12645642240

Names of 12645642240

• Cardinal: 12645642240 can be written as Twelve billion, six hundred forty-five million, six hundred forty-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.264564224 × 10¹⁰

Factors of 12645642240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 28

Divisors of 12645642240

• Number of divisors d(n): 1092
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 32 33 35 36 40 42 44 45 48 54 55 56 60 63 64 66 70 72 77 80 81 84 88 90 96 99 105 108 110 112 120 121 126 128 132 135 140 144 154 160 162 165 168 176 180 189 192 198 210 216 220 224 231 240 242 243 252 256 264 270 280 288 297 308 315 320 324 330 336 352 360 363 378 384 385 396 405 420 432 440 448 462 480 484 486 495 504 512 528 540 560 567 576 594 605 616 630 640 648 660 672 693 704 720 726 729 756 768 770 792 810 840 847 864 880 891 896 924 945 960 968 972 990 1008 1024 1056 1080 1089 1120 1134 1152 1155 1188 1210 1215 1232 1260 1280 1296 1320 1344 1386 1408 1440 1452 1458 1485 1512 1536 1540 1584 1620 1680 1694 1701 1728 1760 1782 1792 1815 1848 1890 1920 1936 1944 1980 2016 2048 2079 2112 2160 2178 2240 2268 2304 2310 2376 2420 2430 2464 2520 2541 2560 2592 2640 2673 2688 2772 2816 2835 2880 2904 2916 2970 3024 3072 3080 3168 3240 3267 3360 3388 3402 3456 3465 3520 3564 3584 3630 3645 3696 3780 3840 3872 3888 3960 4032 4096 4158 4224 4235 4320 4356 4455 4480 4536 4608 4620 4752 4840 4860 4928 5040 5082 5103 5120 5184 5280 5346 5376 5445 5544 5632 5670 5760 5808 5832 5940 6048 6144 6160 6237 6336 6480 6534 6720 6776 6804 6912 6930 7040 7128 7168 7260 7290 7392 7560 7623 7680 7744 7776 7920 8019 8064 8316 8448 8470 8505 8640 8712 8910 8960 9072 9216 9240 9504 9680 9720 9801 9856 10080 10164 10206 10240 10368 10395 10560 10692 10752 10890 11088 11264 11340 11520 11616 11664 11880 12096 12288 12320 12474 12672 12705 12960 13068 13365 13440 13552 13608 13824 13860 14080 14256 14336 14520 14580 14784 15120 15246 15360 15488 15552 15840 16038 16128 16335 16632 16896 16940 17010 17280 17424 17820 17920 18144 18432 18480 18711 19008 19360 19440 19602 19712 20160 20328 20412 20480 20736 20790 21120 21384 21504 21780 22176 22528 22680 22869 23040 23232 23328 23760 24192 24640 24948 25344 25410 25515 25920 26136 26730 26880 27104 27216 27648 27720 28160 28512 28672 29040 29160 29403 29568 30240 30492 30720 30976 31104 31185 31680 32076 32256 32670 33264 33792 33880 34020 34560 34848 35640 35840 36288 36864 36960 37422 38016 38115 38720 38880 39204 39424 40095 40320 40656 40824 41472 41580 42240 42768 43008 43560 44352 45056 45360 45738 46080 46464 46656 47520 48384 49005 49280 49896 50688 50820 51030 51840 52272 53460 53760 54208 54432 55296 55440 56133 56320 57024 58080 58320 58806 59136 60480 60984 61440 61952 62208 62370 63360 64152 64512 65340 66528 67584 67760 68040 68607 69120 69696 71280 71680 72576 73920 74844 76032 76230 77440 77760 78408 78848 80190 80640 81312 81648 82944 83160 84480 85536 86016 87120 88209 88704 90720 91476 92160 92928 93312 93555 95040 96768 98010 98560 99792 101376 101640 102060 103680 104544 106920 107520 108416 108864 110592 110880 112266 112640 114048 114345 116160 116640 117612 118272 120960 121968 123904 124416 124740 126720 128304 129024 130680 133056 135168 135520 136080 137214 138240 139392 142560 143360 145152 147015 147840 149688 152064 152460 154880 155520 156816 157696 160380 161280 162624 163296 165888 166320 168960 171072 174240 176418 177408 181440 182952 184320 185856 186624 187110 190080 193536 196020 197120 199584 202752 203280 204120 205821 207360 209088 213840 215040 216832 217728 221760 224532 225280 228096 228690 232320 233280 235224 236544 241920 243936 247808 248832 249480 253440 256608 258048 261360 266112 271040 272160 274428 276480 278784 280665 285120 290304 294030 295680 299376 304128 304920 309760 311040 313632 315392 320760 322560 325248 326592 331776 332640 337920 342144 343035 348480 352836 354816 362880 365904 371712 373248 374220 380160 387072 392040 394240 399168 405504 406560 408240 411642 414720 418176 427680 430080 433664 435456 441045 443520 449064 456192 457380 464640 466560 470448 473088 483840 487872 495616 497664 498960 506880 513216 522720 532224 542080 544320 548856 552960 557568 561330 570240 580608 588060 591360 598752 608256 609840 617463 619520 622080 627264 