28688427138384

Names of 28688427138384

• Cardinal: 28688427138384 can be written as Twenty-eight trillion, six hundred eighty-eight billion, four hundred twenty-seven million, one hundred thirty-eight thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.8688427138384 × 10¹³

Factors of 28688427138384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 72

Divisors of 28688427138384

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 34 36 37 39 48 51 52 68 72 74 78 102 104 111 117 136 144 148 153 156 169 204 208 221 222 234 272 296 306 312 333 338 408 442 444 468 481 507 592 612 624 629 663 666 676 816 884 888 936 962 1014 1224 1258 1326 1332 1352 1369 1443 1521 1768 1776 1872 1887 1924 1989 2028 2448 2516 2652 2664 2704 2738 2873 2886 3042 3536 3774 3848 3978 4056 4107 4329 5032 5304 5328 5476 5661 5746 5772 6084 6253 7548 7696 7956 8112 8177 8214 8619 8658 10064 10608 10952 11322 11492 11544 12168 12321 12506 15096 15912 16354 16428 17238 17316 17797 18759 21904 22644 22984 23088 23273 24336 24531 24642 25012 25857 30192 31824 32708 32856 34476 34632 35594 37518 45288 45968 46546 49062 49284 50024 50653 51714 53391 56277 65416 65712 68952 69264 69819 71188 73593 75036 90576 93092 98124 98568 100048 101306 103428 106301 106782 112554 130832 137904 139638 142376 147186 150072 151959 160173 186184 196248 197136 202612 206856 209457 212602 213564 225108 231361 279276 284752 294372 300144 302549 303918 318903 320346 372368 392496 405224 413712 418914 425204 427128 450216 455877 462722 558552 588744 605098 607836 637806 640692 658489 694083 810448 837828 850408 854256 861101 900432 907647 911754 925444 956709 1117104 1177488 1210196 1215672 1275612 1281384 1316978 1388166 1675656 1700816 1722202 1815294 1823508 1850888 1874161 1913418 1975467 2082249 2420392 2431344 2551224 2562768 2583303 2633956 2722941 2776332 3351312 3444404 3630588 3647016 3701776 3748322 3826836 3933137 3950934 4164498 4840784 5102448 5166606 5267912 5445882 5552664 5622483 5926401 6888808 7261176 7294032 7496644 7653672 7749909 7866274 7901868 8328996 8560357 10333212 10535824 10891764 11105328 11194313 11244966 11799411 11852802 13777616 14522352 14993288 15307344 15499818 15732548 15803736 16657992 16867449 17120714 20666424 21783528 22388626 22489932 23598822 23705604 24364093 25681071 29986576 30999636 31465096 31607472 31860737 33315984 33582939 33734898 34241428 35398233 41332848 43567056 44777252 44979864 47197644 47411208 48728186 51362142 61999272 62930192 63721474 67165878 67469796 68482856 69343957 70796466 73092279 77043213 89554504 89959728 94395288 94822416 95582211 97456372 100748817 102724284 123998544 127442948 134331756 134939592 136965712 138687914 141592932 145526069 146184558 154086426 179109008 188790576 191164422 194912744 201497634 205448568 208031871 219276837 254885896 268663512 269879184 277375828 283185864 286746633 291052138 292369116 308172852 316733209 382328844 389825488 402995268 410897136 414189581 416063742 436578207 438553674 509771792 537327024 554751656 566371728 573493266 582104276 584738232 616345704 624095613 633466418 764657688 805990536 828379162 832127484 873156414 877107348 901471441 950199627 1109503312 1146986532 1164208552 1169476464 1178847269 1232691408 1242568743 1248191226 1266932836 1309734621 1529315376 1611981072 1656758324 1664254968 1746312828 1754214696 1802942882 1900399254 2293973064 2328417104 2357694538 2485137486 2496382452 2533865672 2619469242 2704414323 2850598881 3313516648 3328509936 3492625656 3508429392 3536541807 3605885764 3727706229 3800798508 4587946128 4715389076 4970274972 4992764904 5067731344 5238938484 5384464553 5408828646 5701197762 6627033296 6985251312 7073083614 7211771528 7455412458 7601597016 8113242969 9430778152 9940549944 9985529808 10477876968 10609625421 10768929106 10817657292 11402395524 11719128733 14146167228 14423543056 14910824916 15203194032 15325014497 16153393659 16226485938 18861556304 19881099888 20955753936 21219250842 21537858212 21635314584 22804791048 23438257466 28292334456 29821649832 30650028994 32306787318 32452971876 35157386199 42438501684 43075716424 43270629168 45609582096 45975043491 46876514932 48460180977 56584668912 59643299664 61300057988 64613574636 64905943752 70314772398 84877003368 86151432848 91950086982 93753029864 96920361954 105472158597 122600115976 129227149272 129811887504 137925130473 140629544796 169754006736 183900173964 187506059728 193840723908 199225188461 210944317194 245200231952 258454298544 275850260946 281259089592 367800347928 387681447816 398450376922 421888634388 551700521892 562518179184 597675565383 735600695856 775362895632 796900753844 843777268776 1103401043784 1195351130766 1593801507688 1687554537552 1793026696149 2206802087568 2390702261532 3187603015376 3586053392298 4781404523064 7172106784596 9562809046128 14344213569192 28688427138384
• Sum of all divisors σ(n): 94609878431796
• Sum of proper divisors (its aliquot sum) s(n): 65921451293412
• 28688427138384 is an abundant number, because the sum of its proper divisors (65921451293412) is greater than itself. Its abundance is 37233024155028

Bases of 28688427138384

• Binary: 110100001011110001011100000100011110101010000₂
• Hexadecimal: 0x1A178B823D50
• Base-36: A63A4SZ80

Squares and roots of 28688427138384

• 28688427138384 squared (28688427138384²) is 823025851674367583086131456
• 28688427138384 cubed (28688427138384³) is 23611317178766531636638600605650927407104
• The square root of 28688427138384 is 5356157.8709354713
• The cube root of 28688427138384 is 30612.7430437569

Scales and comparisons

• 28,688,427,138,384 seconds is equal to 912,203 years, 12 weeks, 4 days, 18 hours, 26 minutes, 24 seconds.
• To count from 1 to 28,688,427,138,384 would take you about two million, two hundred eighty thousand, five hundred eight 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 28688427138384 cubic inches would be around 2551.1 feet tall.

Recreational maths with 28688427138384

• 28688427138384 backwards is 48383172488682
• 28688427138384 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28688427138384's digits is 72
• More coming soon!