20878433625840

Names of 20878433625840

• Cardinal: 20878433625840 can be written as Twenty trillion, eight hundred seventy-eight billion, four hundred thirty-three million, six hundred twenty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.087843362584 × 10¹³

Factors of 20878433625840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 11714

Divisors of 20878433625840

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 49 56 60 70 73 80 84 98 105 112 120 140 146 147 168 196 210 219 240 245 280 292 294 307 336 343 365 392 420 438 490 511 560 584 588 614 686 730 735 784 840 876 921 980 1022 1029 1095 1168 1176 1228 1372 1460 1470 1533 1535 1680 1715 1752 1842 1960 2044 2058 2149 2190 2352 2456 2555 2744 2920 2940 3066 3070 3430 3504 3577 3684 3920 4088 4116 4298 4380 4605 4912 5110 5145 5488 5840 5880 6132 6140 6447 6860 7154 7368 7665 8176 8232 8596 8760 9210 10220 10290 10731 10745 11317 11760 12264 12280 12894 13720 14308 14736 15043 15330 16464 17192 17520 17885 18420 20440 20580 21462 21490 22411 22634 24528 24560 25039 25788 27440 28616 30086 30660 32235 33951 34384 35770 36840 40880 41160 42924 42980 44822 45129 45268 50078 51576 53655 56585 57232 60172 61320 64470 67233 67902 71540 73680 75117 75215 79219 82320 85848 85960 89644 90258 90536 100156 103152 105301 107310 112055 113170 120344 122640 125195 128940 134466 135804 143080 150234 150430 156877 158438 169755 171696 171920 179288 180516 181072 200312 210602 214620 224110 225645 226340 237657 240688 250390 257880 268932 271608 286160 300468 300860 313754 315903 316876 336165 339510 358576 361032 375585 396095 400624 421204 429240 448220 451290 452680 470631 475314 500780 515760 526505 537864 543216 554533 600936 601720 627508 631806 633752 672330 679020 722064 751170 784385 792190 826141 842408 858480 896440 902580 905360 941262 950628 1001560 1053010 1075728 1098139 1109066 1188285 1201872 1203440 1255016 1263612 1267504 1344660 1358040 1502340 1568770 1579515 1584380 1652282 1663599 1684816 1792880 1805160 1882524 1901256 2003120 2106020 2196278 2218132 2353155 2376570 2478423 2510032 2527224 2689320 2716080 2772665 3004680 3137540 3159030 3168760 3294417 3304564 3327198 3474319 3610320 3765048 3802512 3881731 4130705 4212040 4392556 4436264 4706310 4753140 4956846 5054448 5378640 5490695 5545330 5782987 6009360 6275080 6318060 6337520 6588834 6609128 6654396 6948638 7530096 7686973 7763462 8261410 8317995 8424080 8785112 8872528 9412620 9506280 9913692 10422957 10981390 11090660 11565974 11645193 12392115 12550160 12636120 13177668 13218256 13308792 13897276 15373946 15526924 16472085 16522820 16635990 17348961 17371595 17570224 18825240 19012560 19408655 19827384 20845914 21962780 22181320 23060919 23131948 23290386 24320233 24784230 25272240 26355336 26617584 27794552 28914935 30747892 31053848 32944170 33045640 33271980 34697922 34743190 37650480 38434865 38817310 39654768 40480909 41691828 43925560 44362640 46121838 46263896 46580772 48640466 49568460 52114785 52710672 55589104 57829870 58225965 61495784 62107696 65888340 66091280 66543960 69395844 69486380 72960699 76869730 77634620 80961818 83383656 86744805 87851120 92243676 92527792 93161544 97280932 99136920 104229570 115304595 115659740 116451930 121442727 121601165 122991568 131776680 133087920 138791688 138972760 145921398 153739460 155269240 161923636 166767312 170241631 173489610 184487352 186323088 194561864 198273840 202404545 208459140 230609190 231319480 232903860 242885454 243202330 253625287 263553360 277583376 277945520 283366363 291842796 307478920 310538480 323847272 340483262 346979220 364803495 368974704 389123728 404809090 416918280 461218380 462638960 465807720 485770908 486404660 507250574 510724893 566732726 583685592 607213635 614957840 647694544 680966524 693958440 729606990 760875861 809618180 833836560 850099089 851208155 922436760 931615440 971541816 972809320 1014501148 1021449786 1133465452 1167371184 1191691417 1214427270 1268126435 1361933048 1387916880 1416831815 1459213980 1521751722 1619236360 1700198178 1702416310 1775377009 1844873520 1943083632 1945618640 2029002296 2042899572 2266930904 2383382834 2428854540 2536252870 2553624465 2723866096 2833663630 2918427960 3043503444 3238472720 3400396356 3404832620 3550754018 3575074251 3804379305 4058004592 4085799144 4250495445 4533861808 4766765668 4857709080 5072505740 5107248930 5326131027 5667327260 5836855920 5958457085 6087006888 6800792712 6809665240 7101508036 7150148502 7608758610 8171598288 8500990890 8876885045 9533531336 9715418160 10145011480 10214497860 10652262054 11334654520 11916914170 12174013776 12427639063 13601585424 13619330480 14203016072 14300297004 15217517220 17001981780 17753770090 17875371255 19067062672 20290022960 20428995720 21304524108 22669309040 23833828340 24855278126 26630655135 28406032144 28600594008 30435034440 34003963560 35507540180 35750742510 37282917189 40857991440 42609048216 47667656680 49710556252 53261310270 57201188016 60870068880 62138195315 68007927120 71015080360 71501485020 74565834378 85218096432 86993473441 95335313360 99421112504 106522620540 124276390630 142030160720 143002970040 149131668756 173986946882 186414585945 198842225008 213045241080 248552781260 260980420323 286005940080 298263337512 347973893764 372829171890 426090482160 434967367205 497105562520 521960840646 596526675024 695947787528 745658343780 869934734410 994211125040 1043921681292 1304902101615 1391895575056 1491316687560 1739869468820 2087843362584 2609804203230 2982633375120 3479738937640 4175686725168 5219608406460 6959477875280 10439216812920 20878433625840
• Sum of all divisors σ(n): 76768853145600
• Sum of proper divisors (its aliquot sum) s(n): 55890419519760
• 20878433625840 is an abundant number, because the sum of its proper divisors (55890419519760) is greater than itself. Its abundance is 35011985893920

Bases of 20878433625840

• Binary: 100101111110100100011100111101010011011110000₂
• Hexadecimal: 0x12FD239EA6F0
• Base-36: 7EFF4BD2O

Squares and roots of 20878433625840

• 20878433625840 squared (20878433625840²) is 435908990668606409115705600
• 20878433625840 cubed (20878433625840³) is 9101096928581406836133483698297992704000
• The square root of 20878433625840 is 4569292.4644675569
• The cube root of 20878433625840 is 27535.9018146513

Scales and comparisons

• 20,878,433,625,840 seconds is equal to 663,869 years, 31 weeks, 4 days, 8 hours, 4 minutes.
• To count from 1 to 20,878,433,625,840 would take you about one million, six hundred fifty-nine thousand, six 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 20878433625840 cubic inches would be around 2294.7 feet tall.

Recreational maths with 20878433625840

• 20878433625840 backwards is 04852633487802
• 20878433625840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20878433625840's digits is 60
• More coming soon!