20915716650400

Names of 20915716650400

• Cardinal: 20915716650400 can be written as Twenty trillion, nine hundred fifteen billion, seven hundred sixteen million, six hundred fifty thousand, four hundred.

Scientific notation

• Scientific notation: 2.09157166504 × 10¹³

Factors of 20915716650400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 19622

Divisors of 20915716650400

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 23 25 26 32 37 40 44 46 50 52 55 65 74 80 88 92 100 104 110 115 121 130 143 148 160 176 184 185 200 208 220 230 242 253 260 275 286 296 299 325 352 368 370 400 407 416 440 460 481 484 506 520 550 572 575 592 598 605 650 715 736 740 800 814 851 880 920 925 962 968 1012 1040 1100 1144 1150 1184 1196 1210 1265 1300 1430 1480 1495 1573 1628 1702 1760 1840 1850 1924 1936 2024 2035 2080 2200 2288 2300 2392 2405 2420 2530 2600 2783 2860 2960 2990 3025 3146 3256 3289 3404 3575 3680 3700 3848 3872 4048 4070 4255 4400 4477 4576 4600 4784 4810 4840 5060 5200 5291 5566 5720 5920 5980 6050 6292 6325 6512 6578 6808 7150 7400 7475 7696 7865 8096 8140 8510 8800 8954 9200 9361 9568 9620 9680 10120 10175 10400 10582 11063 11132 11440 11960 12025 12100 12584 12650 13024 13156 13616 13915 14300 14800 14950 15392 15730 16280 16445 17020 17908 18400 18722 19240 19360 19531 20240 20350 21164 21275 22126 22264 22385 22880 23920 24050 24200 25168 25300 26312 26455 27232 27830 28600 29600 29900 31460 32560 32890 34040 35816 36179 37444 38480 39062 39325 40480 40700 42328 42550 44252 44528 44770 46805 47840 48100 48400 50336 50600 52624 52910 55315 55660 57200 58201 59800 62920 65120 65780 68080 69575 71632 72358 74888 76960 78124 78650 81400 82225 84656 85100 88504 89056 89540 93610 96200 96800 97655 101200 102971 105248 105820 110630 111320 111925 114400 116402 119600 121693 125840 131560 132275 136160 139150 143264 144716 149776 156248 157300 162800 164450 169312 170200 177008 179080 180895 187220 192400 195310 202400 205942 211640 214841 221260 222640 223850 232804 234025 239200 243386 251680 253903 263120 264550 276575 278300 289432 291005 299552 312496 314600 325600 328900 340400 354016 358160 361790 374440 384800 390620 411884 423280 429682 442520 445280 447700 449213 465608 468050 486772 488275 507806 514855 526240 529100 553150 556600 578864 582010 608465 624992 629200 657800 680800 716320 722647 723580 748880 781240 823768 846560 859364 885040 895400 898426 904475 931216 936100 973544 976550 1015612 1029710 1058200 1074205 1106300 1113200 1157728 1164020 1216930 1258400 1269515 1315600 1338623 1445294 1447160 1455025 1497760 1562480 1647536 1718728 1770080 1790800 1796852 1808950 1862432 1872200 1947088 1953100 2031224 2059420 2116400 2148410 2212600 2226400 2246065 2328040 2363251 2433860 2539030 2574275 2631200 2677246 2792933 2890588 2894320 2910050 3042325 3124960 3295072 3437456 3581600 3593704 3613235 3617900 3744400 3894176 3906200 4062448 4118840 4232800 4296820 4425200 4492130 4656080 4726502 4867720 4941343 5078060 5148550 5354492 5371025 5585866 5781176 5788640 5820100 5839769 6084650 6347575 6693115 6874912 7187408 7226470 7235800 7488800 7812400 7949117 8124896 8237680 8593640 8850400 8984260 9312160 9394411 9453004 9735440 9882686 10156120 10297100 10708984 10742050 11171732 11230325 11562352 11640200 11679538 11816255 12169300 12695150 13386230 13964665 14374816 14452940 14471600 15624800 15898234 16475360 16620881 17187280 17968520 18066175 18788822 18906008 19470880 19765372 20312240 20594200 21417968 21484100 22343464 22460650 23124704 23280400 23359076 23632510 24338600 24706715 25390300 26772460 27929330 28905880 28943200 29198845 30722263 31796468 33241762 33465575 34374560 35937040 36132350 37577644 37812016 39530744 39745585 40624480 41188400 42835936 42968200 44686928 44921300 46560800 46718152 46972055 47265020 48677200 49413430 50780600 53544920 54354773 55858660 57811760 58397690 59081275 61444526 63592936 64237459 66483524 66931150 69823325 71874080 72264700 75155288 75624032 79061488 79491170 82376800 83104405 85936400 87440287 89373856 89842600 93436304 93944110 94530040 97354400 98826860 101561200 103338521 107089840 108709546 111717320 115623520 116795380 118162550 122889052 123533575 127185872 128474918 132967048 133862300 139646650 144529400 145994225 150310576 153611315 158122976 158982340 166208810 171872800 174880574 179685200 182829691 