19818897091840

Names of 19818897091840

• Cardinal: 19818897091840 can be written as Nineteen trillion, eight hundred eighteen billion, eight hundred ninety-seven million, ninety-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.981889709184 × 10¹³

Factors of 19818897091840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 14184

Divisors of 19818897091840

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 97 110 112 128 140 149 154 160 176 194 220 224 256 280 298 308 320 352 385 388 440 448 485 560 596 616 640 679 704 745 770 776 880 896 970 1043 1067 1120 1192 1232 1280 1358 1408 1490 1540 1552 1639 1760 1792 1940 2086 2134 2240 2384 2464 2716 2816 2980 3080 3104 3278 3395 3520 3880 4172 4268 4480 4768 4928 5215 5335 5432 5960 6160 6208 6556 6790 7040 7469 7760 8195 8344 8536 8960 9536 9856 10430 10670 10864 11473 11920 12320 12416 13112 13580 13913 14080 14453 14938 15520 16390 16688 17072 19072 19712 20860 21340 21728 22946 23840 24640 24832 26224 27160 27826 28906 29876 31040 32780 33376 34144 37345 38144 41720 42680 43456 45892 47680 49280 52448 54320 55652 57365 57812 59752 62080 65560 66752 68288 69565 72265 74690 83440 85360 86912 91784 95360 97391 98560 101171 104896 108640 111304 114730 115624 119504 124160 131120 133504 136576 139130 144530 149380 153043 158983 166880 170720 173824 183568 190720 194782 202342 209792 217280 222608 229460 231248 239008 262240 267008 273152 278260 289060 298760 306086 317966 333760 341440 367136 389564 404684 419584 434560 445216 458920 462496 478016 486955 505855 524480 556520 578120 597520 612172 635932 667520 682880 734272 765215 779128 794915 809368 869120 890432 917840 924992 956032 973910 1011710 1048960 1071301 1112881 1113040 1156240 1195040 1224344 1271864 1335040 1349561 1365760 1468544 1530430 1558256 1589830 1618736 1780864 1835680 1849984 1912064 1947820 2023420 2073037 2097920 2142602 2225762 2226080 2312480 2390080 2448688 2543728 2699122 2937088 3060860 3116512 3179660 3237472 3561728 3671360 3699968 3895640 4046840 4146074 4285204 4451524 4452160 4624960 4780160 4897376 5087456 5356505 5398244 5564405 6121720 6233024 6359320 6474944 6747805 7342720 7791280 8093680 8292148 8570408 8903048 8904320 9249920 9446927 9560320 9794752 10174912 10365185 10713010 10796488 11128810 12243440 12466048 12718640 12949888 13495610 14511259 14685440 14845171 15582560 16187360 16584296 17140816 17806096 17808640 18499840 18893854 19589504 20349824 20730370 21426020 21592976 22257620 22803407 24486880 24932096 25437280 25899776 26991220 29022518 29690342 31165120 32374720 33168592 34281632 35612192 37787708 39179008 40699648 41460740 42852040 43185952 44515240 45606814 47234635 48973760 50874560 53982440 58045036 59380684 62330240 64749440 66337184 68563264 71224384 72556295 74225855 75575416 82921480 85704080 86371904 89030480 91213628 94469270 97947520 101749120 103916197 107964880 114017035 116090072 118761368 124660480 129498880 132674368 137126528 142448768 145112590 148451710 151150832 159623849 165842960 171408160 172743808 178060960 182427256 188938540 195895040 201084589 203498240 207832394 215929760 228034070 232180144 237522736 265348736 274253056 284897536 290225180 296903420 302301664 319247698 331685920 342816320 345487616 356121920 364854512 377877080 402169178 415664788 431859520 456068140 464360288 475045472 519580985 530697472 580450360 593806840 604603328 638495396 663371840 685632640 712243840 729709024 755754160 798119245 804338356 831329576 863719040 912136280 928720576 950090944 1005422945 1039161970 1160900720 1187613680 1209206656 1276990792 1326743680 1371265280 1407592123 1424487680 1459418048 1511508320 1596238490 1608676712 1662659152 1727438080 1824272560 1857441152 1900181888 2010845890 2078323940 2211930479 2321801440 2375227360 2418413312 2553981584 2653487360 2815184246 2918836096 3023016640 3192476980 3217353424 3325318304 3648545120 3714882304 3800363776 4021691780 4156647880 4423860958 4643602880 4750454720 5107963168 5630368492 5837672192 6046033280 6384953960 6434706848 6650636608 7037960615 7297090240 8043383560 8313295760 8847721916 9287205760 9500909440 10215926336 11059652395 11260736984 12092066560 12769907920 12869413696 13301273216 14075921230 14594180480 15483513353 16086767120 16626591520 17695443832 18574411520 19001818880 20431852672 22119304790 22521473968 25539815840 25738827392 26602546432 28151842460 29188360960 30967026706 32173534240 33253183040 35390887664 40863705344 44238609580 45042947936 51079631680 51477654784 56303684920 61934053412 64347068480 66506366080 70781775328 77417566765 88477219160 90085895872 102159263360 112607369840 123868106824 128694136960 133012732160 141563550656 154835133530 176954438320 180171791744 204318526720 225214739680 247736213648 257388273920 283127101312 309670267060 353908876640 360343583488 450429479360 495472427296 566254202624 619340534120 707817753280 900858958720 990944854592 1238681068240 1415635506560 1801717917440 1981889709184 2477362136480 2831271013120 3963779418368 4954724272960 9909448545920 19818897091840
• Sum of all divisors σ(n): 60202249228800
• Sum of proper divisors (its aliquot sum) s(n): 40383352136960
• 19818897091840 is an abundant number, because the sum of its proper divisors (40383352136960) is greater than itself. Its abundance is 20564455045120

Bases of 19818897091840

• Binary: 100100000011001110010010100100010110100000000₂
• Hexadecimal: 0x120672522D00
• Base-36: 70WOBMB5S

Squares and roots of 19818897091840

• 19818897091840 squared (19818897091840²) is 392788681936944009394585600
• 19818897091840 cubed (19818897091840³) is 7784638466147766366047262186881941504000
• The square root of 19818897091840 is 4451841.9886424543
• The cube root of 19818897091840 is 27061.9961264115

Scales and comparisons

• 19,818,897,091,840 seconds is equal to 630,179 years, 32 weeks, 3 days, 10 minutes, 40 seconds.
• To count from 1 to 19,818,897,091,840 would take you about one million, five hundred seventy-five thousand, four hundred forty-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 19818897091840 cubic inches would be around 2255.2 feet tall.

Recreational maths with 19818897091840

• 19818897091840 backwards is 04819079881891
• The number of decimal digits it has is: 14
• The sum of 19818897091840's digits is 73
• More coming soon!