21485007388680

Names of 21485007388680

• Cardinal: 21485007388680 can be written as Twenty-one trillion, four hundred eighty-five billion, seven million, three hundred eighty-eight thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.148500738868 × 10¹³

Factors of 21485007388680

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5381

Divisors of 21485007388680

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 17 20 22 24 30 33 34 40 44 51 55 60 61 66 68 85 88 102 110 120 122 132 136 165 170 181 183 187 204 220 244 255 264 289 305 330 340 362 366 374 408 440 488 510 543 561 578 610 660 671 680 724 732 748 867 905 915 935 1020 1037 1086 1122 1156 1220 1320 1342 1445 1448 1464 1496 1734 1810 1830 1870 1991 2013 2040 2074 2172 2244 2312 2440 2684 2715 2805 2890 3077 3111 3179 3355 3468 3620 3660 3740 3982 4026 4148 4335 4344 4488 5101 5185 5368 5430 5610 5780 5973 6154 6222 6358 6710 6936 7240 7320 7480 7964 8052 8296 8670 9231 9537 9955 10065 10202 10370 10860 11041 11220 11407 11560 11946 12308 12444 12716 13420 15303 15385 15555 15895 15928 16104 17340 17629 18462 19074 19910 20130 20404 20740 21720 22082 22440 22814 23892 24616 24888 25432 25505 26840 29865 30606 30770 31110 31790 33123 33847 34221 34680 35258 36924 38148 39820 40260 40808 41480 44164 45628 46155 47685 47784 51010 52309 52887 55205 56111 57035 59730 61212 61540 62220 63580 66246 67694 68442 70516 73848 76296 76515 79640 80520 86717 88145 88328 91256 92310 95370 101541 102020 104618 105774 110410 112222 114070 119460 121451 122424 123080 124440 127160 132492 135388 136884 141032 153030 156927 165615 168333 169235 171105 173434 176290 184620 187697 190740 193919 203082 204040 209236 211548 220820 224444 228140 238920 242902 260151 261545 264435 264984 270776 273768 280555 306060 311161 313854 331230 336666 338470 342210 346868 352580 364353 369240 375394 381480 387838 406164 418472 423096 433585 441640 448888 456280 485804 507705 520302 523090 528870 561110 563091 575399 581757 607255 612120 622322 627708 662460 673332 676940 684420 693736 705160 728706 750788 775676 784635 812328 841665 867170 923281 933483 938485 953887 969595 971608 1015410 1040604 1046180 1057740 1122220 1126182 1150798 1163514 1214510 1244644 1255416 1300755 1324920 1346664 1353880 1368840 1457412 1474189 1501576 1551352 1555805 1569270 1683330 1726197 1734340 1821765 1846562 1866966 1876970 1907774 1939190 2030820 2064667 2081208 2092360 2115480 2244440 2252364 2301596 2327028 2429020 2489288 2601510 2769843 2815455 2861661 2876995 2908785 2914824 2948378 3111610 3138540 3190849 3366660 3422771 3452394 3468680 3643530 3693124 3733932 3753940 3815548 3878380 4061640 4129334 4422567 4504728 4603192 4616405 4654056 4667415 4769435 4858040 5203020 5289737 5539686 5630910 5723322 5753990 5817570 5896756 6194001 6223220 6277080 6381698 6733320 6845542 6904788 7287060 7370945 7386248 7467864 7507880 7631096 7756760 8258668 8630985 8845134 9232810 9334830 9538870 9572547 10156091 10268313 10323335 10406040 10579474 11079372 11261820 11446644 11507980 11635140 11793512 12388002 12446440 12763396 13691084 13809576 13849215 14308305 14574120 14741890 15695777 15869211 15954245 16216079 16517336 17113855 17261970 17690268 18465620 18669660 19077740 19145094 20312182 20536626 20646670 21158948 22112835 22158744 22523640 22893288 23015960 23270280 24776004 25526792 26448685 27382168 27698430 28616610 29483780 30468273 30970005 31391554 31738422 31908490 32432158 34227710 34523940 35099339 35380536 36931240 37339320 38155480 38290188 40624364 41073252 41293340 42317896 44225670 47087331 47862735 48648237 49552008 50780455 51341565 52897370 55396860 56320141 57233220 58187107 58967560 60936546 61940010 62783108 63476844 63816980 64864316 68455420 69047880 70198678 76580376 78478885 79346055 81080395 81248728 82146504 82586680 88451340 89925529 94174662 95725470 97296474 101560910 102683130 105298017 105794740 110793720 112640282 114466440 116374214 121873092 123880020 