21720616492770

Names of 21720616492770

• Cardinal: 21720616492770 can be written as Twenty-one trillion, seven hundred twenty billion, six hundred sixteen million, four hundred ninety-two thousand, seven hundred seventy.

Scientific notation

• Scientific notation: 2.172061649277 × 10¹³

Factors of 21720616492770

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 237

Divisors of 21720616492770

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 41 45 54 65 78 81 82 90 117 123 130 135 162 173 195 205 234 246 270 346 351 369 390 405 410 519 533 585 615 702 738 810 865 1038 1053 1066 1107 1170 1230 1557 1599 1681 1730 1755 1845 2106 2214 2249 2595 2665 3114 3198 3321 3362 3510 3690 4498 4671 4797 5043 5190 5265 5330 5535 6642 6747 7093 7785 7995 8405 9342 9594 10086 10530 11070 11245 13494 14013 14186 14391 15129 15570 15990 16605 16810 20241 21279 21853 22490 23355 23985 25215 28026 28782 29929 30258 33210 33735 35465 40482 42558 43173 43706 45387 46710 47970 50430 59858 60723 63837 65559 67470 68921 70065 70930 71955 75645 86346 89787 90774 92209 101205 106395 109265 121446 127674 131118 136161 137842 140130 143910 149645 151290 179574 182169 184418 191511 196677 202410 206763 212790 215865 218530 226935 269361 272322 276627 290813 299290 303615 319185 327795 344605 364338 383022 389077 393354 413526 431730 448935 453870 461045 538722 553254 574533 581626 590031 607230 620289 638370 655590 680805 689210 778154 808083 829881 872439 895973 897870 910845 922090 957555 983385 1033815 1149066 1167231 1180062 1227089 1240578 1346805 1361610 1383135 1454065 1616166 1659762 1744878 1770093 1791946 1821690 1860867 1915110 1945385 1966770 2067630 2334462 2424249 2454178 2489643 2617317 2687919 2693610 2766270 2872665 2908130 2950155 3101445 3501693 3540186 3681267 3721734 3780569 3890770 4040415 4149405 4362195 4479865 4848498 4979286 5234634 5375838 5582601 5745330 5836155 5900310 6135445 6202890 7003386 7362534 7468929 7561138 7851951 8063757 8080830 8298810 8724390 8850465 8959730 9304335 10505079 11043801 11165202 11341707 11672310 11923333 12121245 12270890 12448215 13086585 13439595 14937858 15703902 15952157 16127514 17508465 17700930 18406335 18608670 18902845 21010158 22087602 22683414 23555853 23846666 24191271 24242490 24896430 26173170 26879190 27913005 31515237 31904314 33131403 34025121 35016930 35769999 36812670 37344645 37805690 39259755 40318785 47111706 47856471 48382542 50310649 52525395 55219005 55826010 56708535 59616665 63030474 66262806 68050242 71539998 72573813 74689290 78519510 79760785 80637570 95712942 99394209 100621298 102075363 105050790 107309997 110438010 113417070 117779265 119233330 120956355 143569413 145147626 150931947 155003329 157576185 159521570 165657015 170125605 178849995 198788418 204150726 214619994 235558530 239282355 241912710 251553245 287138826 301863894 306226089 310006658 315152370 321929991 331314030 340251210 357699990 362869065 430708239 452795841 465009987 478564710 496971045 503106490 510376815 536549985 612452178 643859982 654038437 717847065 725738130 754659735 775016645 861416478 905591682 930019974 965789973 993942090 1020753630 1073099970 1292124717 1308076874 1358387523 1395029961 1435694130 1509319470 1531130445 1550033290 1609649955 1931579946 1962115311 2062736609 2153541195 2263979205 2325049935 2584249434 2716775046 2790059922 3062260890 3219299910 3270192185 3924230622 4075162569 4125473218 4185089883 4307082390 4527958410 4650099870 4828949865 5886345933 6188209827 6460623585 6540384370 6791937615 6975149805 8150325138 8370179766 9657899730 9810576555 10313683045 11772691866 12376419654 12555269649 12921247170 13583875230 13950299610 17659037799 18564629481 19621153110 20375812845 20627366090 20925449415 25110539298 26815575917 29431729665 30941049135 35318075598 37129258962 40751625690 41850898830 52977113397 53631151834 55693888443 58863459330 61882098270 62776348245 80446727751 88295188995 92823147405 105954226794 111387776886 125552696490 134077879585 160893455502 167081665329 176590377990 185646294810 241340183253 264885566985 268155759170 278469442215 334163330658 402233638755 482680366506 529771133970 556938884430 724020549759 804467277510 835408326645 1206700916265 1448041099518 1670816653290 2172061649277 2413401832530 3620102748795 4344123298554 7240205497590 10860308246385 21720616492770
• Sum of all divisors σ(n): 64844175355344
• Sum of proper divisors (its aliquot sum) s(n): 43123558862574
• 21720616492770 is an abundant number, because the sum of its proper divisors (43123558862574) is greater than itself. Its abundance is 21402942369804

Bases of 21720616492770

• Binary: 100111100000100111001101000010101111011100010₂
• Hexadecimal: 0x13C139A15EE2
• Base-36: 7P6BA904I

Squares and roots of 21720616492770

• 21720616492770 squared (21720616492770²) is 471785180825992135462272900
• 21720616492770 cubed (21720616492770³) is 10247464979693521549020156739850616933000
• The square root of 21720616492770 is 4660538.2192156733
• The cube root of 21720616492770 is 27901.2749736465

Scales and comparisons

• 21,720,616,492,770 seconds is equal to 690,648 years, 21 weeks, 5 days, 5 hours, 19 minutes, 30 seconds.
• To count from 1 to 21,720,616,492,770 would take you about one million, seven hundred twenty-six thousand, six hundred twenty-one 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 21720616492770 cubic inches would be around 2325.1 feet tall.

Recreational maths with 21720616492770

• 21720616492770 backwards is 07729461602712
• 21720616492770 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21720616492770's digits is 54
• More coming soon!