21318200081750

Names of 21318200081750

• Cardinal: 21318200081750 can be written as Twenty-one trillion, three hundred eighteen billion, two hundred million, eighty-one thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 2.131820008175 × 10¹³

Factors of 21318200081750

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 272

Divisors of 21318200081750

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 10 11 13 22 25 26 50 55 65 110 121 125 130 143 169 241 242 250 275 286 325 338 482 550 605 650 715 845 1205 1210 1331 1375 1430 1573 1625 1690 1859 2197 2410 2651 2662 2750 3025 3133 3146 3250 3575 3718 4225 4394 5302 6025 6050 6266 6655 7150 7865 8450 9295 10985 12050 13255 13310 14641 15125 15665 15730 17303 17875 18590 20449 21125 21970 24167 26510 29161 29282 30125 30250 31330 33275 34463 34606 35750 39325 40729 40898 42250 46475 48334 54925 58322 60250 66275 66550 68926 73205 78325 78650 81458 86515 92950 102245 109850 120835 132550 145805 146410 156650 161051 166375 172315 173030 190333 196625 203645 204490 224939 232375 241670 265837 274625 291610 320771 322102 331375 332750 344630 366025 379093 380666 391625 393250 407290 432575 448019 449878 464750 511225 529477 531674 549250 604175 641542 662750 729025 732050 758186 783250 805255 861575 865150 896038 951665 1018225 1022450 1058954 1124695 1208350 1329185 1458050 1603855 1610510 1723150 1830125 1895465 1903330 2036450 2093663 2162875 2240095 2249390 2474329 2556125 2647385 2658370 2924207 3020875 3207710 3528481 3645125 3660250 3790930 4026275 4170023 4187326 4307875 4325750 4480190 4758325 4928209 4948658 5091125 5112250 5294770 5623475 5824247 5848414 6041750 6645925 7056962 7290250 8019275 8052550 8340046 8615750 9477325 9516650 9856418 10182250 10468315 11200475 11246950 11648494 12371645 13236925 13291850 14621035 16038550 17642405 18954650 20131375 20850115 20936630 22400950 23791625 24641045 24743290 26473850 27217619 28117375 29121235 29242070 32166277 33229625 35284810 38813291 40096375 40262750 41700230 45870253 47386625 47583250 49282090 52341575 54210299 54435238 56002375 56234750 58242470 61858225 64066717 64332554 66184625 66459250 73105175 77626582 80192750 88212025 91740506 94773250 104250575 104683150 108420598 112004750 123205225 123716450 128133434 132369250 136088095 145606175 146210350 160831385 176424050 194066455 208501150 229351265 246410450 261707875 271051495 272176190 291212350 309291125 320333585 321662770 353829047 365525875 388132910 441060125 458702530 504572783 521252875 523415750 542102990 596313289 616026125 618582250 640667170 680440475 704733887 707658094 728030875 731051750 804156925 882120250 970332275 1009145566 1042505750 1146756325 1192626578 1232052250 1355257475 1360880950 1409467774 1456061750 1601667925 1608313850 1769145235 1940664550 2293512650 2522863915 2710514950 2981566445 3203335850 3402202375 3523669435 3538290470 4020784625 4851661375 5045727830 5733781625 5963132890 6559446179 6776287375 6804404750 7047338870 7752072757 8008339625 8041569250 8845726175 9703322750 11467563250 12614319575 13118892358 13552574750 14907832225 15504145514 16016679250 17618347175 17691452350 25228639150 29815664450 32797230895 35236694350 38760363785 44228630875 63071597875 65594461790 74539161125 77520727570 85272800327 88091735875 88457261750 126143195750 149078322250 163986154475 170545600654 176183471750 193801818925 327972308950 387603637850 426364001635 819930772375 852728003270 969009094625 1639861544750 1938018189250 2131820008175 4263640016350 10659100040875 21318200081750
• Sum of all divisors σ(n): 47752272247680
• Sum of proper divisors (its aliquot sum) s(n): 26434072165930
• 21318200081750 is an abundant number, because the sum of its proper divisors (26434072165930) is greater than itself. Its abundance is 5115872084180

Bases of 21318200081750

• Binary: 100110110001110000111101111100011110101010110₂
• Hexadecimal: 0x136387BE3D56
• Base-36: 7K1G1WQ52

Squares and roots of 21318200081750

• 21318200081750 squared (21318200081750²) is 454465654725525706683062500
• 21318200081750 cubed (21318200081750³) is 9688389757722269394022589508840359375000
• The square root of 21318200081750 is 4617163.6403478273
• The cube root of 21318200081750 is 27727.8914161003

Scales and comparisons

• 21,318,200,081,750 seconds is equal to 677,852 years, 42 weeks, 4 days, 20 hours, 55 minutes, 50 seconds.
• To count from 1 to 21,318,200,081,750 would take you about one million, six hundred ninety-four thousand, six hundred thirty-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 21318200081750 cubic inches would be around 2310.7 feet tall.

Recreational maths with 21318200081750

• 21318200081750 backwards is 05718000281312
• The number of decimal digits it has is: 14
• The sum of 21318200081750's digits is 38
• More coming soon!