125566216 126953688 127633960 129728632 136910840 140397356 152341365 156957770 158692110 162160790 168960423 172653547 174561321 175496695 176902680 179851058 188349324 191450940 194592948 203121820 205366260 210596034 211589480 225280564 232748428 235436655 243241185 243746184 247760040 266828209 269776587 280794712 281600705 290935535 304682730 313915540 317384220 324321580 337920846 345307094 349122642 350993390 359702116 376698648 382901880 389185896 406243640 410732520 421192068 449627645 450561128 465496856 470873310 486482370 517960641 526490085 533656418 539553174 563201410 581871070 609365460 619521551 627831080 634768440 648643160 675841692 690614188 698245284 701986780 719404232 800484627 842384136 844802115 863267735 872806605 899255290 941746620 957442397 972964740 989180819 1035921282 1052980170 1067312836 1079106348 1126402820 1163742140 1218730920 1239043102 1334141045 1348882935 1351683384 1381228376 1396490568 1403973560 1600969254 1689604230 1726535470 1745613210 1798510580 1858564653 1883493240 1914884794 1945929480 1978361638 2071842564 2105960340 2134625672 2158212696 2252805640 2327484280 2478086204 2589803205 2668282090 2697765870 2872327191 2935110299 2967542457 3097607755 3201938508 3379208460 3453070940 3491226420 3597021160 3717129306 3829769588 3956723276 4002423135 4143685128 4211920680 4787211985 4945904095 4956172408 5179606410 5336564180 5395531740 5744654382 5870220598 5935084914 6195215510 6403877016 6758416920 6906141880 6982452840 7434258612 7659539176 7913446552 8004846270 8805330897 9292823265 9574423970 9891808190 10359212820 10531866367 10673128360 10791063480 11489308764 11740441196 11870169828 12390431020 14361635955 14675551495 14837712285 14868517224 16009692540 16276520749 17610661794 18585646530 19148847940 19783616380 20718425640 21063732734 22978617528 23480882392 23740339656 24780862040 28723271910 29351102990 29675424570 31595599101 32019385080 32553041498 35221323588 37171293060 38297695880 39567232760 42127465468 44026654485 48829562247 52659331835 57446543820 58702205980 59350849140 63191198202 65106082996 70442647176 74342586120 81382603745 84254930936 88053308970 97659124494 105318663670 114893087640 117404411960 118701698280 126382396404 130212165992 157977995505 162765207490 176106617940 179041728239 195318248988 210637327340 244147811235 252764792808 315955991010 325530414980 352213235880 358083456478 390636497976 421274654680 488295622470 537125184717 631911982020 651060829960 716166912956 895208641195 976591244940 1074250369434 1263823964040 1432333825912 1790417282390 1953182489880 2148500738868 2685625923585 3580834564780 4297001477736 5371251847170 7161669129560 10742503694340 21485007388680
• Sum of all divisors σ(n): 76352920600320
• Sum of proper divisors (its aliquot sum) s(n): 54867913211640
• 21485007388680 is an abundant number, because the sum of its proper divisors (54867913211640) is greater than itself. Its abundance is 33382905822960

Bases of 21485007388680

• Binary: 100111000101001011110001110111100000000001000₂
• Hexadecimal: 0x138A5E3BC008
• Base-36: 7M62QO7WO

Squares and roots of 21485007388680

• 21485007388680 squared (21485007388680²) is 461605542491634192592142400
• 21485007388680 cubed (21485007388680³) is 9917598491088400324929905585710708032000
• The square root of 21485007388680 is 4635192.2709505805
• The cube root of 21485007388680 is 27800.0238896505

Scales and comparisons

• 21,485,007,388,680 seconds is equal to 683,156 years, 40 weeks, 2 days, 23 hours, 58 minutes.
• To count from 1 to 21,485,007,388,680 would take you about one million, seven hundred seven thousand, eight hundred ninety-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 21485007388680 cubic inches would be around 2316.7 feet tall.

Recreational maths with 21485007388680

• 21485007388680 backwards is 08688370058412
• 21485007388680 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21485007388680's digits is 60
• More coming soon!