21310827217920

Names of 21310827217920

• Cardinal: 21310827217920 can be written as Twenty-one trillion, three hundred ten billion, eight hundred twenty-seven million, two hundred seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.131082721792 × 10¹³

Factors of 21310827217920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 20418

Divisors of 21310827217920

• Number of divisors d(n): 528
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 243 256 270 288 320 324 360 384 405 432 480 486 512 540 576 640 648 720 768 810 864 877 960 972 1024 1080 1152 1215 1280 1296 1440 1536 1620 1728 1754 1920 1944 2160 2304 2430 2560 2592 2631 2880 3072 3240 3456 3508 3840 3888 4320 4385 4608 4860 5120 5184 5262 5760 6480 6912 7016 7680 7776 7893 8640 8770 9216 9720 10368 10524 11520 12960 13155 13824 14032 15360 15552 15786 17280 17540 19440 19531 20736 21048 23040 23679 25920 26310 27648 28064 31104 31572 34560 35080 38880 39062 39465 41472 42096 46080 47358 51840 52620 56128 58593 62208 63144 69120 70160 71037 77760 78124 78930 82944 84192 94716 97655 103680 105240 112256 117186 118395 124416 126288 138240 140320 142074 155520 156248 157860 168384 175779 189432 195310 207360 210480 213111 224512 234372 236790 248832 252576 280640 284148 292965 311040 312496 315720 336768 351558 355185 378864 390620 414720 420960 426222 449024 468744 473580 505152 527337 561280 568296 585930 622080 624992 631440 673536 703116 710370 757728 781240 841920 852444 878895 898048 937488 947160 1010304 1054674 1065555 1122560 1136592 1171860 1244160 1249984 1262880 1347072 1406232 1420740 1515456 1562480 1582011 1683840 1704888 1757790 1874976 1894320 2020608 2109348 2131110 2245120 2273184 2343720 2499968 2525760 2636685 2694144 2812464 2841480 3030912 3124960 3164022 3367680 3409776 3515580 3749952 3788640 4041216 4218696 4262220 4490240 4546368 4687440 4746033 4999936 5051520 5273370 5624928 5682960 6061824 6249920 6328044 6735360 6819552 7031160 7499904 7577280 7910055 8082432 8437392 8524440 9092736 9374880 9492066 9999872 10103040 10546740 11249856 11365920 12123648 12499840 12656088 13470720 13639104 14062320 14999808 15154560 15820110 16874784 17048880 17128687 18185472 18749760 18984132 19999744 20206080 21093480 22499712 22731840 23730165 24247296 24999680 25312176 27278208 28124640 29999616 30309120 31640220 33749568 34097760 34257374 36370944 37499520 37968264 40412160 42186960 44999424 45463680 47460330 49999360 50624352 51386061 54556416 56249280 59999232 60618240 63280440 67499136 68195520 68514748 72741888 74999040 75936528 84373920 85643435 89998848 90927360 94920660 99998720 101248704 102772122 109112832 112498560 121236480 126560880 134998272 136391040 137029496 149998080 151873056 154158183 168747840 171286870 179997696 181854720 189841320 202497408 205544244 218225664 224997120 253121760 256930305 269996544 272782080 274058992 299996160 303746112 308316366 337495680 342573740 363709440 379682640 404994816 411088488 449994240 462474549 506243520 513860610 539993088 545564160 548117984 607492224 616632732 674991360 685147480 759365280 770790915 809989632 822176976 899988480 924949098 1012487040 1027721220 1091128320 1096235968 1214984448 1233265464 1349982720 1370294960 1387423647 1518730560 1541581830 1619979264 1644353952 1849898196 2024974080 2055442440 2192471936 2312372745 2429968896 2466530928 2699965440 2740589920 2774847294 3037461120 3083163660 3288707904 3699796392 4049948160 4110884880 4162270941 4384943872 4624745490 4859937792 4933061856 5481179840 5549694588 6074922240 6166327320 6577415808 6937118235 7399592784 8099896320 8221769760 8324541882 8769887744 9249490980 9866123712 10962359680 11099389176 12149844480 12332654640 13154831616 13874236470 14799185568 16443539520 16649083764 17539775488 18498981960 19732247424 20811354705 21924719360 22198778352 24299688960 24665309280 26309663232 27748472940 29598371136 32887079040 33298167528 36997963920 39464494848 41622709410 43849438720 44397556704 49330618560 52619326464 55496945880 59196742272 65774158080 66596335056 73995927840 78928989696 83245418820 87698877440 88795113408 98661237120 110993891760 118393484544 131548316160 133192670112 147991855680 157857979392 166490837640 177590226816 197322474240 221987783520 236786969088 263096632320 266385340224 295983711360 332981675280 355180453632 394644948480 443975567040 473573938176 532770680448 591967422720 665963350560 710360907264 789289896960 887951134080 1065541360896 1183934845440 1331926701120 1420721814528 1775902268160 2131082721792 2367869690880 2663853402240 3551804536320 4262165443584 5327706804480 7103609072640 10655413608960 21310827217920
• Sum of all divisors σ(n): 76667571734208
• Sum of proper divisors (its aliquot sum) s(n): 55356744516288
• 21310827217920 is an abundant number, because the sum of its proper divisors (55356744516288) is greater than itself. Its abundance is 34045917298368

Bases of 21310827217920

• Binary: 100110110000111010000010010010100010000000000₂
• Hexadecimal: 0x1361D0494400
• Base-36: 7JY24AO00

Squares and roots of 21310827217920

• 21310827217920 squared (21310827217920²) is 454151356712039887169126400
• 21310827217920 cubed (21310827217920³) is 9678341093674234507248504663428825088000
• The square root of 21310827217920 is 4616365.1521429713
• The cube root of 21310827217920 is 27724.6944992379

Scales and comparisons

• 21,310,827,217,920 seconds is equal to 677,618 years, 20 weeks, 19 hours, 12 minutes.
• To count from 1 to 21,310,827,217,920 would take you about one million, six hundred ninety-four thousand and forty-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 21310827217920 cubic inches would be around 2310.4 feet tall.

Recreational maths with 21310827217920

• 21310827217920 backwards is 02971272801312
• 21310827217920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21310827217920's digits is 45
• More coming soon!