20938821319920

Names of 20938821319920

• Cardinal: 20938821319920 can be written as Twenty trillion, nine hundred thirty-eight billion, eight hundred twenty-one million, three hundred nineteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.093882131992 × 10¹³

Factors of 20938821319920

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2529

Divisors of 20938821319920

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 28 30 34 35 40 42 48 49 51 56 60 68 70 80 84 85 89 98 102 105 112 119 120 136 140 147 168 170 178 196 204 210 238 240 245 255 267 272 280 294 336 340 356 357 392 408 420 445 476 490 510 534 560 588 595 623 680 683 712 714 735 784 816 833 840 890 952 980 1020 1068 1176 1190 1246 1335 1360 1366 1424 1428 1470 1513 1666 1680 1723 1780 1785 1869 1904 1960 2040 2049 2136 2352 2380 2492 2499 2670 2732 2856 2940 3026 3115 3332 3415 3446 3560 3570 3738 3920 4080 4098 4165 4272 4361 4539 4760 4781 4984 4998 5169 5340 5464 5712 5880 6052 6230 6664 6830 6892 7120 7140 7476 7565 8196 8330 8615 8722 9078 9345 9520 9562 9968 9996 10245 10338 10591 10680 10928 11611 11760 12061 12104 12460 12495 13083 13328 13660 13784 14280 14343 14952 15130 16392 16660 17230 17444 18156 18690 19124 19992 20490 20676 21182 21360 21805 22695 23222 23905 24122 24208 24920 24990 25845 26166 27320 27568 28560 28686 29291 29904 30260 31773 32784 33320 33467 34460 34833 34888 36183 36312 37380 38248 39984 40980 41352 42364 43610 45390 46444 47810 48244 49840 49980 51690 52332 52955 54640 57372 58055 58582 60305 60520 60787 63546 65415 66640 66934 68920 69666 69776 71715 72366 72624 74137 74760 76496 81277 81960 82704 84427 84728 87220 87873 90780 92888 95620 96488 99960 100401 103380 104664 105910 114744 116110 117164 120610 121040 121574 127092 130830 133868 137840 139332 143430 144732 146455 148274 149520 153347 158865 162554 163920 167335 168854 169456 174165 174440 175746 180915 181560 182361 185776 191240 192976 199920 200802 205037 206760 209328 211820 222411 229488 232220 234328 241220 243148 243831 253281 254184 261660 267736 278664 286860 289464 292910 296548 303935 306694 317730 325108 334670 337708 348330 348880 351492 361830 363120 364722 370685 382480 401604 406385 410074 413520 422135 423640 425509 439365 444822 460041 464440 468656 482440 486296 487662 502005 506562 508368 523320 535472 557328 568939 573720 578928 585820 593096 607870 613388 615111 635460 650216 669340 675416 696660 702984 723660 729444 741370 766735 803208 812770 820148 844270 847280 851018 878730 889644 911805 920082 928880 964880 972592 975324 1004010 1013124 1025185 1033379 1046640 1073429 1112055 1137878 1147440 1171640 1176809 1186192 1215740 1219155 1226776 1230222 1266405 1270920 1276527 1300432 1338680 1350832 1393320 1405968 1435259 1447320 1458888 1482740 1533470 1606416 1625540 1640296 1688540 1702036 1706817 1757460 1779288 1823610 1840164 1950648 2008020 2026248 2050370 2066758 2127545 2146858 2224110 2275756 2300205 2343280 2353618 2431480 2438310 2453552 2460444 2532810 2541840 2553054 2606899 2677360 2786640 2844695 2870518 2894640 2917776 2965480 2978563 3066940 3075555 3100137 3220287 3251080 3280592 3377080 3404072 3413634 3514920 3530427 3558576 3647220 3680328 3901296 4016040 4052496 4100740 4133516 4255090 4293716 4305777 4448220 4551512 4600410 4707236 4862960 4876620 4920888 5065620 5106108 5166895 5213798 5367145 5689390 5741036 5884045 5930960 5957126 6133880 6151110 6200274 6382635 6440574 6502160 6754160 6808144 6827268 7029840 7060854 7176295 7233653 7294440 7360656 7514003 7820697 8032080 8201480 8237663 8267032 8510180 8534085 8587432 8611554 8896440 8935689 9103024 9200820 9414472 9753240 9841776 10131240 10212216 10333790 10427596 10734290 11378780 11482072 11768090 11914252 12267760 12302220 12400548 12765270 12881148 13034495 13654536 14121708 14352590 14467306 14588880 14892815 15028006 15500685 15641394 16101435 16402960 16475326 16534064 17020360 17068170 17174864 17223108 17652135 17792880 17871378 18248293 18401640 18828944 19506480 20005753 20262480 20424432 20667580 20855192 21468580 21528885 21700959 22542009 22757560 22964144 23536180 23828504 24604440 24712989 24801096 25530540 25762296 26068990 27309072 28243416 28705180 28934612 29785630 30056012 31001370 31282788 32202870 32950652 34040720 34136340 34446216 35304270 35742756 36168265 36496586 36803280 37570015 39103485 40011506 41188315 41335160 41710384 42937160 43057770 43401918 44678445 45084018 45515120 47072360 47657008 49208880 49425978 49602192 50635571 51061080 51524592 52137980 54744879 56486832 57410360 57663641 57869224 59571260 60017259 60112024 62002740 62565576 64405740 65901304 68272680 68892432 70608540 71485512 72336530 72993172 75140030 78206970 80023012 82376630 82670320 