21688040521500

Names of 21688040521500

• Cardinal: 21688040521500 can be written as Twenty-one trillion, six hundred eighty-eight billion, forty million, five hundred twenty-one thousand, five hundred.

Scientific notation

• Scientific notation: 2.16880405215 × 10¹³

Factors of 21688040521500

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1379

Divisors of 21688040521500

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 17 20 25 30 34 50 51 60 68 73 75 79 85 100 102 125 139 146 150 158 170 204 219 237 250 255 278 292 300 316 340 365 375 395 417 425 438 474 500 510 556 695 730 750 790 834 850 876 948 1020 1061 1095 1185 1241 1275 1343 1390 1460 1500 1580 1668 1700 1825 1975 2085 2122 2125 2190 2363 2370 2482 2550 2686 2780 3183 3475 3650 3723 3950 4029 4170 4244 4250 4380 4726 4740 4964 5100 5305 5372 5475 5767 5925 6205 6366 6375 6715 6950 7089 7300 7446 7900 8058 8340 8500 9125 9452 9875 10147 10425 10610 10950 10981 11534 11815 11850 12410 12732 12750 13430 13900 14178 14892 15915 16116 17301 17375 18037 18250 18615 19750 20145 20294 20850 21220 21900 21962 23068 23630 23700 24820 25500 26525 26860 27375 28356 28835 29625 30441 31025 31830 32943 33575 34602 34750 35445 36074 36500 37230 39500 40290 40588 41700 43924 47260 50735 52125 53050 54111 54750 54905 57670 59075 59250 60882 62050 63660 65886 67150 69204 69500 70890 72148 74460 77453 79575 80580 83819 86505 90185 93075 98039 100725 101470 104250 106100 108222 109500 109810 115340 118150 118500 121764 124100 131772 132625 134300 141780 144175 147479 152205 154906 155125 159150 164715 167638 167875 172499 173010 177225 180370 186150 186677 196078 201450 202940 208500 216444 219620 232359 236300 251457 253675 265250 270555 274525 288350 294117 294958 295375 304410 309812 310250 318300 329430 335276 335750 344998 346020 354450 360740 372300 373354 387265 392156 397875 402900 419095 432525 442437 450925 464718 465375 490195 502914 503625 507350 517497 530500 541110 549050 560031 576700 588234 589916 590750 608820 620500 658860 671500 689996 708900 720875 737395 746708 761025 774530 795750 801613 823575 838190 862495 865050 884874 886125 901850 929436 930750 933385 980390 1005828 1007250 1014700 1034994 1082220 1098100 1120062 1161795 1176468 1181500 1257285 1268375 1316701 1352775 1372625 1424923 1441750 1470585 1474790 1522050 1549060 1591500 1603226 1647150 1676380 1724990 1730100 1769748 1772250 1803700 1861500 1866770 1936325 1960780 2014500 2069988 2095475 2162625 2212185 2240124 2254625 2323590 2404839 2450975 2507143 2514570 2536750 2587485 2633402 2705550 2745250 2800155 2849846 2883500 2941170 2949580 3044100 3206452 3294300 3449980 3544500 3686975 3733540 3805125 3872650 3950103 4008065 4117875 4190950 4274769 4312475 4325250 4424370 4509250 4647180 4666925 4809678 4901950 5014286 5029140 5073500 5174970 5266804 5411100 5490500 5600310 5699692 5808975 5882340 6118787 6286425 6583505 6763875 7124615 7352925 7373950 7521429 7610250 7745300 7900206 8016130 8235750 8381900 8549538 8624950 8650500 8848740 9018500 9333850 9619356 9681625 9803900 10028572 10349940 10477375 10765967 11060925 11200620 11617950 11650841 12024195 12237574 12254875 12535715 12572850 12937425 13167010 13527750 13627421 14000775 14249230 14705850 14747900 15042858 15220500 15800412 16032260 16471500 17099076 17249900 18356361 18434875 18667700 19363250 19750515 20040325 20954750 21373845 21531934 21562375 22121850 23235900 23301682 23334625 24048390 24475148 24509750 25071430 25145700 25874850 26334020 27055500 27254842 28001550 28498460 29044875 29411700 30085716 30593935 31432125 32297901 32917525 34952523 35623075 36712722 36764625 36869750 37607145 38726500 39501030 40080650 40882263 41909500 42747690 43063868 43124750 44243700 46603364 46669250 48096780 49019500 50142860 51749700 53829835 54509684 55304625 56003100 58089750 58254205 60120975 61187870 62678575 62864250 64595802 64687125 65835050 68137105 69905046 70003875 71246150 73425444 73529250 