186872608 187888220 189060080 197653720 198727925 203122400 206677042 214179680 216071453 217419092 223434640 233590760 234860275 236325100 245778104 247067150 254371744 256949836 265934096 267724600 271773865 279293300 289058800 291988450 300621152 307222630 317964680 321187295 332417620 349761148 359370400 365659382 375776440 378120160 395307440 397455850 413354084 415522025 432142906 434838184 437201435 446869280 467181520 469720550 472650200 491556208 494134300 513899672 516692605 531868192 535449200 543547730 558586600 578117600 583976900 614445260 635929360 642374590 664835240 699522296 706612049 731318764 751552880 768056575 790614880 794911700 826708168 831044050 864285812 869676368 874402870 914148455 934363040 939441100 945300400 983112416 988268600 1027799344 1033385210 1070898400 1080357265 1087095460 1117173200 1136723731 1167953800 1228890520 1271858720 1284749180 1329670480 1358869325 1399044592 1413224098 1462637528 1503105760 1536113150 1589823400 1605936475 1653416336 1662088100 1728571624 1739352736 1748805740 1828296910 1878882200 1890600800 1976537200 2011126601 2055598688 2066770420 2160714530 2174190920 2186007175 2234346400 2273447462 2335907600 2376785983 2457781040 2569498360 2583463025 2659340960 2717738650 2798089184 2826448196 2925275056 3072226300 3179646800 3211872950 3306832672 3324176200 3457143248 3497611480 3533060245 3656593820 3757764400 3953074400 4022253202 4133540840 4321429060 4348381840 4372014350 4546894924 4570742275 4671815200 4753571966 4915562080 5138996720 5166926050 5401786325 5435477300 5652896392 5683618655 5850550112 6144452600 6359293600 6423745900 6648352400 6914286496 6995222960 7066120490 7313187640 7515528800 8044506404 8267081680 8642858120 8696763680 8744028700 9093789848 9141484550 9507143932 10055633005 10277993440 10333852100 10803572650 10870954600 11305792784 11367237310 11883929915 12288905200 12847491800 13296704800 13990445920 14132240980 14626375280 16089012808 16534163360 17285716240 17488057400 17665301225 18187579696 18282969100 19014287864 20111266010 20667704200 21607145300 21741909200 22611585568 22734474620 23767859830 24577810400 25694983600 26144645813 28264481960 28418093275 29252750560 32178025616 34571432480 34976114800 35330602450 36375159392 36565938200 38028575728 40222532020 41335408400 43214290600 43483818400 45468949240 47535719660 50278165025 51389967200 52289291626 56528963920 56836186550 59419649575 64356051232 69952229600 70661204900 73131876400 76057151456 80445064040 82670816800 86428581200 90937898480 95071439320 100556330050 104578583252 113057927840 113672373100 118839299150 130723229065 141322409800 146263752800 160890128080 172857162400 181875796960 190142878640 201112660100 209157166504 227344746200 237678598300 261446458130 282644819600 321780256160 380285757280 402225320200 418314333008 454689492400 475357196600 522892916260 565289639200 653616145325 804450640400 836628666016 909378984800 950714393200 1045785832520 1307232290650 1608901280800 1901428786400 2091571665040 2614464581300 4183143330080 5228929162600 10457858325200 20915716650400
• Sum of all divisors σ(n): 64777394231424
• Sum of proper divisors (its aliquot sum) s(n): 43861677581024
• 20915716650400 is an abundant number, because the sum of its proper divisors (43861677581024) is greater than itself. Its abundance is 22945960930624

Bases of 20915716650400

• Binary: 100110000010111010001110111000111010110100000₂
• Hexadecimal: 0x1305D1DC75A0
• Base-36: 7EWJPNYXS

Squares and roots of 20915716650400

• 20915716650400 squared (20915716650400²) is 437467202999819795820160000
• 20915716650400 cubed (20915716650400³) is 9149940061787247731635248835992064000000
• The square root of 20915716650400 is 4573370.3819393417
• The cube root of 20915716650400 is 27552.2825330111

Scales and comparisons

• 20,915,716,650,400 seconds is equal to 665,055 years, 4 weeks, 5 days, 19 hours, 46 minutes, 40 seconds.
• To count from 1 to 20,915,716,650,400 would take you about one million, six hundred sixty-two thousand, six hundred thirty-seven 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 20915716650400 cubic inches would be around 2296 feet tall.

Recreational maths with 20915716650400

• 20915716650400 backwards is 00405661751902
• 20915716650400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20915716650400's digits is 46
• More coming soon!