20428418561460

Names of 20428418561460

• Cardinal: 20428418561460 can be written as Twenty trillion, four hundred twenty-eight billion, four hundred eighteen million, five hundred sixty-one thousand, four hundred sixty.

Scientific notation

• Scientific notation: 2.042841856146 × 10¹³

Factors of 20428418561460

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2856

Divisors of 20428418561460

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 37 39 42 52 60 65 70 74 78 84 91 105 111 130 140 148 156 169 182 185 195 210 222 259 260 273 338 364 370 390 420 444 455 481 507 518 546 555 676 740 777 780 845 910 962 1014 1036 1092 1110 1183 1295 1365 1443 1554 1690 1820 1924 2028 2220 2366 2405 2535 2590 2730 2789 2886 3108 3367 3380 3549 3885 4732 4810 5070 5180 5460 5578 5772 5915 6253 6734 7098 7215 7770 8367 9620 10101 10140 11156 11830 12506 13468 13945 14196 14430 15540 16734 16835 17745 18759 19523 20202 23660 25012 27890 28860 31265 33468 33670 35490 36257 37518 39046 40404 41835 43771 50505 55780 58569 62530 67340 70980 72514 75036 78092 83670 87542 93795 97615 101010 103193 108771 117138 125060 131313 145028 167340 175084 181285 187590 195230 202020 206386 217542 218855 234276 253799 262626 292845 309579 362570 375180 390460 412772 435084 437710 471341 507598 515965 525252 543855 585690 619158 656565 722351 725140 761397 875420 942682 1015196 1031930 1087710 1171380 1238316 1268995 1313130 1341509 1414023 1444702 1522794 1547895 1885364 2063860 2167053 2175420 2356705 2537990 2626260 2683018 2828046 2889404 3045588 3095790 3299387 3611755 3806985 4024527 4334106 4713410 5075980 5366036 5656092 6191580 6598774 6707545 7070115 7223510 7613970 7778521 8049054 8668212 9390563 9426820 9898161 10835265 13197548 13415090 14140230 14447020 15227940 15557042 16098108 16496935 17439617 18781126 19796322 20122635 21670530 23335563 26830180 28171689 28280460 31114084 32993870 34879234 37562252 38892605 39592644 40245270 43341060 46671126 46952815 49490805 52318851 54449647 56343378 65987740 69758468 77785210 80490540 87198085 93342252 93905630 98981610 101120773 104637702 108899294 112686756 116677815 122077319 140858445 155570420 163348941 174396170 187811260 197963220 202241546 209275404 217798588 233355630 244154638 261594255 272248235 281716890 287805277 303362319 326697882 348792340 366231957 404483092 466711260 488309276 505603865 523188510 544496470 563433780 575610554 606724638 610386595 653395764 707845411 732463914 816744705 863415831 1011207730 1046377020 1088992940 1151221108 1213449276 1220773190 1314570049 1415690822 1439026385 1464927828 1516811595 1633489410 1726831662 1831159785 2014636939 2022415460 2123536233 2441546380 2629140098 2831381644 2878052770 3033623190 3266978820 3453663324 3539227055 3662319570 3741468601 3943710147 4029273878 4247072466 4317079155 5258280196 5756105540 6043910817 6067246380 6572850245 7078454110 7324639140 7482937202 7887420294 8058547756 8494144932 8634158310 9201990343 10073184695 10617681165 11224405803 12087821634 13145700490 14156908220 14965874404 15774840588 17268316620 18403980686 18707343005 19718550735 20146369390 21235362330 22448811606 24175643268 26190280207 26291400980 27605971029 30219554085 36807961372 37414686010 39437101470 40292738780 42470724660 44897623212 46009951715 48639091813 52380560414 55211942058 56122029015 60439108170 74829372020 78570840621 78874202940 92019903430 97278183626 104761120828 110423884116 112244058030 120878216340 130951401035 138029855145 145917275439 157141681242 184039806860 194556367252 224488116060 243195459065 261902802070 276059710290 291834550878 314283362484 340473642691 392854203105 486390918130 523805604140 552119420580 583669101756 680947285382 729586377195 785708406210 972781836260 1021420928073 1361894570764 1459172754390 1571416812420 1702368213455 2042841856146 2918345508780 3404736426910 4085683712292 5107104640365 6809472853820 10214209280730 20428418561460
• Sum of all divisors σ(n): 72725502116736
• Sum of proper divisors (its aliquot sum) s(n): 52297083555276
• 20428418561460 is an abundant number, because the sum of its proper divisors (52297083555276) is greater than itself. Its abundance is 31868664993816

Bases of 20428418561460

• Binary: 100101001010001011100101000011011010110110100₂
• Hexadecimal: 0x12945CA1B5B4
• Base-36: 78OOOYR3O

Squares and roots of 20428418561460

• 20428418561460 squared (20428418561460²) is 417320284922203455797331600
• 20428418561460 cubed (20428418561460³) is 8525193454578516848492765501378600136000
• The square root of 20428418561460 is 4519780.8090061181
• The cube root of 20428418561460 is 27336.6262996673

Scales and comparisons

• 20,428,418,561,460 seconds is equal to 649,560 years, 27 weeks, 15 hours, 31 minutes.
• To count from 1 to 20,428,418,561,460 would take you about one million, six hundred twenty-three thousand, nine hundred 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 20428418561460 cubic inches would be around 2278.1 feet tall.

Recreational maths with 20428418561460

• 20428418561460 backwards is 06416581482402
• The number of decimal digits it has is: 14
• The sum of 20428418561460's digits is 51
• More coming soon!