of decimal digits it has is: 14
• The sum of 81828913837500's digits is 63
• More coming soon!