128235005921820

Names of 128235005921820

• Cardinal: 128235005921820 can be written as One hundred twenty-eight trillion, two hundred thirty-five billion, five million, nine hundred twenty-one thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.2823500592182 × 10¹⁴

Factors of 128235005921820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 71

Divisors of 128235005921820

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 37 42 49 51 60 68 70 74 84 85 98 102 105 111 119 140 147 148 170 185 196 204 210 222 238 245 255 259 294 340 357 370 420 444 476 490 510 518 555 588 595 629 714 735 740 777 833 980 1020 1036 1110 1190 1258 1295 1369 1428 1470 1554 1666 1785 1813 1887 2220 2380 2499 2516 2590 2738 2940 3108 3145 3332 3570 3626 3774 3885 4107 4165 4403 4998 5180 5439 5476 6290 6845 7140 7252 7548 7770 8214 8330 8806 9065 9435 9583 9996 10878 12495 12580 13209 13690 15540 16428 16660 17612 18130 18870 19166 20535 21756 22015 23273 24990 26418 27195 27380 28749 30821 36260 37740 38332 41070 44030 46546 47915 49980 50653 52836 54390 57498 61642 66045 67081 69819 82140 88060 92463 93092 95830 101306 108780 114996 116365 123284 132090 134162 139638 143745 151959 154105 162911 184926 191660 201243 202612 232730 253265 264180 268324 279276 287490 303918 308210 325822 335405 349095 354571 369852 402486 462315 465460 488733 506530 574980 607836 616420 651644 670810 698190 709142 759795 804972 814555 861101 924630 977466 1006215 1013060 1063713 1140377 1341620 1396380 1418284 1519590 1629110 1722202 1772855 1849260 1874161 1954932 2012430 2127426 2280754 2443665 2481997 2583303 3039180 3258220 3421131 3444404 3545710 3748322 4024860 4254852 4305505 4561508 4887330 4963994 5166606 5318565 5622483 5701885 6027707 6842262 7091420 7445991 7496644 8611010 9370805 9774660 9927988 10333212 10637130 11244966 11403770 12055414 12409985 12916515 13119127 13684524 14891982 17105655 17222020 18083121 18741610 21274260 22489932 22807540 24110828 24819970 25833030 26238254 28112415 29783964 30138535 31860737 34211310 36166242 37229955 37483220 39357381 42193949 49639940 51666060 52476508 56224830 60277070 63721474 65595635 68422620 69343957 72332484 74459910 78714762 84387898 90415605 91833889 95582211 112449660 120554140 126581847 127442948 131191270 138687914 148919820 157429524 159303685 168775796 180831210 183667778 191164422 196786905 208031871 210969745 223025159 253163694 262382540 275501667 277375828 318607370 346719785 361662420 367335556 382328844 393573810 416063742 421939490 446050318 459169445 477911055 485407699 506327388 551003334 632909235 637214740 669075477 693439570 787147620 832127484 843878980 892100636 918338890 955822110 970815398 1040159355 1102006668 1115125795 1178847269 1265818470 1338150954 1377508335 1386879140 1456223097 1561176113 1836677780 1911644220 1941630796 2080318710 2230251590 2357694538 2427038495 2531636940 2565726409 2676301908 2755016670 2912446194 3122352226 3345377385 3397853893 3536541807 4160637420 4460503180 4683528339 4715389076 4854076990 5131452818 5510033340 5824892388 5894236345 6244704452 6690754770 6795707786 7073083614 7281115485 7697179227 7805880565 8251930883 9367056678 9708153980 10193561679 10262905636 11788472690 12828632045 13381509540 13591415572 14146167228 14562230970 15394358454 15611761130 16503861766 16989269465 17682709035 17960084863 18734113356 20387123358 23417641695 23576945380 24755792649 25657264090 29124461940 30788716908 31223522260 33007723532 33978538930 35365418070 35920169726 38485896135 40774246716 41259654415 43617348953 46835283390 49511585298 50967808395 51314528180 53880254589 57763516181 67957077860 70730836140 71840339452 76971792270 82519308830 87234697906 89800424315 93670566780 99023170596 101935616790 107760509178 115527032362 123778963245 125720594041 130852046859 153943584540 165038617660 173290548543 174469395812 179600848630 203871233580 215521018356 218086744765 231054064724 247557926490 251441188082 261704093718 269401272945 288817580905 305321442671 346581097086 359201697260 377161782123 436173489530 495115852980 502882376164 523408187436 538802545890 577635161810 610642885342 628602970205 654260234295 693162194172 754323564246 866452742715 872346979060 915964328013 1077605091780 1155270323620 1221285770684 1257205940410 1308520468590 1508647128492 1526607213355 1732905485430 1831928656026 1885808910615 2137250098697 2514411880820 2617040937180 3053214426710 3465810970860 3663857312052 3771617821230 4274500197394 4579821640065 6106428853420 6411750296091 7543235642460 8549000394788 9159643280130 10686250493485 12823500592182 18319286560260 21372500986970 25647001184364 32058751480455 42745001973940 64117502960910 128235005921820
• Sum of all divisors σ(n): 454533827708016
• Sum of proper divisors (its aliquot sum) s(n): 326298821786196
• 128235005921820 is an abundant number, because the sum of its proper divisors (326298821786196) is greater than itself. Its abundance is 198063815864376

Bases of 128235005921820

• Binary: 11101001010000100001001111110011100101000011100₂
• Hexadecimal: 0x74A109F9CA1C
• Base-36: 19GECJLGKC

Squares and roots of 128235005921820

• 128235005921820 squared (128235005921820²) is 16444216743769210467952112400
• 128235005921820 cubed (128235005921820³) is 2108724231516936301945225066942178252568000
• The square root of 128235005921820 is 11324089.6288319795
• The cube root of 128235005921820 is 50427.6657340807
• Being both a perfect square and a perfect cube, 128235005921820 is also a perfect sixth number.

Scales and comparisons

• 128,235,005,921,820 seconds is equal to 4,077,476 years, 27 weeks, 4 days, 10 hours, 17 minutes.
• To count from 1 to 128,235,005,921,820 would take you about ten million, one hundred ninety-three thousand, six 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 128235005921820 cubic inches would be around 4202.3 feet tall.

Recreational maths with 128235005921820

• 128235005921820 backwards is 028129500532821
• The number of decimal digits it has is: 15
• The sum of 128235005921820's digits is 48
• More coming soon!