73739500 75214290 79002060 80161300 81764526 85495380 86249500 91781805 93338500 98752575 100201625 104019379 106869225 107659670 110609250 116179500 116508410 120241950 122375740 125357150 125728500 129191604 129374250 131670100 136274210 139810092 140007750 142492300 147058500 150428580 152969675 161489505 163529052 164587625 174762615 178115375 183021439 183563610 188035725 197505150 198064297 200403250 204411315 208038758 213738450 215319340 221218500 233016820 240483900 250714300 258748500 269149175 272548420 280015500 291271025 300604875 305939350 312058137 313392875 322979010 329175250 340685525 349525230 356230750 366042878 367127220 376071450 395010300 396128594 400806500 408822630 416077516 427476900 458909025 493762875 520096895 534346125 538298350 549064317 582542050 594192891 601209750 611878700 624116274 626785750 645958020 658350500 681371050 699050460 712461500 732085756 752142900 764848375 792257188 807447525 817645260 850511393 873813075 915107195 917818050 940178625 987525750 990321485 1022056575 1040193790 1068692250 1076596700 1098128634 1165084100 1188385782 1202419500 1248232548 1253571500 1345745875 1362742100 1456355125 1529696750 1560290685 1614895050 1701022786 1703427625 1747626150 1830214390 1835636100 1880357250 1975051500 1980642970 2044113150 2080387580 2137384500 2196257268 2294545125 2376771564 2551534179 2600484475 2691491750 2745321585 2912710250 2970964455 3059393500 3120581370 3229790100 3402045572 3406855250 3495252300 3660428780 3760714500 3961285940 4037237625 4088226300 4252556965 4369065375 4575535975 4589090250 4951607425 5103068358 5110282875 5200968950 5382983500 5490643170 5825420500 5941928910 6241162740 6813710500 7801453425 8074475250 8505113930 8738130750 9151071950 9178180500 9903214850 10206136716 10220565750 10401937900 10981286340 11883857820 12757670895 13002422375 13726607925 14458693681 14854822275 15602906850 16148950500 17010227860 17476261500 18302143900 19806429700 20441131500 21262784825 22877679875 24758037125 25515341790 26004844750 27453215850 28917387362 29709644550 31205813700 39007267125 42525569650 43376081043 45755359750 49516074250 51030683580 52009689500 54906431700 57834774724 59419289100 63788354475 68633039625 72293468405 74274111375 78014534250 85051139300 86752162086 91510719500 99032148500 106313924125 127576708950 137266079250 144586936810 148548222750 156029068500 173504324172 212627848250 216880405215 255153417900 274532158500 289173873620 297096445500 318941772375 361467342025 425255696500 433760810430 637883544750 722934684050 867521620860 1084402026075 1275767089500 1445869368100 1807336710125 2168804052150 3614673420250 4337608104300 5422010130375 7229346840500 10844020260750 21688040521500
• Sum of all divisors σ(n): 69203712614400
• Sum of proper divisors (its aliquot sum) s(n): 47515672092900
• 21688040521500 is an abundant number, because the sum of its proper divisors (47515672092900) is greater than itself. Its abundance is 25827631571400

Bases of 21688040521500

• Binary: 100111011100110100011111100110111111100011100₂
• Hexadecimal: 0x13B9A3F37F1C
• Base-36: 7ORCJCVTO

Squares and roots of 21688040521500

• 21688040521500 squared (21688040521500²) is 470371101662225991962250000
• 21688040521500 cubed (21688040521500³) is 10201427512992953319567811298313375000000
• The square root of 21688040521500 is 4657042.0356165995
• The cube root of 21688040521500 is 27887.3194781433

Scales and comparisons

• 21,688,040,521,500 seconds is equal to 689,612 years, 31 weeks, 2 days, 12 hours, 25 minutes.
• To count from 1 to 21,688,040,521,500 would take you about one million, seven hundred twenty-four thousand and thirty-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 21688040521500 cubic inches would be around 2323.9 feet tall.

Recreational maths with 21688040521500

• 21688040521500 backwards is 00512504088612
• The number of decimal digits it has is: 14
• The sum of 21688040521500's digits is 42
• More coming soon!