85874320 86115540 86803836 89356890 90168036 91241465 94144720 98851956 100028765 101271142 102122160 104275960 104736001 108504795 109489758 112710045 114820720 115327282 115738448 119142520 120034518 120224048 123564945 124005480 125131152 127738051 128811480 131802608 136545360 140040271 141217080 142971024 144673060 145986344 150280060 151906713 156413940 160046024 164753260 172231080 172990923 173607672 178713780 180336072 182482930 197703912 200057530 202542284 208551920 209472002 217009590 218979516 225420090 230654564 238285040 240069036 247129890 248010960 253177855 255476102 257622960 273724395 280080542 282434160 288318205 289346120 291972688 300086295 300560120 303813426 312827880 314208003 320092048 329506520 344462160 345981846 347215344 357427560 360672144 364965860 383214153 395407824 400115060 405084568 418944004 420120813 434019180 437959032 450840180 461309128 480138072 494259780 506355710 510952204 523680005 547448790 560161084 576636410 578692240 600172590 601120240 607626852 625655760 628416006 638690255 659013040 691963692 700201355 714855120 729931720 733152007 759533565 766428306 800230120 810169136 837888008 840241626 864954615 868038360 875918064 901680360 922618256 960276144 980281897 988519560 1012711420 1021904408 1047360010 1094897580 1120322168 1153272820 1200345180 1215253704 1256832012 1277380510 1383927384 1400402710 1459863440 1466304014 1519067130 1532856612 1571040015 1600460240 1675776016 1680483252 1729909230 1736076720 1780512017 1803360720 1916070765 1960563794 1977039120 2025422840 2043808816 2094720020 2100604065 2189795160 2199456021 2240644336 2306545640 2400690360 2430507408 2513664024 2554761020 2767854768 2800805420 2932608028 2940845691 3038134260 3065713224 3142080030 3360966504 3459818460 3561024034 3665760035 3832141530 3921127588 4050845680 4189440040 4201208130 4379590320 4398912042 4613091280 4801380720 4901409485 5027328048 5109522040 5132064049 5341536051 5601610840 5865216056 5881691382 6076268520 6131426448 6284160060 6721933008 6919636920 7122048068 7331520070 7664283060 7842255176 8378880080 8402416260 8797824084 8902560085 9802818970 10219044080 10264128098 10683072102 10997280105 11203221680 11730432112 11763382764 12152537040 12463584119 12568320120 13839273840 14244096136 14663040140 14704228455 15328566120 15396192147 15684510352 16804832520 17595648168 17805120170 19605637940 20528256196 21366144204 21994560210 23526765528 24927168238 25136640240 25660320245 26707680255 28488192272 29326080280 29408456910 30657132240 30792384294 33609665040 35191296336 35610240340 37390752357 39211275880 41056512392 42732288408 43989120420 47053531056 49854336476 51320640490 53415360510 58652160560 58816913820 61584768588 62317920595 71220480680 74781504714 76980960735 78422551760 82113024784 85464576816 87245088833 87978240840 99708672952 102641280980 106830721020 117633827640 123169537176 124635841190 142440961360 149563009428 153961921470 174490177666 175956481680 186953761785 199417345904 205282561960 213661442040 235267655280 246339074352 249271682380 261735266499 299126018856 307923842940 348980355332 373907523570 410565123920 427322884080 436225444165 498543364760 523470532998 598252037712 615847685880 697960710664 747815047140 872450888330 997086729520 1046941065996 1231695371760 1308676332495 1395921421328 1495630094280 1744901776660 2093882131992 2617352664990 2991260188560 3489803553320 4187764263984 5234705329980 6979607106640 10469410659960 20938821319920
• Sum of all divisors σ(n): 81013271247360
• Sum of proper divisors (its aliquot sum) s(n): 60074449927440
• 20938821319920 is an abundant number, because the sum of its proper divisors (60074449927440) is greater than itself. Its abundance is 39135628607520

Bases of 20938821319920

• Binary: 100110000101100110011000000011011110011110000₂
• Hexadecimal: 0x130B3301BCF0
• Base-36: 7F75TL81C

Squares and roots of 20938821319920

• 20938821319920 squared (20938821319920²) is 438434238267536330988806400
• 20938821319920 cubed (20938821319920³) is 9180296175619174852121593223193343488000
• The square root of 20938821319920 is 4575895.6849910817
• The cube root of 20938821319920 is 27562.4240633231

Scales and comparisons

• 20,938,821,319,920 seconds is equal to 665,789 years, 38 weeks, 6 days, 23 hours, 32 minutes.
• To count from 1 to 20,938,821,319,920 would take you about one million, six hundred sixty-four thousand, four hundred seventy-four 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 20938821319920 cubic inches would be around 2296.9 feet tall.

Recreational maths with 20938821319920

• 20938821319920 backwards is 02991312883902
• The number of decimal digits it has is: 14
• The sum of 20938821319920's digits is 57
• More coming soon!