641520 645120 650496 653184 665280 675840 684288 686070 696960 705672 709632 725760 731808 743424 746496 748440 760320 774144 784080 788480 798336 813120 816480 823284 829440 836352 855360 867328 870912 882090 887040 898128 912384 914760 929280 933120 940896 946176 967680 975744 995328 997920 1013760 1026432 1029105 1045440 1064448 1084160 1088640 1097712 1115136 1122660 1140480 1161216 1176120 1182720 1197504 1216512 1219680 1234926 1239040 1244160 1254528 1283040 1290240 1300992 1306368 1330560 1368576 1372140 1393920 1411344 1419264 1451520 1463616 1486848 1492992 1496880 1520640 1568160 1576960 1596672 1626240 1632960 1646568 1658880 1672704 1710720 1734656 1741824 1764180 1774080 1796256 1824768 1829520 1858560 1866240 1881792 1935360 1951488 1995840 2027520 2052864 2058210 2090880 2128896 2168320 2177280 2195424 2230272 2245320 2280960 2322432 2352240 2365440 2395008 2439360 2469852 2478080 2488320 2509056 2566080 2601984 2612736 2661120 2737152 2744280 2787840 2822688 2838528 2903040 2927232 2985984 2993760 3041280 3087315 3136320 3193344 3252480 3265920 3293136 3345408 3421440 3469312 3483648 3528360 3548160 3592512 3649536 3659040 3717120 3732480 3763584 3870720 3902976 3991680 4105728 4116420 4181760 4257792 4336640 4354560 4390848 4460544 4490640 4561920 4704480 4730880 4790016 4878720 4939704 4976640 5018112 5132160 5203968 5225472 5322240 5474304 5488560 5575680 5645376 5806080 5854464 5987520 6082560 6174630 6272640 6386688 6504960 6531840 6586272 6690816 6842880 6967296 7056720 7096320 7185024 7318080 7434240 7464960 7527168 7805952 7983360 8211456 8232840 8363520 8515584 8673280 8709120 8781696 8981280 9123840 9408960 9580032 9757440 9879408 10036224 10264320 10407936 10450944 10644480 10948608 10977120 11151360 11290752 11612160 11708928 11975040 12349260 12545280 12773376 13009920 13063680 13172544 13381632 13685760 14113440 14192640 14370048 14636160 14929920 15054336 15611904 15966720 16422912 16465680 16727040 17346560 17418240 17563392 17962560 18247680 18817920 19160064 19514880 19758816 20072448 20528640 20901888 21288960 21954240 22302720 22581504 23417856 23950080 24698520 25090560 25546752 26019840 26127360 26345088 27371520 28226880 28740096 29272320 30108672 31223808 31933440 32845824 32931360 33454080 34836480 35126784 35925120 37635840 38320128 39029760 39517632 40144896 41057280 42577920 43908480 45163008 46835712 47900160 49397040 50181120 52039680 52254720 52690176 54743040 56453760 57480192 58544640 60217344 63866880 65862720 66908160 70253568 71850240 75271680 76640256 78059520 79035264 82114560 87816960 90326016 93671424 95800320 98794080 100362240 104509440 105380352 112907520 114960384 117089280 120434688 127733760 131725440 140507136 143700480 150543360 156119040 158070528 164229120 175633920 180652032 191600640 197588160 200724480 210760704 225815040 229920768 234178560 263450880 281014272 287400960 301086720 316141056 351267840 361304064 383201280 395176320 421521408 451630080 468357120 526901760 574801920 602173440 632282112 702535680 790352640 843042816 903260160 1053803520 1149603840 1264564224 1405071360 1580705280 1806520320 2107607040 2529128448 3161410560 4215214080 6322821120 12645642240
• Sum of all divisors σ(n): 57154438992
• Sum of proper divisors (its aliquot sum) s(n): 44508796752
• 12645642240 is an abundant number, because the sum of its proper divisors (44508796752) is greater than itself. Its abundance is 31863154512

Bases of 12645642240

• Binary: 1011110001101111010011000000000000₂
• Hexadecimal: 0x2F1BD3000
• Base-36: 5T4W000

Squares and roots of 12645642240

• 12645642240 squared (12645642240²) is 159912267662072217600
• 12645642240 cubed (12645642240³) is 2022193326641686480813031424000
• The square root of 12645642240 is 112452.8445171575
• The cube root of 12645642240 is 2329.7731204115

Scales and comparisons

• 12,645,642,240 seconds is equal to 402 years, 4 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 12,645,642,240 would take you about eight hundred 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 12645642240 cubic inches would be around 194.1 feet tall.

Recreational maths with 12645642240

• 12645642240 backwards is 04224654621
• 12645642240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12645642240's digits is 36
• More coming soon!